The HV-32 shank adapter fits Fletcher Mine Master and Roof Master roof bolting machines, coupling the bolters drill head to the steel through an 8-spline shank with an R28 left-hand female thread. At 9-3/16 in. long and about 7 lb, it is the wear part that keeps a roof bolter making holes shift after shift in underground mining.

The R28 female thread accepts male R28 rod ends compatible steel lives in our extension rod selection and the 8-spline shank indexes into the HV-32 drill head. Crowder Supply covers dozens of other drills and bolters through its striking bars and shank adapters, with the drill steel adapters guide as the reference for matching splines and threads.

• Fits Fletcher Mine Master and Roof Master roof bolting machines
• R28 left-hand female thread connection for the drill steel
• 8-spline shank indexes into the HV-32 drill head
• 9-3/16 in. overall length and approximately 7 lb weight
• Application: underground roof bolting with HV-32 equipped Fletcher machines
• In stock at Crowder Supply in Denver, Colorado