Material: HSS
Fit 1/4"(6.3mm) adapter
Diameter: 9mm 9.5mm(3/8")
Total Length: Approx. 16cm/6.29"
Shank: 1/4" Hex or Round
Works with standard chucks of 9.5mm(3/8")dia.
Small tip includes clearance hole for screw shank
Large diameter creates flat-bottomed hole
Recommended for use with corded high-rpm drills
Perfect for use with pocket hole guides
3/8"(9.5mm) diameter bits step down to about 4.3-4.4mm
Come with wrench and limit ring