Decker Manufacturing Corporation
703 North Clark Street, 49224-0360, Albion, MI, United States
Visit website- Accredited standards
- 5
- A2LA certificate
- 1
- Site in our directory
- 1
What this lab is accredited for
Our reading of the A2LA scope: each standard once, with its official name where we have checked it.
Only this lab. Searches the 5 standard numbers and the 4 official names we hold. When no standard matches, it searches the method text of every scope line.
ASTM E18Standard Test Methods for Rockwell Hardness of Metallic Materials
ASTM E92Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials
ASTM F606Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets
ASTM F788
ISO 898-2Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2: Nuts with specified property classes
ASME/ANSI B18.18; ASTM E18; NASM 1312-6; SAE J417; ASTM E18, F606/F606M; NASM 1312-6; SAE J417, J1965, J995; ASTM E92, E384; ISO 898-2; ASTM F606/F606M; NASM 1312-8; SAE J995, J1965; ISO 898-2; IFI 100/107; Ford ES-21000-S100; ASTM F788/F788M, F812/F812M; Cummins ESN 16114
Read from the A2LA scope document we downloaded on 2026-03-14. Register refreshed 2026-11-06.
Scope as published by A2LA
3 lines
ISO/IEC 17025
Active499.01
The scope document we hold says it was valid until 2026-07-31. That date has passed, so our copy may be out of date. We downloaded it from the A2LA register on 2026-03-14. Check the A2LA register for the current scope.
Accredited scope, certificate 499.01
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ASME/ANSI B18.18; ASTM E18; NASM 1312-6; SAE J417; ASTM E18, F606/F606M; NASM 1312-6; SAE J417, J1965, J995; ASTM E92, E384; ISO 898-2; ASTM F606/F606M; NASM 1312-8; SAE J995, J1965; ISO 898-2; IFI 100/107; Ford ES-21000-S100; ASTM F788/F788M, F812/F812M; Cummins ESN 16114 | Fasteners | 0 to 100 gauss |
| 2 | Extracted from the scope document; tables may not line up. View scope for the original. (A2LA Cert. No. 0499.01) 06/20/2024 Page 2 of 2
II. Dimensional Testing1
Parameter/Equipment Range Comments
Linear – 1D1,2
Up to 1 in
(1 to 2) in
Up to 6 in
Up to 1.5 in
Micrometer
Micrometer
Caliper
Digital indicator
Angle
2
0° to 360°
Optical comparator
Radius
2
Up to 2.3 in
Optical comparator
Recesses (Depth)2
Up to 1.5 in
Digital indicator
Straightness2
Up to 3.0 in
Up to 1.5 in
Optical comparator
Digital indicator
Thread Runout
2
Up to 1.5 in
Optical comparator,
Digital indicator
Threads
(Internal Threads)
2
M5 to M22
(0.025 to 1.125) in
M6 to M16
(0.25 to 1) in
Plug gages (pin & thread) / attribute
Variables / digital indicator
1Commercial dimensional testing service is sometimes available for this laboratory.
2This test is not equivalent to that of a calibration | ||
| 3 | Extracted from the scope document; tables may not line up. View scope for the original. For the types of tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.
Accredited Laboratory
A2LA has accredited
DECKER MANUFACTURING CORPORATION
Albion, MI
for technical competence in the field of
Mechanical Testing
This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017
General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates
technical competence for a defined scope and the operation of a laboratory quality management system
(refer to joint ISO-ILAC-IAF Communiqué dated April 2017).
Presented this 20th day of June 2024.
__ _____________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 0499.01
Valid to July 31, 2026 | ||
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Location
Labs with overlapping accredited scope in United States
- Chem-Plate IndustriesElk Grove Village, IL · ~265 kmA2LAShares 2 accredited methods and materialsASTM E18Fasteners
- AFI IndustriesCarol Stream, IL · ~281 kmA2LAShares 2 accredited methods and materialsASTM E18Fasteners
- Brunner ManufacturingElroy, WI · ~478 kmA2LAShares 2 accredited methods and materialsASTM E18Fasteners
- Trescal, Inc. - DetroitHowell, MI · ~79 kmA2LAShares 1 accredited test methodASTM E18
- United TechnicalWhitmore Lake, MI · ~84 kmA2LAShares 1 accredited materialFasteners
Accreditation data refreshed from the A2LA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the A2LA entry linked above.