{"id":129,"date":"2022-08-27T14:50:16","date_gmt":"2022-08-27T14:50:16","guid":{"rendered":"https:\/\/rolextitan.com\/?page_id=129"},"modified":"2022-08-27T14:50:17","modified_gmt":"2022-08-27T14:50:17","slug":"standards-for-threaded-fasteners","status":"publish","type":"page","link":"https:\/\/rolextitan.com\/?page_id=129","title":{"rendered":"Standards For Threaded Fasteners"},"content":{"rendered":"\n<p>India\u00a0&#8211; IS (Indian Standard \u2013 Bureau of Indian Standards)<br>UK\u00a0&#8211; BS (British Standards)<br>USA\u00a0&#8211; ANSI (The American National Standards Institute)<br>Germany\u00a0&#8211; DIN (Deutsches Institut fur Normung) is the German standards group.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Technical supply conditions and strength of fastener \/ materials<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">ISO Standards<\/h4>\n\n\n\n<p>Note:<br>For some standards equivalent \/ identical IS standard number is shown in bracket.<\/p>\n\n\n\n<p><strong>ISO 225:<\/strong>&nbsp;Fasteners \u2014 Bolts, screws, studs and nuts \u2014 Symbols and designations of dimensions (IS 8536).<br><strong>ISO 1891:<\/strong>&nbsp;Bolts, screws, nuts and accessories \u2014 Terminology and nomenclature (IS 8535)<br><strong>ISO 8992:<\/strong>&nbsp;Fasteners \u2014 General requirements for bolts, screws, studs and nuts (IS 1367 part 1)<br><strong>ISO 4759:<\/strong>&nbsp;Tolerances for fasteners \u2014 Part 1: Bolts, screws, studs and nuts \u2014 Product grades A, B and C (IS 1367 part 2)<br><strong>ISO 898:<\/strong>&nbsp;Mechanical properties of fasteners made of carbon steel and alloy steel.<br>Part 1: Bolts, screws and studs (IS 1367 part 3)<br>Part 2: Nuts with specified proof load values \u2014 Coarse thread<br>Part 5: Set screws and similar threaded fasteners not under tensile stresses<br>Part 6: Nuts with specified proof load values \u2014 Fine pitch thread<br>Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm<br><strong>ISO 3506:<\/strong>&nbsp;Mechanical properties of corrosion-resistant stainless steel fasteners (IS 1367 part 14)<br>Part 1: Bolts, screws and studs<br>Part 2: Nuts<br>Part 3: Set screws and similar fasteners not under tensile stress<br><strong>ISO 6157:<\/strong>&nbsp;Fasteners \u2014 Surface discontinuities<br>Part 1: Bolts, screws and studs for general requirements (IS 1367, part 9, sec.1).<br>Part 2: Nuts.<br>Part 3: Bolts, screws and studs for special requirements (IS 1367, part 9, sec.2).<br><strong>ISO 888:<\/strong>&nbsp;Bolts, screws and studs \u2014 Nominal lengths, and thread lengths for general purpose bolts (IS 4206).<br><strong>ISO 4753:<\/strong>&nbsp;Fasteners \u2014 Ends of parts with external ISO metric thread (IS 1368).<br><strong>ISO 4042:<\/strong>&nbsp;Fasteners \u2014 Electroplated coatings (IS 1367 part 11)<br><strong>ISO 3269:<\/strong>&nbsp;Fasteners \u2014 Acceptance inspection (IS 1367, part 17).<br><strong>ISO 8839:<\/strong>&nbsp;Mechanical properties of fasteners \u2014 Bolts, screws, studs and nuts made of non-ferrous metals<br><strong>ISO 885:<\/strong>&nbsp;General purpose bolts and screws \u2014 metric series \u2014 radii under the head (IS 4172)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IS Standards<\/h4>\n\n\n\n<p><strong>IS 8535:<\/strong>&nbsp;Bolts, screws, nuts and accessories \u2013 Terminology and nomenclature<br><strong>IS 8536:<\/strong>&nbsp;Fasteners \u2013 Bolts, screws, studs and nuts \u2013 Symbols and designation of dimensions<br><strong>IS 1367:<\/strong>&nbsp;Technical supply conditions for threaded steel fasteners<br>Part 1: General Requirements for Bolts, Screws and Studs<br>Part 2: Tolerances for