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A 36mm x 5/16" t40 torx impact bit from Powerbuilt, made to survive an impact driver where standard insert bits crack. The S2 steel and 5/16" hex shank take the hammering without rounding off.
Fits any standard 5/16" hex impact holder — no adaptor needed. From the WBT0436 impact bit range.
Available as a single bit from Trade Roots — handy when one profile wears before the rest. Fast delivery nationwide.