this is a lot of 2- 1" hilti drill bits. One has a little bit of surface rust but has never been used, that is the hilti-292918. The other bit is also 1" and is a little more course(extra threads) not sure on the hikti part #.
Excellent replacement for the DEWALT and BLACK & DECKER # 330075-591/2" JACOBS TWO SLEEVE METAL KEYLESS HAMMER DRILL CHUCK Two sleeve version provides two handed gripping for drills/drivers without spindle lock.Fits most cordless applications with a 1/2"-20 right handed spindle mount.Chuck will fit many Dewalt, Black & Decker, and many other
1/2" JACOBS CARBIDE JAW SINGLE SLEEVE METAL KEYLESS HAMMER DRILL CHUCK Carbide jaw bite reduces bit slippage and enhances wear resistance even in the most demanding applications.
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