Fasteners \u2013 Bolts, Screws, Studs and Nuts \u2013 Product Grades A, B and C<br>Part 3: Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel \u2013 Bolts, Screws and Studs<br>Part 5: Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel \u2013 Set Screws and Similar Threaded Fasteners not Under Tensile Stresses<br>Part 6: Mechanical Properties and Test Methods for Nuts with Specified Proof Loads<br>Part VII: Mechanical properties and test methods for nuts without specified proof loads<br>Part 8: Prevailing Torque Type Steel Hexagon Nuts \u2013 Mechanical and Performance Properties<br>Part 9: Surface discontinuities: Section 1 Bolts, screws and studs for general applications<br>Part 9: Surface discontinuities: Section 2 Bolts, screws and studs for special applications<br>Part 10: Surface Discontinuities \u2013 Nuts<br>Part 11: Electroplated Coatings<br>Part XII: Phosphate Coatings on Threaded Fasteners<br>Part XIII: Hot-dip galvanized coatings on threaded fasteners<br>Part 14: Stainless Steel Threaded Fasteners<br>Part 14: Mechanical Properties of Corrosion-Resistant Stainless-Steel Fasteners \u2013 Section 1: Bolts, Screws and Studs<br>Part 14: Mechanical Properties of Corrosion-resistant Stainless-steel Fasteners \u2013 Section 2: Nuts<br>Part 14: Mechanical Properties of Corrosion-resistant Stainless-steel Fasteners \u2013 Section 3: Set Screws and Similar Fasteners not Under Tensile Stress<br>Part 16: Designation System for Fasteners<br>Part 17: Inspection, Sampling and Acceptance Procedure<br>Part 18: Packaging<br>Part 19: Axial load fatigue testing of bolts, screws and studs<br>Part 20: Torsional Test and Minimum Torques for Bolts and Screws with Nominal Diameters 1 mm to 10 mm<br><strong>IS 13096:<\/strong>&nbsp;Fasteners \u2013 Hexagon Nuts with Specified Proof Load Values \u2013 Fine Pitch Thread \u2013 Mechanical Properties<br><strong>IS 1368:<\/strong>&nbsp;Dimensions for ends of parts with external ISO metric threads<br><strong>IS 4206:<\/strong>&nbsp;Dimensions for nominal lengths and thread lengths for bolts, screws and studs<br><strong>IS 1821:<\/strong>&nbsp;Dimensions for clearance holes for bolts and screws<br><strong>IS 2614:<\/strong>&nbsp;Methods for sampling of fasteners<br><strong>IS 4172:<\/strong>&nbsp;General Purpose Bolts and Screws \u2013 Metric Series \u2013 Radii under the head<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ANSI Standards<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">ASME Specifications:<\/h5>\n\n\n\n<p><strong>SA-193\/SA-193M:<\/strong>&nbsp;Specification for alloy-steel and stainless steel bolting material for high-temperature service.<br><strong>SA-194\/SA-194M:<\/strong>&nbsp;Specification for carbon and alloy steel nuts for bolts for high-pressure or high-temperature service, or both<br><strong>SA-307:<\/strong>&nbsp;Specification for carbon steel bolts and studs, 60000 PSI tensile strength.<br><strong>SA-320\/SA-320M:<\/strong>&nbsp;Specification for alloy steel bolting material for low-temperature service.<br><strong>SA-325:<\/strong>&nbsp;Specification for structural bolts, steel, heat treated, 120 \/ 105 ksi minimum tensile strength.<br><strong>SA-354:<\/strong>&nbsp;Specification for quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners.<br><strong>SA-437\/SA-437M:<\/strong>&nbsp;Specification for alloy-steel turbine-type bolting material specially heat treated for high-temperature service.<br><strong>SA-449:<\/strong>&nbsp;Specification for quenched and tempered steel bolts and studs.<br><strong>SA-453\/SA-453M:<\/strong>&nbsp;Specification for high-temperature bolting materials with expansion coefficients comparable to austenitic steels.