Zephyr 1/4” Phillips ® #3 Insert Bits, ACR, For Machine Screws Description

#3 Phillips Zephyr insert bit, 1/4” hex shank, for aircraft or machine screws, intermediate hardness, 1” overall length ACR both directions. Phillips head bits from Zephyr Tool can be used for driving screws and fasteners with hand tools, corded or cordless power tools, and pneumatic tools. MRO Tools offers a wide selection of Phillips head bits from Zephyr Tool, which are popular throughout the aviation industry as well as automotive, heavy industry or anywhere quality tooling products are required.

The Phillips head screwdriver with ACR is purposely designed to cam out when the screw stalls, preventing the fastener from damaging the work or the head. Painted, coated or corroded fasteners can present special problems. Zephyr ACR insert bits special wing-face ribs grip screw recesses to reduce stripping and cam-out which can result in damage to the surrounding workpiece.