STEP DRILL BIT 4-30mm

Stepped Drill Bit 4-30 Mm Yellow Titanium Cone Hole Punch

• Areas of Use: Almost all thin materials such as iron, metals, sheet metal, plastic or stainless steel
• Stepped sheet metal punch made of high speed steel
• Burr-free holes in fine sheets without pre-drilling
• Deburring, for round holes, drilling different diameters with a single drill bit, widening of existing holes
• Spiral flute for longer life, less vibration and faster drilling
• Diameter marking on both spirals
• 3-surface shank to prevent slipping in the chuck
• Ability to drill holes with diameters of 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 mm
• Thanks to the centering tip, there is no need to drill a pilot hole for large diameter drilling operations.
• Cutting without cracking with double groove system
• 14 different sized holes can be opened with a single drill bit.
• Tin coating that is 6 times more durable than normal HSS tips
• Used on soft, laminated wood, plywood, plastic,  plasterboard and sheet metal
• Suitable for drilling holes of different diameters in electrical panels and junction boxes.
• With this product, it is possible to perform drilling operations in different diameters without changing the tip.
• Surface: Titanium Coating