SK-7/8 QD Bushing, 7/8" Bore Spectra Supply Integrated damper spring at the

Integrated damper spring at the base of the impact bolt engineered to absorb impact vibrations from the drill bit

for maximum strength

Designed to meet or exceed all government specifications

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Features 1 lower shelf

SK-7/8 QD Bushing, 7/8" Bore Spectra Supply Integrated damper spring at theQD Bushing Drawing PDF SK 7 8 QD Bushing, 7 8" Bore Details & Specifications Part No: QSK087 PLI Bushing No.: SK Bore: 0. 875" Dimensions D: 3. 875" Dimensions L: 1. 938" Dimensions A: 1. 25" Dimensions B: 2. 812" Dimensions C: 0. 188" Dimensions E: 1. 375" Dimensions F: 0. 563" Capscrews Size: 0. 313 Capscrews Bolt Circle: 3. 313 Average Weight Lbs.: 2 All Bushings shown above except "JA" have a setscrew over the keyway. For any information about