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Heavy-duty construction for portable or machine drilling in high tensile strength alloy steels
and the advanced hardening process means they can withstand the power of an impact driver
In-line installation
SAE and metric scales on the hand grip and shaft are large and easy to read
to 5/16 in
ATB™ Nylon Abrasive Heavy-Duty Internal Deburring Brushes, 4" Dia. x 1-3/4" L, 80 Grit Brad Nails Heavy-duty construction for portable orHelical brush shape and flexible round crimped filaments allow the brush to work in both rotational directions with excellent part conformity Higher silicon carbide impregnated filament concentration for heavy deburring, minimum cycle time, stainless steel applications and hardened alloys Can be used wet or dry Operational speeds between 600 and 1800 RPM Applications: Cross hole deburring, edge blending, edge radiusing, cam bores, cleaning threads,