W.L. Fuller Screwdriver Bits - Slotted Power - 1/4" Hex Shank
Slotted Power Screwdriver Bits
1/4" Hex Shank with Round Bodies - Extra Hard
These power bits fit directly into the power tool for improved concentricity and easier clearance. Each is built with a power groove that engages with a spring-loaded metal ball inside the driver. The Extra Hard Bits are recommended for driving heat-treated or case-hardened screws, such as sheet metal or self-tapping and self-drilling screws. Note that proper sizing is important for efficiency.
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