5PC SAE TITANIUM STEP BIT SET

This Compact Set Replaces 50 Individual Drill Bits Manufactured With Heat Treated HSS Coated With Titanium Nitride, Two Flute Desig For Drilling Holes in Thin Material Such as Steel, Stainless Steel, Copper, Alum 3/16" to 1/2" Six Step Bit 1/4" Shank 1/4" to 3/4" Nine Step Bit 1/4" Shank 1/8" to 1/2" Thirteen Step Bit 3/8" Shank 1/4" to 1-3/8" Ten Step Bit 3/8" Shank 3/16" to 7/8" Twelve Step Bit 3/8" Shank