SKU: rolson 48890
EAN: 5029594488907
MPN: 48890
3pc HSS titanium coated step drill bit set. Titanium nitride coated for durability. Sizes 4 -12mm, 4 – 20mm, 4 – 32mm. Steps in 2mm increments. 1/4" Dr. hex shank. Automatically deburrs holes as you drill. For sheet metal, fiberglass and sheet plastic.