| Product Name | 15Pcs Inch Black Oxide Fully Ground HSS Twist Drill Bit Set for Metal Stainless Steel Aluminium | |||||||||
| Size | 1/16"-1/2": 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2" | |||||||||
| Material | HSS (HSS Cobalt M35 is Available) | |||||||||
| Process | Fully Ground (Rolled & Polished, Rolled, Milled are Available) | |||||||||
| Point Type | 118 Degree Regular Point (135 Degree Split Point is Available) | |||||||||
| Shank Type | Straight Shank (Hex Shank, Reduced Shank are Available) | |||||||||
| Helix Angle | Regular Spiral Type N (Fast Spiral Type W, Left Hand Spiral are Available) | |||||||||
| Surface Finish | Black Oxide (Bright, Amber Color, Titanium Coated, Black & Gold are Available) | |||||||||
| Package | 15 Pcs Packed in One Metal 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. | |||||||||