| Product Name | 19Pcs Metric Black and Amber HSS twist Drill Bits Set | |||||||||
| Size | 2mm-10mm: 2Pcs: 3mm, 4mm 1Pcs: 2, 2.5, 3.5, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10mm | |||||||||
| Material | HSS (HSS Cobalt M35 is Available) | |||||||||
| Process | Fully Ground (Rolled & Polished, Rolled, Milled are Available) | |||||||||
| Point Type | 135 Degree Turbo Max Point (118 Degree Split Point is Available) | |||||||||
| Shank Type | Hex Shank (Straight Shank, Reduced Shank are Available) | |||||||||
| Helix Angle | Regular Spiral Type N | |||||||||
| Surface Finish | Black and amber (Bright, Amber Color, Black Oxide, Black & Gold are Available) | |||||||||
| Package | 19 Pcs Packed in One Plastic 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. | |||||||||