Metal Step Drill Bit Set for Hard Steel, Cone Drill Bit Multiple Hole Cutter(4-32mm), Cone Cutters for Metal Wood Stainless Steel

• 【Spiral groove design】The spiral groove design of the step drill bit provides smoother cutting, allowing material particles to escape easily, making the drilling operation cleaner.
• 【2-in-1 process】The precision step design and forked tip of the tapered cutting drill bit provide excellent cutting speed and accuracy, while also preventing slipping during drilling, so you can get professional results every time.
• 【Smoother cutting】The high step design allows you to feel the stop and never drill bigger by mistake.
• 【Multiple sizes】Ranging in size from 4mm to 32mm, this set allows you to cut multiple hole sizes with the same drill bit, saving you time and energy without having to constantly change drill bits.
• 【Cutting materials】Suitable for thin iron plates, aluminum, insulation boards, PVC boards, wood thickness within 4mm, and workpiece hardness below 25°.

Features: 【3 FLUTE SPIRAL GROOVED DESIGN】The 3-flute spiral grooved design of step bit provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation. 【UNIQUE DESIGN】Easy to position, self-centering, open design, triangular handle clamping and tightening, not easy to slip, improve processing efficiency, suitable for chamfering, hole opening, rounding, deburring 【CUTTING MATERIAL】Suitable for thin iron plate, aluminum material, insulation board, PVC board, and the wood thickness is within 4mm in the hardness of 25° below the workpiece. 【MEET YOUR DEMANDS】 With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Suitable for home DIY, and general building/engineering use. 【MULTI FUNCTIONAL】Step drill bit applied to impact drivers, drill press, and power drills/drivers. indispensable tool for carrying out precision work with good control of the hole diameter. Specifications: Type: Step Drill Bit Material: High Speed Steel Color: Silver Size(L*W*Shank Dia): About 101x31.5x10mm/3.98x1.24x0.39inch Package Included: 1pc x Step Drill Bit Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.