[VERSATILE DRILLING RANGE] This high performance step drill bit offers a wide drilling range from 3/16 inch to 1 3/8 inch allowing you to create multiple hole sizes with a single tool. for various applications from electrical work to plumbing it significantly improves your work efficiency by eliminating the need for multiple drill bits.
[DURABLE HEX SHANK DESIGN] Featuring a sturdy 3/8 inch hex shank this step drill bit ensures secure gripping in all standard drill chucks preventing slippage during operation. The hex design provides better torque transmission making it ideal for heavy duty drilling tasks in both professional workshops and DIY home projects.
[PREMIUM HIGH SPEED STEEL] Crafted from top grade M2 high speed steel with nitriding surface treatment this step bit delivers exceptional hardness and wear resistance. The enhanced durability means longer tool life and consistent performance even under high speed drilling conditions in tough materials.
[EFFICIENT CHIP REMOVAL] The innovative straight flute design facilitates smooth and fast chip ejection during drilling operations. This clever engineering prevents clogging reduces heat buildup and ensures cleaner holes for precision work in metal sheets wood panels and plastic materials up to 0.2 inch thickness.
[MULTI MATERIAL COMPATIBILITY] Designed to handle various materials including thin metal plates wooden boards and PVC pipes this versatile step drill bit is a must have for electricians carpenters and DIY enthusiasts. Its strong practicability makes it suitable for both professional tradespeople and home improvement projects.

Spec:
Item Type: Hex Shank Step Drill
Material: M2 High Speed Steel
Surface: Nitriding Treatment
Tool Diameter(in): 3/16, 9/32, 3/8, 7/16, 17/32, 5/8, 11/16, 25/32, 7/8, 29/32, 1, 1-1/16, 1-1/8, 1-5/32, 1-7/32, 1-9/32, 1-5/16, 1-3/8
Working Length: Approx. 58mm / 2.3in
Total Length: Approx. 88mm / 3.5in

Package