| Product Name | 33Pcs 1/2 Inch Reduced Shank Black&Amber Drill Bit Set for Metal Stainless Steel Iron Drilling | |||||||||
| Size | 1/2" to 1" by 1/64": 1/2", 33/64", 17/32", 35/64", 9/16", 37/64", 19/32", 39/64", 5/8", 41/64", 21/32", 43/64", 11/16", 45/64", 23/32", 47/64", 3/4", 49/64", 25/32", 51/64", 13/16", 53/64", 27/32", 55/64", 7/8", 57/64", 29/32", 59/64", 15/16", 61/64", 31/32", 63/64", 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 & Amber (Black Oxide, Titanium Coated, Black & Bright, Amber Color are Available) | |||||||||
| Package | 33 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. | |||||||||