China 17PCS Inch Black and Deming Reduced Shank HSS Twist Drill Bit Set for Metal Stainless Steel Drilling in Aluminium Box (SED-DBS17-1), Find details about China Twist Drill Bits, Twist Drill Bits Set from 17PCS Inch Black and Deming Reduced Shank HSS Twist Drill Bit Set for Metal Stainless Steel Drilling in Aluminium Box (SED-DBS17-1)
Product Name | 17Pcs Inch Black and Gold Silver and Deming Reduced Shank HSS Drill Bit Set for Metal | |||||||||
Size | 1/2"-1": 1/2", 17/32", 9/16", 19/32", 5/8", 21/32", 11/16", 23/32", 3/4", 25/32", 13/16", 27/32", 7/8", 29/32", 15/16", 31/32", 1" Flute Length: 3", Overall Length: 6" | |||||||||
Material | HSS (HSS Cobalt M35 is Available) | |||||||||
Process | Milled | |||||||||
Point Type | 135 Degree Split Point (118 Degree Regular Point is Available) | |||||||||
Shank Type | Tri-Flats Shank (Straight Shank is Available) | |||||||||
Helix Angle | Regular Spiral Type N | |||||||||
Surface Finish | Black & Gold (Black Oxide, Titanium Coated, Black & Bright, Amber Color are Available) | |||||||||
Package | 17 Pcs Packed in One Aluminium Box | |||||||||
Features | 1. HSS drill bit sets have extremely high hardness, in the drilling work has excellent processing performance, all grinding sharp ligament sticky milling work hole smooth no burr. copper and aluminum die steel alloy steel. |