4-12mm 4-20mm 4-32mm HSS Cone Drill Bit Set Step Drill Bit Set

Feature: 【Premium Quality】 Our step drill bits are made of high-speed steel with added titanium, making them harder than standard HSS bits and ideal for cutting non-ferrous metals, plastic, wood boards, and more.

【Quick Change】 The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools.

Specification: Material：High Speed Steel

Type1 Package List： 1 * Drill Bit 4-12mm

Type2 Package List： 1 * Drill Bit 4-20mm

Type3 Package List： 1 * Drill Bit 4-32mm

Type4 Package List： 1 * Drill Bit 4-12mm 1 * Drill Bit 4-20mm 1 * Drill Bit 4-32mm 1 * Bag