Indent Hex Washer Head Tapping Screw, Unslotted

Indent Hex Washer Head Tapping Screw, Unslotted

Porteous III



Has an indented top surface, six flat sides, and a flat bearing surface. Preferred in high volume assembly where pneumatic equipment is used to drive the screw. Can transmit significantly higher tightening torque levels than other head styles. *ZB - BLUE ZINC

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