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Yamawa weak twist groove R type center hole drill CD-R 3XRX7.7 CDR-3 1 piece
Yamawa weak twist groove R type center hole drill CD-R 3XRX7.7 CDR-3 1 piece
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¥3,445
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Catalog number: CDR-3 Features: ●This is a weak twist groove R-shaped center hole drill for R-shaped center hole processing. Applications: ●Workpiece material: carbon steel, alloy steel, tool steel, cast iron, copper alloy, aluminum alloy. ●Center hole processing. Specifications: ●Taper diameter (mm): 3 ●Shank diameter (mm): 7.7 ●Total length (mm): 55 ●Blade length (mm): 8.3 ●Blade shape: double-edged ●Rmax (mm): 10.0 Material/Finish: ●High-speed tool steel (HSS)
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