4 22mm HSS 4241 Step Drill Bit Straight Flute With Hex Shank For Wood Metal Hole Cutter
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- Supplier: Yongkang Jiujing Hardware Tools Co. Ltd.
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Product Overview
Description
There will be some size differences in each batch of products, please refer to the actual product.
Product Name | HSS Step drill bits triangle shank for metal |
Material | HSS(Cobalt M35 is Available) |
Size | 4-22mm |
Flute Type | Straight Flute / Spiral Flute |
Flute Number | Single Flutes / Two Flute /Three Flutes |
Shank | Triangle Shank, Quick Change Hex Shank, Round Shank, Double R Shank,Tri -flat shank are Available |
Surface Finish | Titanium coated,Bright, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available |
Color | Amber Color ,Bright, Black Oxide, Titanium, Black & Gold, are Available |
Package | custom/pvc/box/carton |
Features | 1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. 135° Split Point Tip and Center Punch: increases cutting speed with self-centering and the drills do not run off center. 3. A variety of hole diameters can be drilled using only one tool. 4. The dimension of drilled hole is exact. 5. Two Flute Design: provides longer life and better chip removal. 6. Titanium coating provides up to 2 times the life over high speed steel. 7. Only for rotary use. |
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