54mm Grain Drilling Bushing Set
Product Code: 54GDBS
54mm Grain Drilling Bushing Set Summary
This is a tool that can be used for accurately center drilling 1.870" O.D. propellant grains by hand using an appropriately-sized drill bit. The unit consists of a main body and interchangeable drill bushings that lock in place using a bayonet-style connector. NOTE: Propellant grains and drill bits not included.
Bushings included for:
0.625" (5/8")
0.688" (11/16")
0.750" (3/4")
Bushings included for:
0.625" (5/8")
0.688" (11/16")
0.750" (3/4")
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