. When drilling low tensile strength materials, the Type "D" cobalt drill will have a significantly greater tool life than the NAS 965 Type B high speed steel adapter drill, resulting in a much lower cost per hole.#50 Cobalt Short Threaded Shank Drill Bit Overall Length 1 When drilling low tensile strength materials.
•Fits SP Air item SP-7201DA 2″ Mini D/A Sander•320 Grit•Available 25 Pack ( #7201DA-32025P) 50 Pack ( #7201DA-32050P) and 100 Pack ( #7201DA-320100P)•Industrial-quality sanding discs for woodworking,metal finishing,and for plastic like materials Excellent for woodworking, metal finishing, and for plastic like materials. Durable and practical, resistant to moisture and heat.2" Sanding Disc 320G 100 Pack Fits SP air item sp-7201da 2-inch mini D/A sander..