Hex Washer - Serrated

Flange Version has more material in the transition between the washer and hex part of the head.
"Slotted" & "unslotted" versions below are INDENTED hex washer heads as opposed to the flange Style.

Select Drive
Slotted
Serrated Hex Washer - Slotted - Alternatives to Taptite® Thread Rolling Screws* - Zinc
Unslotted
Hex Washer - Unslotted - Alternatives to Taptite® Thread Rolling Screws* - Zinc
Unslotted - Flange
Serrated Hex Flange Washer - Slotted - Alternatives to Taptite® Thread Rolling Screws* - Zinc