Dexter Fastener Technologies, Inc.

NVLAP Lab Code: 200144-0

Address and Contact Information:

2110 Bishop Circle E.
Dexter, MI 48130
Contact: Mr. Mike Frazier
Phone: 734-426-5200
Fax: 734-426-5870
E-Mail: mfrazier@dextech.net
Send E-Mail to Laboratory: Dexter Fastener Technologies, Inc.

NVLAP Accreditation Information

Listed below is the scope of accreditation for this laboratory as of February 10, 2012. For additional information, contact NVLAP at (301) 975-4016.

Send E-Mail to NVLAP at: NVLAP@nist.gov

Fasteners & Metals

Accreditation Valid From: October 1, 2011 Through: September 30, 2012

Chemical Analysis

  • Optical emission spectrochemical analysis

[FA/457] ASTM E415
Method for Optical Emission Vacuum Spectrometric Analysis of Carbon and Low-Alloy Steel

Mechanical and Physical Testing and Inspection

  • Axial tensile strength of full-size threaded fasteners

[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.

  • Fatigue of full-size threaded fasteners

[FA/182] ISO 3800-1
Threaded Fasteners - Axial Load Fatigue Testing - Part 1: Test Methods

  • Head soundness testing

[FA/614] ISO 898-1
Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel - Part 1: Bolts, Screws and Studs. Section 8.8, Head Soundness Test.

  • 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

  • Proof load of full-size externally threaded fasteners

[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.

  • Rockwell hardness of fasteners

[FB/1350] ISO 6508-1
Metallic Materials - Rockwell Hardness Test - Part 1: Test Method (Scales B, & C)

  • Rockwell superficial hardness of fasteners

[FB/1349] ASTM E18
Standard Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials (Scale 30N)

  • Salt spray testing of fasteners

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

  • Torque-tension of full-size threaded fasteners

[FB/1355] ISO 16047
Torque/clamp force

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

[FA/571] JIS Z2244
Method of Vickers Hardness Test

  • Wedge tensile strength of full-size threaded fasteners

[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).

  • Yield strength of full-size externally threaded fasteners

[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

  • Macroscopic examination of steel

[FA/511] ASTM E340
Standard Test Method for Macroetching Metals and Alloys

  • Microscopic examination of steel

[FA/512] ASTM E407
Standard Practice for Microetching Metals and Alloys

  • Surface discontinuities of externally threaded fasteners

[FA/359] ISO 6157-1
Fasteners - Surface Discontinuities - Part 1: Bolts, Screws, and Studs for General Requirements

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