Mũi khoan bước lục giác 3-12mm có lớp phủ kim loại

Feature : 1. Titanium coated to reduce friction and heat 2. Two flute design provides faster, smoother and cleaner cuts. 3. Heat treated and highly polished. Drill makes accurate round holes in steel, brass, plastic, wood etc Item Describe: 1. 100% Brand New and High Quality 2. Type : Hexagonal Handle Ladder Drill 3. Material: HSS 4241 4. Size: 3-12MM 5. Color: Gold Function : 3-12mm: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm Suitable for : use in the hardness of 25 ° below the workpiece, such as carbon steel, thin iron plate, insulation board, PVC board, wood, sheet thickness below 5MM Package Included: 1 x Hexagonal Stepped Drill