To reduce excessive pressure

To increase chip removed rate

To reduce penetration and pinning

To increase penetration and pinning

To cut soft metal

To cut high speed steel

To cut high carbon steel

To cut conduit and other thin tubes

8.8 mm

8.7 mm

8.75 mm

8.65 mm

Lip

Web

Point

Shank

Anvil

Thimble

Spindle lock

Ratchet stop