E1203AA Zephyr Tool 5/16” Phillips #3 Power Drive Bits, For Machine Screws Description: Zephyr Phillips ® Power Drive Bits are heat treated in small lots to guarantee consistent quality. Zephyr’s unique Z-Forge process assures an exact dimensional fit in the recess. Zephyr Screwdriver Bits will give you the truest fit, longest performance and the least cam-out and product damage of any available screwdriver bit at any price. Zephyr Phillips Power Drive ® Bits have served the aerospace and automotive industries with high quality, technically innovative tools produced in a manufacturing environment that features intense quality control and superior customer service.

Shank Size: 5/16” Point Size: #3 Bit Hardness: Intermediate Hardness Overall Length: 3” For Screw Recess Type: Aircraft