Tungsten carbide tip
flat shank
Straight tip
Size:3mm,4mm,5mm,6mm,8mm,10mm,12mm
Precise and Smooth drilling
Quick release hex shank
cross tips
Precise and fast drilling
Hex shank
Smooth drilling
Cross tips
Round shank
Twist flute design
Suitable for stone,glass,wood,metal etc
Smooth and precise drilling