Rating Systems:DIN

Reducing the Posibility of Contamination

Tooth Pitch: 14 TPI

Sturdy Case With Protective Bumpers & Built In Hanging Hook

Includes left and right-handed thrust bolt assemblies

Faithfull Step Drill Set HSS 3 Piece 4-14mm 6-20mm 6-30mm Hole Cutter Size_14.0mm Rating Systems:DINFaithfull Step Drill Set HSS 3 Piece 4 14mm 6 20mm 6 30mm Hole Cutter Step drills are used for cutting varying hole sizes in material up to 4mm thick without changing the drill bit. Each drill cuts parallel holes within a specific size range, rising in 2mm increments Made from HSS (High Speed Steel) Supplied in a metal storage case Set of 3 consisting 1 of each 4 14mm, 6 20mm, 6 30mm