CH Tools HSS-E TiN Step Drill Bit 4–22mm – 10 Steps 135 Piece Brass Zerk Grease Nipple Kit Comprehensive Selection: Includes 240 pieces

Comprehensive Selection: Includes 240 pieces of assorted imperial and metric nutserts

Mill-Thread Insert – ISO 3

The satin chrome-plated scale provides clear

Part Number: 22436

CH Tools HSS-E TiN Step Drill Bit 4–22mm – 10 Steps 135 Piece Brass Zerk Grease Nipple Kit Comprehensive Selection: Includes 240 piecesCH Tools HSS E TiN Step Drill Bit 422mm 10 Steps, Hex Shank The CH Tools HSS E Step Drill Bit is designed for fast, accurate enlargement of holes in sheet metal, plastics, and thin walled materials. Manufactured from premium HSS E (High Speed Steel with Cobalt) and finished with a Titanium Nitride (TiN) coating, this step drill delivers superior wear resistance, reduced friction, and extended tool life in demanding workshop and fabrication