HSS Drill Bits 3pcs Step Cone Titanium Hole Cutter Set 4-20mm

3pcs HSS Drill Bits Step Cone Titanium Hole Cutter High Speed Steel Set 4-20mm
Name: Metric Titanium-Plated High-Speed Steel Stepped Drill Small 3 Pc Set (Hexagonal Handle)
Material: High Speed Steel 4241 (Suitable for Workpieces with Hardness below 25, Such as Thin Iron Plate, Insulation Plate and Wood Board)
Specifications:
3-12:10 Steps: 3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm
4-20:9 Steps: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm
4-12: 5 Steps : 4mm,6mm,8mm,10mm,12mm
Surface Treatment: Titanium
Product Weight: 93g