<br><strong>SA-540\/SA540M:<\/strong>&nbsp;Specification for alloy-steel bolting materials for special applications.<br><strong>SA-563:<\/strong>&nbsp;Specification for carbon and alloy steel nuts.<br><strong>SA-574:<\/strong>&nbsp;Specification for alloy steel socket-head screws.<br><strong>SA-962\/SA-962M:<\/strong>&nbsp;Specification for common requirements for steel fasteners or fastener materials, or both, intended for use at any temperature from cryogenic to the creep range.<br><strong>SF-568:<\/strong>&nbsp;Specification for carbon and alloy steel externally threaded metric fasteners.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">ASTM Specifications:<\/h5>\n\n\n\n<p><strong>ASTM A 490:<\/strong>&nbsp;Specification for heat-treated, steel structural bolts 150 ksi (1035 MPa) tensile strength.<br><strong>ASTM A 490M:<\/strong>&nbsp;Specification for high-strength steel bolts, classes 10.9 and 10.9.3 for structural steel joints (metric).<br><strong>ASTM F 594:<\/strong>&nbsp;Standard Specification for Stainless Steel Nuts<br><strong>ASTM F 837:<\/strong>&nbsp;Standard specification for stainless steel socket head cap screws<br><strong>ASTM F 835:<\/strong>&nbsp;Standard specification for alloy steel socket button and flat countersunk head cap screws<br><strong>ASTM F 879:<\/strong>&nbsp;Standard specification for stainless steel socket button and flat countersunk head cap screws<br><strong>ASTM F 912:<\/strong>&nbsp;Standard specification for alloy steel socket set screws<br><strong>ASTM F 880:<\/strong>&nbsp;Standard specification for stainless steel socket-set screws<br><strong>ASTM F 880M:<\/strong>&nbsp;Standard specification for stainless steel socket set screws (metric)<br><strong>ASTM F788 \/ F788M:<\/strong>&nbsp;Specification for surface discontinuities in bolts, screws and studs.<br><strong>ASTM F812 \/ F812M:<\/strong>&nbsp;Specification for surface discontinuities in nuts.<br><strong>ASTM F 606:<\/strong>&nbsp;Test methods for determining the mechanical properties of externally and internally threaded fasteners, washers, and rivets.<br><strong>ASTM A 153:<\/strong>&nbsp;Specification for zinc coating (Hot-Dip) on iron and steel hardware.<br><strong>ASTM A 165:<\/strong>&nbsp;Specification for electrodeposited coatings of cadmium on steel.<br><strong>ASTM B 633:<\/strong>&nbsp;Specification for electrodeposited coatings of zinc on iron and steel.<br><strong>ASTM B 695:<\/strong>&nbsp;Specification for coatings of zinc mechanically deposited on iron and steel.<br><strong>ASTM B 696:<\/strong>&nbsp;Specification for coatings of cadmium mechanically deposited on iron and steel.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">SAE Specifications:<\/h5>\n\n\n\n<p><strong>SAE J429:<\/strong>&nbsp;Mechanical and material requirements for externally threaded fasteners.<br><strong>SAE J995:<\/strong>&nbsp;Mechanical and material requirements for steel nuts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Type of Threads<\/h3>\n\n\n\n<p>Thread standards are by their very nature complex documents and unless you are working in a standards room or are a manufacturer of tooling etc. contain large amounts of data irrelevant to maintenance engineers. While ordering fasteners, type of thread and thread tolerances standards must be mentioned in fastener specification. Tolerances are mainly for quality, mass production &amp; interchangeability.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ISO Standards<\/h4>\n\n\n\n<p><strong>ISO 261:<\/strong>&nbsp;ISO general purpose metric screw threads \u2014 general plan (IS 4218, part 2).