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Product Name | HSS Step Drill Bit |
Material | M35(cobalt 5%), HSS M2, HSS |
Process | Fully Gorund |
Size | 4-12mm, 4-20mm, 4-32mm |
Shank Type | Quick Change Hex Shank (Three Flats Shank, Round Shank, Double R Shank are Available) |
Surface Finish | TiN (Bright, Black & Amber, Co-coated, Black Oxide, TiAIN, Black & Bright are Available) |
Package | 3Pcs in Nylon Bag (Wooden Box, Plastic Box, Double Blister, Metal Box, Aluminum Case are Available) |







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