High Hardness Copper Mini Drill Collet Chuck 10pcs 4 8mm Shank Adapter
USD 7.62 USD
Specifications
| Size | 4.2mm |
| Brand | Unbranded |
Made of pure copper material, specially heat-treated, high hardness. 0.5MM 0.3-0.6Drill. 0.8MM 0.6-0.9Drill. 1MM 0.8-1.1Drill. 1.2MM 1-1.3Drill. 1.5MM 1.3-1.5Drill. 1.8MM 1.6-1.9Drill. 2.0MM 1.7-2.1Drill.