| Product Name | 20pcs HSS Mini Micro Drill Bits Set for Watch Tool Precision Craft and Hobby Work Drilling | |||||||||
| Size | 0.3mm-1.6mm: 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, 0.95mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm. | |||||||||
| Material | HSS (HSS Cobalt M35 is Available) | |||||||||
| Process | Fully Ground (Rolled, Rolled & Polished, 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 | |||||||||
| Surface Finish | Bright (Black Oxide, Amber Color, Titanium Coated, Black & Gold are Available) | |||||||||
| Package | 20 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. and aluminum die steel alloy steel. | |||||||||