Incremental Sheet Drilling Attachment for 3-Piece Set Step Drill Bit
3-Piece Incremental Step Drill Bit Sheet Drilling Set made of 3 pieces of high-speed steel step drill bits.
Cutting without cracking with the double flute system. 1st Drill: 4, 6, 8, 10, 12 mm 2nd Drill: 4, 6, 8, 10, 12, 14, 16, 18, 20 mm 3rd Drill: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm Tin coating 6 times more durable than normal HSS bits.
Package Contents
3 pieces of 3 sizes sheet drilling attachments
