• 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

d2

d3

L

Hex Drive

Pilot Hole Size

SK561830HDD16LT

5/16-18 .630 .528 1.181 8 NA

SK561818HD

5/16-18 .552 .453 .709 8 15/32-1/2

SK381662HDD18LT

3/8-16 .728 .614 2.43 10 NA

SK561830HD

5/16-18 .552 .453 1.181 8 15/32-1/2

SK381615HD

3/8-16 .728 .618 .591 10 5/8-21/32

SK381620HD

3/8-16 .728 .614 .787 10 5/8-21/32

SK381630HD

3/8-16 .728 .614 1.181 NA 5/8-21/32

SKM81330HDD16

M8 X P1.3 16.0 13.4 30.0 8 13.5-14.3
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