Sundram Fasteners Limited (Inhouse test laboratory)

NVLAP Lab Code: 200212-0

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Fasteners & Metals

Dimensional Inspection

• Dimensions of ISO grade A and B fasteners

[FA/408] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• Dimensions of ISO grade C fasteners

[FA/410] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• Dimensions of fasteners - flange screw heads and flange nuts

[FA/669] ISO 4161
Hexagon Nuts with Flange - Product Grade A

[FA/670] ISO 4162
Hexagon Flange Bolts - Small Series

• Dimensions of fasteners - straightness

[FA/668] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• Dimensions of general purpose fasteners and high-volume machine assembly fasteners

[FA/665] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• Dimensions of special purpose fasteners and fasteners for highly specialized engineered ap

[FA/666] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• External thread parameters - SAE fastener with MJ metric screw threads

[FA/389] SAE MA1566
Gaging Practice and Gage Requirements for MJ Metric Screw Threads

[FA/661] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

[FA/662] ISO 1502
ISO General Purpose Metric Screw Threads - Gauges and Gauging

• External thread parameters - system 21

[FA/659] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

[FA/660] ISO 1502
ISO General Purpose Metric Screw Threads - Gauges and Gauging

• Internal thread parameters - ISO

[FA/402] ISO 1502
ISO General Purpose Metric Screw Threads - Gauging

[FA/664] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• Internal thread parameters - SAE fastener with MJ metric screw threads

[FA/979] ISO 4759-1
Tolerances for Fasteners - Part 1: Bolts, Screws, and Nuts with Thread Diameters between 1.6 (inclusive) and 150 mm (inclusive) and Product Grades A, B, and C

• Surface texture

[FB/1207] IS 3073
Indian Standard for the Assessment of Surface Roughness

Mechanical and Physical Testing and Inspection

• Axial tensile strength of full-size threaded fasteners

[FA/266] ASTM F606
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. Sections 3.4.1 through 3.4.3: Axial Tension Testing of Full Size Products

[FA/270] ISO 898-1
Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel - Part 1: Bolts, Screws and Studs. Section 8.2: Tensile Test for Full-Size Bolts, Screws and Studs.

[FA/273] SAE J429
Mechanical and Material Requirements for Externally Threaded Fasteners

• Brinell hardness of fasteners

[FA/466] ISO 6506
Metallic Materials - Hardness Test - Brinell Test

• Charpy impact (u-notch) testing

[FB/1300] IS 1499 : BS 131
Charpy U-Notch Impact Test on Metals

• Cone proof load of internally threaded fasteners (nuts)

[FA/223] SAE J122
Surface Discontinuities on Nuts Section 4.3: Cone Proof Load Test

[FB/1314] IS 1367
Technical Supply Conditions for Threaded Steel Fasteners - Part 1: General Requirements for Bolts, Screws and Studs

• Measurement of fastener coating thickness - magnetic methods

[FA/153] ASTM B499
Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals

• Measurement of fastener coating thickness - weight of coating

[FB/1301] Cummins 3-06-251
Measurement of Fastener Coating Thickness - Weight of Coating, Zinc Phosphate Finish

• Microhardness of fasteners

[FA/191] ISO 6507-2
Metallic Materials - Vickers Hardness Test - Part 2: HV 0.2 to < HV 5

[FA/657] ASTM E92
Standard Test Method for Vickers Hardness of Metallic Materials

• Proof load of full-size externally threaded fasteners

[FA/226] ASTM F606
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. Sections 3.2.1 through 3.2.3: Proof Load (Length Measurement)

[FA/228] ISO 898-1
Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel - Part 1: Bolts, Screws and Studs. Section 8.5: Proof Load Test for Full Size Bolts and Screws.

