Surface treatment: titanize
HSS Titanium Coated Step Drill
Material: HSS 4241
Cutting material: thin iron plate, aluminum material, insulating board, PVC board.
The wood thickness is within 5mm. A drill bit can make a variety of holes
Large 4-20mm Stufenbohrer - 4-6-8-10-12-14-16-18-20 mm
Shank: 1/4 Hexagonal pattern
Item specifics - Brand Name: thinkingleader
- DIY Supplies: Metalworking
- Certification: NONE
- Type: Center Drill Bit
- Origin: CN(Origin)
- length: 72.85mm
- Use: Metal Drilling
- Model Number: 4-12mm/4-20mm
- is_customized: Yes
- Material: High-Speed Steel