Purchase Qty. Reference FOB Price
2-29 Pieces US$10.04
30-49 Pieces US$9.54
50-99 Pieces US$9.04
100+ Pieces US$8.84
Product Description
New Design Spiral Flute Long Type Twist Drill Bits for Deep Hole Products Function: 1.HRC: HRC45 HRC55 HRC58 HRC60 HRC65 2.Coated: AlTiN, TiAlN, TiAISI,TiSiN, TiN, DLC,Nano, Diamond 3.Could be used for the processing of copper, cast iron, carbon steel, mould steel, stainless steel, ...