Features:
1.The countersink drill bit is six-edged design with 90-degree chamfering, the chamfered surface is smooth and flat.
2.Fast chip removal and smooth drilling
3.Suitable for drilling, burr removal and chamfering, trimming holes in wood boards, plastic and other materials.
Specifications:
Material: high-carbon steel
Size:
the bit head diameter: about 0.47in/12mm
Length: about 1.46in/37mm
Handle diameter: 1/4in (0.27in/6.8mm)
Package Include:
8pcs x six-edge flute countersink drill bits