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Parabolic-flute drill designed for deep-hole drilling- THE 17th Guangzhou International Platemetal, bar, wire, metal processing & setting equipment exhibition
3/22/2016  platmetal,bar,wire, & setting equipment expo
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     Dormer Pramet offers PFX premium cobalt high-speed steel drills, available in screw machine, jobber, taper, and extra-length designs. It is suitable for most materials operating in depths of 3xD (A920, A921), 6xD (A900, A901), 10xD (A940, A941), and 15xD (A976, A977, A978). All drills feature a parabolic-flute design to help increase chip space and improve chip evacuation. This design allows greater hole depths to be achieved, in some cases without the need for pecking, states the company. A thick web increases the structural strength of the drill. Special point geometry eliminates the need for a pilot hole and reduces thrust force and power requirements.

- THE 17th Guangzhou International Platemetal, bar, wire, metal processing & setting equipment exhibition 
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