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Item # 67680 Blank bar body is soft to allow for machining. The shank is 8620 and case hardened to Rockwell 52-56 .060 deep. After machining the bar end it can be selectively heat treated for your application.
Retention knob separate item
Specifications | Shank
| CV40
| A Dia.
| 3.88
| B Proj.
| 11.00
| C O.A.L.
| 13.68
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