<br><strong>ISO 262:<\/strong>&nbsp;ISO general purpose metric screw threads \u2014 selected sizes for screws, bolts and nuts.<br><strong>ISO 3508:<\/strong>&nbsp;Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262 (IS 1369, part 1).<br><strong>ISO 965:<\/strong>&nbsp;ISO general-purpose metric screw threads \u00e2\u20ac\u201c Tolerances (IS 14962)<br>Part 1: Principles and basic data.<br>Part 2: Limits of sizes for general purpose external and internal screw threads \u2014 medium quality.<br>Part 3: Deviations for constructional screw threads.<br>Part 4: Limits of sizes for hot-dip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing.<br>Part 5: Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IS Standards<\/h4>\n\n\n\n<p><strong>IS 4218:<\/strong>&nbsp;ISO General Purpose Metric Screw Threads<br>Part 1: Basic and Design Profiles.<br>Part 2: General Plan.<br>Part 3: Basic Dimensions.<br>Part 4: Selected Sizes for Screws, Bolts and Nuts.<br><strong>IS 1369:<\/strong>&nbsp;Fasteners \u2013 Thread Run-Outs and Undercuts<br>Part 1: Dimensions for screw thread run-outs for external ISO metric threads<br>Part 2: Dimensions for screw thread undercuts for external ISO metric threads<br>Part 3: Dimensions for screw thread run-outs and undercuts for internal threads (Blind Tapped Holes).<br><strong>IS 14962:<\/strong>&nbsp;ISO General Purpose Metric Screw Therads \u2013 Tolerances \u00e2\u20ac\u201c<br>Part 1 : Principle and Basic Data<br>Part 2: Limits of Sizes for General Purpose External and Internal Screw Threads \u2013 Medium Quality<br>Part 3: Deviations for Constructional Screw Threads<br>Part 4: Limits of Sizes for Hot-Dip Galvanized External Screw Threads to Mate with Intenal Screw Threads Tapped with Tolerance Position H or G after Galvanizing<br>Part 5: Limits of Sizes for Internal Screw Threads to Mate with Hot-Dip Galvanized External Screw Threads with Maximum Size of Toleracnce Position h before Galvanizing<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ANSI Standards<\/h4>\n\n\n\n<p><strong>ANSI B1.1:<\/strong>&nbsp;Unified screw threads. (UNC \/ UNF).<br><strong>ANSI B1.13M:<\/strong>&nbsp;Metric screw threads-M Profile.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">BS Standards<\/h4>\n\n\n\n<p><strong>BS 84:<\/strong>&nbsp;Parallel screw threads of Whitworth form. Requirements. (BSW, BSF, BA).<br><strong>BS 1580:<\/strong>&nbsp;Unified screw threads. (UNC \/ UNF).<br>BS 1580-1: Screw threads with diameters \u00c2\u00bc in and larger. \u2013 Requirements.<br>BS 1580-3: Screw threads with diameters below \u00c2\u00bc in. \u2013 Requirements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Standards for Product Specification and Dimensions<\/h3>\n\n\n\n<p>As there are many types of fasteners, it is not possible to give list of standards for all fasteners. List is given for commonly used fasteners for maintenance and erection. Common fasteners and their equivalent standard numbers are as under.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>Products<\/th><th>Equivalent Standards<\/th><\/tr><tr><th>IS<\/th><th>ISO<\/th><th>ANSI<\/th><th>DIN<\/th><th>BS<\/th><\/tr><tr><td>Hexagon head bolts, screws and nuts<\/td><td>1363<br>1364<br>14894<br>13722 to 13726<br>6639<\/td><td>4014 to 4018<br>8676<br>8765<br>4032 to 4036<br>8673 to 8675<\/td><td>B 18.2.1<br>B 18.2.2<br>B 18.2.3.\u2013<br>B 18.2.4.