ZVD Metal Countersunk Head Bits, 3 pcs 4-12/20/32mm Metal Countersunk Head Bits Triangular Tapered Hex Countersunk Bits Stainless Steel Metal Titanium

Specifications: 4-32 mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm) 6.35 MM shank 4-20 mm (4, 6, 8, 10, 12, 14, 16, 18, 20 mm) 6.35 mm shank 4-12 mm (4, 5, 6, 7, 8, 9, 10, 11, 12 mm) 6.35 mm shank 【Strong, rust-proof high-speed steel 】Made of high-quality high-speed steel for fast cutting of thin materials. HSS is extremely durable and the bits are rust-proof. At the same time, our drill bits are suitable for electric screwdrivers. 【Application 】The step drill is suitable for DIY, home and construction. Ideal for drilling holes in various materials such as steel/brass/wood/plastic/sheet metal/aluminum/insulation board/PVC board. Only suitable for ordinary aluminum, iron, steel plate (thickness cannot exceed 4mm, hardness less than 25HRC), not suitable for stainless steel