Dheera 5pcs Cobalt Step Drill Bit Set Cone Step Drill Bit Tools

Features: 1. Premium quality materials made durable and sturdy. 2. Step shape can drill various hole with this drill heads. 3. Convenient to use hard and sturdy. 4. Wide use burr removing drilling etc suits for below 25degress equipments such as carbon steel iron board and aluminium board. Specifications: Materials: Stainless steel Size: 1/4-1-3/8 3/16-7/8 1/4-3/4 1/8-1/2 3/16-1/12Type:Twist Drill BitDIY Supplies:MetalworkingMaterial:High Speed SteelUse:Metal Drilling