[FA/229] SAE J429
Mechanical and Material Requirements for Externally Threaded Fasteners

[FA/230] SAE J1216
Test Methods for Metric Threaded Fasteners, Section 3.3: Proof Load (Length Measurement)

[FA/467] ASTM F606M
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric) Sections 3.2.1 through 3.2.3: Proof Load (Length Measurement)

• Proof load of internally threaded fasteners (nuts)

[FA/236] ASTM F606
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. Section 4.2: Proof Load Test

[FA/237] ASTM F606M
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric) Section 4.2: Proof Load Test

[FA/239] ISO 898-2
Mechanical Properties of Fasteners - Part 2: Nuts with Specified Proof Load Values - Coarse Thread. Section 8.1: Proof Load Test

[FA/240] ISO 898-6
Mechanical Properties of Fasteners - Part 6: Nuts with Specified Proof Load Values - Section 8.1 Proof Load test

[FA/241] SAE J995
Mechanical and Material Requirements for Steel Nuts. Section 5.1: Proof Load Test

• Rockwell hardness of fasteners

[FA/197] ASTM E18 (A, B, & C)
Standard Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials

[FB/1348] ISO 6508-1
Metallic Materials - Rockwell Hardness Test - Part 1: Test Method (Scales A, B, & C)

• Salt spray testing of fasteners

[FA/166] ASTM B117
Standard Test Method of Salt Spray (Fog) Testing

• Tension testing of machined specimens from externally threaded fasteners

[FA/279] ASTM F606
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. Section 3.6: Tension Testing of Machined Test Specimens

[FA/280] ASTM F606M
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric) Section 3.6: Tension Testing of Machined Test Specimens

[FA/282] ISO 898-1
Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel - Part 1: Bolts, Screws and Studs. Section 8.1: Tensile Test for Machined Test Pieces.

[FA/283] SAE J429
Mechanical and Material Requirements for Externally Threaded Fasteners

• Vickers hardness - test forces from 9.807 to 1176 N (1 to 120 kgf)

[FA/658] ISO 6507-1
Metallic Materials - Vickers Hardness Test - Part 1: HV 5 to HV 100

• Wedge tensile strength of full-size threaded fasteners

[FA/290] ASTM F606
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. Section 3.5: Wedge Tension Testing of Full Size Bolts

[FA/291] ASTM F606M
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric) Section 3.5: Wedge Tension Testing of Full Size Products

[FA/294] ISO 898-1
Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel - Part 1: Bolts, Screws and Studs. Section 8.6: Test for Tensile Strength Under Wedge Loading of Full-Size Bolts and Screws (Not Studs).

[FA/468] SAE J429
Mechanical and Material Requirements for Externally Threaded Fasteners

[FA/469] SAE J1216
Test Methods for Metric Threaded Fasteners, Section 3.6: Wedge Tensile Strength

• Yield strength of full-size externally threaded fasteners

[FA/298] ASTM F606
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. Section 3.2.4 (Proof Load) Method 2, Yield Strength

[FA/300] ASTM F606M
Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric) Section 3.2.4: (Proof Load) Method 2, Yield Strength

Metallography

• Decarburization and case depth measurement in fasteners

[FA/323] ASTM E1077
Standard Test Methods for Estimating the Depth of Decarburization of Steel Specimens

[FA/328] SAE J121
Decarburization in Hardened and Tempered Unified Threaded Fasteners

[FA/329] SAE J419
Methods of Measuring Decarburization

[FA/330] SAE J423
Methods of Measuring Case Depth

• Determination of grain size of fasteners

[FA/331] ASTM E112
Standard Test Methods for Determining Average Grain Size

[FA/333] SAE J418
Grain Size Determination of Steels

• Macroscopic examination of fasteners by etching

[FA/334] ISO 6157-1
Fasteners - Surface Discontinuities - Part 1: Bolts, Screws, and Studs for General Requirements

[FA/335] ISO 6157-3
Fasteners - Surface Discontinuities - Part 3: Bolts, Screws, and Studs for Special Requirements

[FA/336] SAE J123
Surface Discontinuities on Bolts, Screws, and Studs in Fatigue Applications

• Surface discontinuities of externally threaded fasteners

[FA/357] ASTM F788/788M
Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric Series

[FA/361] SAE J123
Surface Discontinuities on Bolts, Screws, and Studs in Fatigue Applications

• Surface discontinuities of internally threaded fasteners

[FA/365] SAE J122
Surface Discontinuities on Nuts

[FA/865] ASTM F812/F812M
Standard Specification for Surface Discontinuities of Nuts, Inch and Metric Series

Nondestructive Inspection

• Magnetic particle inspection of fasteners

[FA/374] ASTM E709
Standard Practice for Magnetic Particle Examination

[FA/378] SAE J420
Magnetic Particle Inspection

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Date created: July 26, 2002
Last Updated: November 1, 2009

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