Bulk-buy 2021 HSS Drill Bits Factory Customized Hex
C: Cross Tapered Bit Top Head Diameters: From 29mm to 41mm. D: Customer-made Cross Tapered Bits are also available by order. E: Taper Connection Degree: 7, 11,12. F: Hex Drill Rods Matched: Hex22, Hex25. G: Steels Material Chemical Name:42CrMo 45CrNiMoV(By Request) H: Processing: Forging. Application ofHex22 Tapered Bits:
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