H & D Steel and Bits - Rock Drill Bits - Crowder Supply
The bit threads up to the shoulder of the steel and the percussive shock wave is transferred through the shoulder to the face of the bit. It is available in all 3 standard rock drill shank sizes - 7 ⁄ 8 x 4 1 ⁄ 4, 7 ⁄ 8 x 3 ¼ and 1 x 4 ¼' and is intended for …
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