• Sales & Distribution Centers
  • Northeast & Midwest
    OH Office -800-782-3278
  • *Southeast
    SC Office -800-951-1159
  • *South
    MS Office -800-888-6887
  • *West & Central America
    CA Office -800-999-9779
  • *Canada
    ON Office -877-782-3278
  • *International Inquiries
    SC Office -800-951-1159

*These locations are not included in the scope of our ISO 9001:2015 registration.

Product

Thread Size

d1

d2

d3

L

L1

Hex Drive

Pilot Hole Size

D142020T ZN

1/4-20 .488 .441 .303 .780 .189 6 11/32-23/64

D142025 ZN

1/4-20 .492 .469 .315 .984 .160 6 11/32-3/8

D561813

5/16-18 .571 .531 .378 .512 .170 8 25/64-7/16

D561820T ZN

5/16-18 .571 .545 .382 .787 .216 8 25/64-7/16

D561825 ZN

5/16-18 .571 .543 .374 .984 .180 0 25/64-7/16

DHL561813 ZN

5/16-18 .741 .531 .378 .544 .174 8 25/64-7/16

D381613 ZN

3/8-16 .630 .594 .460 .512 .170 10 1/2-33/64

D381625 ZN

3/8-16 .625 .594 .460 .984 .180 10 1/2-33/64

DM101513 TD

M10 X P1.5 16.0 15.1 11.7 13.0 4.4 NA 12.7-13.1

DM101525 TD

M10 X P1.5 15.9 15.1 11.7 25.0 4.6 NA 12.7-13.1

DM40710 TD

M4 X P0.7 8.5 8.0 5.5 10.0 .8 NA 5.6-6.0

DM50810 TD

M5 X P0.8 11.5 10.6 7.1 10.0 2.9 NA 7.5-7.9
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