\u2013<\/td><td>931<br>933<br>934<\/td><td>1083<br>1768<\/td><\/tr><tr><td>Socket head cap screws<\/td><td>2269<\/td><td>4762<\/td><td>B 18.3<br>B 18.3.1M<\/td><td>912<\/td><td>4168-1<\/td><\/tr><tr><td>Socket countersunk head screws<\/td><td>6761<\/td><td>10642<\/td><td>B 18.3<br>B 18.3.5M<\/td><td>7991<\/td><td>4168-8<\/td><\/tr><tr><td>Socket set screws<\/td><td>6094<\/td><td>4026<br>4027<br>4028<br>4029<\/td><td>B 18.3<br>B 18.3.6M<\/td><td>913<br>914<br>915<br>916<\/td><td>4168-2<br>4168-3<br>4168-4<br>4168-5<\/td><\/tr><tr><td>High strength structural bolts, nuts and washers<\/td><td>3757<br>6623<br>6649<\/td><td>&nbsp;<\/td><td>B 18.2.3.7M<br>B 18.2.4.6M<\/td><td>6914<br>6915<br>6916<\/td><td>4395<\/td><\/tr><tr><td>Studs<\/td><td>1862<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">ISO Standards<\/h4>\n\n\n\n<p><strong>4014:<\/strong>&nbsp;Hexagon head bolts \u2014 Product grades A and B<br><strong>4015:<\/strong>&nbsp;Hexagon head bolts \u2014 Product grade B \u2014 Reduced shank (shank diameter approximately equal to pitch diameter)<br><strong>4016:<\/strong>&nbsp;Hexagon head bolts \u2014 Product grade C<br><strong>4017:<\/strong>&nbsp;Hexagon head screws \u2014 Product grades A and B<br><strong>4018:<\/strong>&nbsp;Hexagon head screws \u2014 Product grade C<br><strong>8676:<\/strong>&nbsp;Hexagon head screws with metric fine pitch thread \u2014 Product grades A and B<br><strong>8765:<\/strong>&nbsp;Hexagon head bolts with metric fine pitch thread \u2014 Product grades A and B<br><strong>4032:<\/strong>&nbsp;Hexagon nuts, style 1 \u2014 Product grades A and B<br><strong>4033:<\/strong>&nbsp;Hexagon nuts, style 2 \u2014 Product grades A and B<br><strong>4034:<\/strong>&nbsp;Hexagon nuts \u2014 Product grade C<br><strong>4035:<\/strong>&nbsp;Hexagon thin nuts (chamfered) \u2014 Product grades A and B<br><strong>4036:<\/strong>&nbsp;Hexagon thin nuts (unchamfered) \u2014 Product grade B<br><strong>8673:<\/strong>&nbsp;Hexagon nuts, style 1, with metric fine pitch thread \u2014 Product grades A and B<br><strong>8674:<\/strong>&nbsp;Hexagon nuts, style 2, with metric fine pitch thread \u2014 Product grades A and B<br><strong>8675:<\/strong>&nbsp;Hexagon thin nuts (chamfered) with metric fine pitch thread \u2014 Product grades A and B<br><strong>4762:<\/strong>&nbsp;Hexagon socket head cap screws<br><strong>10642:<\/strong>&nbsp;Hexagon socket countersunk head screws<br><strong>4026:<\/strong>&nbsp;Hexagon socket set screws with flat point<br><strong>4027:<\/strong>&nbsp;Hexagon socket set screws with cone point<br><strong>4028:<\/strong>&nbsp;Hexagon socket set screws with dog point<br><strong>4029:<\/strong>&nbsp;Hexagon socket set screws with cup point<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IS Standards<\/h4>\n\n\n\n<p><strong>1363:<\/strong>&nbsp;Hexagon Head Bolts, Screws and Nuts of Product Grade `C&#8217;.<br>Part 1: Hexagon Head Bolts (Size Range M 5 to M 64) \u2013 is identical with ISO 4016.<br>Part 2 : Hexagon Head Screws (Size Range M 5 to M 64) \u2013 is identical with ISO 4018.<br>Part 3 : Hexagon Nuts (Size Range M 5 to M 64) \u2013 is identical with ISO 4034.<br><strong>1364:<\/strong>&nbsp;Hexagon Head Bolts, Screws and Nuts of Product Grades A and B.<br>Part 1 : Hexagon Head Bolts (Size Range M 1.6 to M 64) \u2013 is identical with ISO 4014.<br>Part 2 : Hexagon Head Screws (Size Range M 1.6 to M 64) \u2013 is identical with ISO 4017.<br>Part 3 : Hexagon Nuts, Style 1 (Size Range M 1.6 to M 64) \u2013 is identical with ISO 4032.<br>Part 4 : Hexagon Thin Nuts (Chamfered) (Size Range M1.6 to M64) \u2013 is identical with ISO 4035.