Type : Twist Drill Bit
Material : 45# Carbon Steel, 40Cr steel
Use : Masonry Drilling
Packing : PVC bag, plastic box, paper card or required
Sample Lead Time : 7-10 Days
Processing : Roll forged/Milled
MOQ : 100 pcs 5mm
HRC : 63-66
Sharpening : 130 Degree
Surface : sand blasted, chrome
Flute : L, U, R flute, High helix
Tip material : YG8, YG8C
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