🎄 Thread diameter (D): 7/16'', Matching drill bit size: 0.3875inch/9.84mm; Die diameter: 29mm , Die thickness : 10mm
🎄 Application: Cutting Tools & Consumables, carbon steel,alloy steel and cast iron hole processing etc.Can be used in general purpose applications for both ferrous and non-ferrous materials
🎄 Material: High speed steel (HSS) provides good wear-resistance
🎄 Advantage: sharp edge, hard teeth and wear-resistant, and the chip is smooth,suitable for most applications in shallow cutting.