Wilson-Garner regularly manufactures and stocks many General Motors Test Nuts, Test Bolts and Test Washers based on General Motors Engineering Standards:

  • GMW3044
  • GMW3359
  • GMW16722
  • GM7112M
  • GMW4707
  • GMW3179 Code G

We also stock test parts for GM Standards:

  • GM6076M
  • GM6124M
  • GM6175M
  • GM6189P
  • GM6194

Torque/Tension Certification Testing

GMW3044, GMW3359, GM7112M, GMW4707, & GMW3179 Code G

Available from Stock

THREAD SIZE TEST BOLT PART NUMBER TEST NUT PART NUMBER TEST WASHER PART NUMBER
M6 X 1.00 11516103 11516088 11503952 (SFM006HZ)
M8 X 1.25 11516104 11516089 11502643 (SFM008HZ)
M10 X 1.50 11516105 11516090 11502644 (SFM010HZ)
M12 X 1.75 11516106 11516091 11502645 (SFM012HZ)
M14 X 2.00 11516107 11516092 11502646 (SFM014HZ)
M16 X 2.00 11516108 11516093 11502647 (SFM016HZ)

GMW 3044 / GMW 3359

Available from Stock

Test Bolt Part Number Test Nut Part Number Test Washer Part Number
11516105 11516090 11502644 (SFM010HZ)
M10 x 1.50 x 40mm

G9.8 – Plain

M10 x 1.50

Style 1

Zinc Finish

Zinc Finish

Square Test Washer

Hardened

torque image

Bearing Surface Characteristics Testing

GMW 3044 / GMW 3359

Available From Stock

Test Bolt
Part Number
Test Nut
Part Number
Test Washer
Part Numbers
11570102 11516090 SFM010ALUM SFM010SCE
M10X1.5X60MM

G10.9 – Plain

M14 Head

M10x1.50

Style 1

Zinc Finish

Aluminum

Square Test

Washer

Elpo Finish

Square Test

Washer (Soft)

GMstandards