4PCS Countersink Drill Bits Set

HSS Zero Flute Countersink

Material : High speed steel 4241# （4341#， 6542#,M35可选）

Size： 2-5mm,5-10mm,10-15mm,15-20mm

Angle：118°

Surface：AlTiN

Package：Iron box

Usage：Suitable for deburring and countersinking holes in light metal and plastic.

size/set：155 mm x 109mm x 35mm

weight/set：468.6g