Stepper bit for drilling or enlarging holes of different sizes in metal
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- Material composition: HSS M2 steel
- Tool type: SF 14-A, SF 18, SF 22-A, SFC 14-A, SFC 18, SFC 22-A, SFH 14-A, SFH 18, SFH 22-A
- Base material: Metal
- High-speed steel drill bit with a split point for accurate drilling
- Diameter markings on inner edge for greater convenience
- Drilling through thin sheet metal in electrical and building applications