<br>Part 5 : Hexagon Thin Nuts \u2013 Product Grade B (Unchamfered) (Size Range M 1.6 to M 10) \u2013 is identical with ISO 4036<br>Part 6 : Hexagon Nuts, Style 2 \u2013 is identical with ISO 4033<br><strong>2269:<\/strong>&nbsp;Hexagon Socket Head Cap Screws<br><strong>6761:<\/strong>&nbsp;Fasteners \u2013 Countersunk Head Screws with Hexagon Socket \u2013 Specification<br><strong>6094:<\/strong>&nbsp;Specification for Hexagon Socket Set Screws<br><strong>14894:<\/strong>&nbsp;Fasteners \u2013 Hexagon Head Bolts of Product Grade B \u2013 Reduced Shank (Shank Diameter Pitch Diameter) \u2013 Specification<br><strong>13722:<\/strong>&nbsp;Hexagon Nuts, Style 1, with Metric Fine Pitch Thread \u2013 Product Grades A and B \u2013 is identical with ISO 8673<br><strong>13723:<\/strong>&nbsp;Hexagon Nuts Style 2 with Metric Fine Pitch Thread \u2013 Product Grades A and B \u2013 is identical with ISO 8674<br><strong>13724:<\/strong>&nbsp;Hexagon Thin Nuts (Chamfered) with Metric Fine Pitch Thread \u2013 Product Grades A and B \u00e2\u20ac\u201c is identical with ISO 8675<br><strong>13725:<\/strong>&nbsp;Hexagon Head Screws with Metric Fine Pitch Thread \u2013 Product Grades A and B \u2013 is identical with ISO 8676<br><strong>13726:<\/strong>&nbsp;Hexagon Head Bolts with Metric Fine Pitch Thread \u2013 Product Grades A and B \u2013 is identical with ISO 8765<br><strong>6639:<\/strong>&nbsp;Hexagon Head Bolts for General Steel Structures \u2013 Specification<br><strong>3757:<\/strong>&nbsp;Specification for High Strength Structural Bolts<br><strong>6623:<\/strong>&nbsp;High Strength Structural Nuts \u2013 Specification<br><strong>6649:<\/strong>&nbsp;Specification for Hardened and Tempered Washers for High Strength Structural Bolts and Nuts<br><strong>1862:<\/strong>&nbsp;Specification for Studs<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ANSI Standards<\/h4>\n\n\n\n<p><strong>B 18.2.1:<\/strong>\u00a0Square and Hex Bolts and Screws, Inch Series<br><strong>B 18.2.2:<\/strong>\u00a0Square and Hex Nuts<br><strong>B 18.2.3.1M:<\/strong>\u00a0Metric Hex Cap Screws<br><strong>B 18.2.3.3M:<\/strong>\u00a0Metric Heavy Hex Screws<br><strong>B 18.2.3.5M:<\/strong>\u00a0Metric Hex Bolts<br><strong>B 18.2.3.6M:<\/strong>\u00a0Metric Heavy Hex Bolts<br><strong>B 18.2.4.1M:<\/strong>\u00a0Metric Hex Nuts, Style 1<br><strong>B 18.2.4.2M:<\/strong>\u00a0Metric Hex Nuts, Style 2<br><strong>B 18.2.4.6M:<\/strong>\u00a0Metric Heavy Hex Nuts<br><strong>B 18.3:<\/strong>\u00a0Socket Cap, Shoulder, and Set Screws, Hex and Spline Keys (Inch Series)<br><strong>B 18.3.1M:<\/strong>\u00a0Socket Head Cap Screws (Metric Series)<br><strong>B 18.3.5M:<\/strong>\u00a0Hexagon Socket Flat Countersunk Head Cap Screws (Metric Series)<br><strong>B 18.3.6M:<\/strong>\u00a0Socket Set Screws (Metric Series)<\/p>\n\n\n\n<p>Inspection &amp; Approval Certificates : C\/W Certificate (Calibration Works Certificate) EN 10204 3.1 \/ DIN 50049 3.1 \/ ISO 10474 3.1 Mill Test Certificate,<br>ISI Mark, BIS Certified, NACE HIC TM-0284 \/ NACE MR-0103 \/ NACE MR-0175 \/ ISO 15166, CE Marked, European Pressure Equipment Directive<br>PED-2014\/68\/EU, AD-2000-WO, ASME Boiler &amp; Pressure Vessel Code Section-II Part A Edition 2019, API 6A (American Petroleum Institute),<br>with EN 10204 3.2 Certificate duly Certified &amp; Approved by IBR (Indian Boiler Regulations), LR Class (Lloyd\u2019s Register), GL (Germanischer Lloyd),<br>BV (Bureau Veritas), DNV (Det Norske Veritas), ABS Class (American Bureau of Shipping), SGS, TUV, RINA, IR Class (Indian Register of Shipping),<br>NORSOK Approved Standard M-630, M-650 Rev.3<\/p>\n\n\n\n<p>If you have any requirement of above items, please feel free to contact us<\/p>\n\n\n\n<p>Regards,<\/p>\n\n\n\n<p><strong>CONTACT PERSON :<\/strong><\/p>\n\n\n\n<p><strong>MUKESH SHAH<br>Director<br>Mobile No. 0091 \u2013 9820292499<br>Email \u2013 marketing@rolexmetals.com<\/strong><\/p>\n\n\n\n<p><strong>ROLEX METAL DISTRIBUTORS<br>57-A Khatargalli<br>Thakurdwar<br>Mumbai \u2013 400 002 