DIY, HSS Step drill. Straight flute

High Quality 32mm M35 HSS Straight Flute Step Drill Bit for Stainless Steel Metal - China Step Drill Bit 4-32mm, Best Step Drill Bit for Stainless Steel

Bristol 6-40mm 12 Step Step Drill Straight Flute BTWSD6-40

M35 Cobalt Four Spiral Flutes Step Drill Bits for Metal

Products

HSS Step Drill Bits 4mm-32mm Straight Flute Power Tools 1/4 Hex Shank Wholesale Price 15 Steps Metal Drilling Titanium - Price history & Review, AliExpress Seller - Mr Drill Store

SharCreatives 6 Pieces Titanium Coated Straight Flute Step Drill Bit Set. 5 High Speed Steel Step Drill Bits and Automatic Center Punch in Aluminum Box 50 Sizes Total : Industrial & Scientific

Xtorque XSDS3 3pce HSS Metric Step Drill Straight Flute M2 Set - AUSTRALIA BRAND

Straight Flute, 3keego Cutting Tools

The new face of toolant features a four-flute design. Made of M2 High Speed Steel, these step drill bits keep the exact fast drilling speed and good chip removal efficiency. It is designed with a 1/4 hex shank, compatible with drills and impact drivers.