India<br>0091-22-23858802<br>0091-22-23823963<br>0091-22-23898724<br>marketing@rolexmetals.com<br>www.rolexmetals.com<\/strong><\/p>\n\n\n\n<p>CHAIRMAN \u2013 chairman@rolexmetals.com<br>MANAGING DIRECTOR \u2013 managingdirector@rolexmetals.com<br>TECHNICAL DIRECTOR \u2013 technicaldirector@rolexmetals.com<br>SALES DIRECTOR \u2013 salesdirector@rolexmetals.com<br>COMMERCIAL DIRECTOR \u2013 commercialdirector@rolexmetals.com<br>COMMERCIAL MANAGER \u2013 commercial@rolexmetals.com<br>GENERAL MANAGER \u2013 generalmanager@rolexmetals.com<br>SALES MANAGER \u2013 salesmanager@rolexmetals.com<br>PURCHASE MANAGER \u2013 purchasemanager@rolexmetals.com<br>TECHNICAL MANAGER \u2013 technical@rolexmetals.com<br>WORKS MANAGER \u2013 worksmanager@rolexmetals.com<br>STORES MANAGER \u2013 stores@rolexmetals.com<br>WAREHOUSE MANAGER \u2013 warehouse@rolexmetals.com<br>SALES DOMESTIC \u2013 salesdomestic@rolexmetals.com<br>SALES INTERNATIONAL \u2013 salesinternational@rolexmetals.com<br>SALES GENERAL \u2013 sales@rolexmetals.com<br>PURCHASE GENERAL \u2013 purchase@rolexmetals.com<br>FINANCE MANAGER \u2013 finance@rolexmetals.com<br>ACCOUNTS MANAGER \u2013 accounts@rolexmetals.com<br>GENERAL INFORMATION \u2013 info@rolexmetals.com<br>EXPORT MANAGER \u2013 export@rolexmetals.com<br>IMPORT MANAGER \u2013 import@rolexmetals.com<br>AIR EXPORT \u2013 airexport@rolexmetals.com<br>SEA EXPORT \u2013 seaexport@rolexmetals.com<br>CUSTOMS \u2013 customs@rolexmetals.com<br>AIR FREIGHT \u2013 airfreight@rolexmetals.com<br>SEA FREIGHT \u2013 seafreight@rolexmetals.com<br>DESPATCH \u2013 despatch@rolexmetals.com<br>INSPECTION \u2013 inspection@rolexmetals.com<br>LOGISTICS \u2013 logistics@rolexmetals.com<br>TRANSPORT \u2013 transport@rolexmetals.com<br>KALAMBOLI WAREHOUSE \u2013 kalamboli@rolexmetals.com<br>TALOJA WAREHOUSE \u2013 taloja@rolexmetals.com<br>KHOPOLI WAREHOUSE \u2013 khopoli@rolexmetals.com<br>NHAVA SHEVA WAREHOUSE \u2013 nhavasheva@rolexmetals.com<br>KANDLA WAREHOUSE \u2013 kandla@rolexmetals.com<br>MUMBAI WAREHOUSE \u2013 mumbai@rolexmetals.com<br>STOCKYARD \u2013 stockyard@rolexmetals.com<br>SERVICE \u2013 service@rolexmetals.com<br>SUPPORT \u2013 support@rolexmetals.com<br>RECRUITMENT \u2013 career@rolexmetals.com<br>WEBMASTER \u2013 webmaster@rolexmetals.com<br>CUSTOMER CARE \u2013 customercare@rolexmetals.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>India\u00a0&#8211; IS (Indian Standard \u2013 Bureau of Indian Standards)UK\u00a0&#8211; BS (British Standards)USA\u00a0&#8211; ANSI (The American National Standards Institute)Germany\u00a0&#8211; DIN (Deutsches Institut fur Normung) is the German standards group. Technical supply conditions and strength of fastener \/ materials ISO Standards Note:For some standards<\/p>\n<p class=\"link-more\"><a class=\"myButt \" href=\"https:\/\/rolextitan.com\/?page_id=129\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-129","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/rolextitan.com\/index.php?rest_route=\/wp\/v2\/pages\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rolextitan.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rolextitan.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rolextitan.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rolextitan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=129"}],"version-history":[{"count":1,"href":"https:\/\/rolextitan.com\/index.php?rest_route=\/wp\/v2\/pages\/129\/revisions"}],"predecessor-version":[{"id":130,"href":"https:\/\/rolextitan.com\/index.php?rest_route=\/wp\/v2\/pages\/129\/revisions\/130"}],"wp:attachment":[{"href":"https:\/\/rolextitan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}