Bestgle 6pcs HSS Twist Drill Bits, 3-8mm Titanium Coated Serrated Grooving Cutting Carpenter Side Cutting Tap Spiral Saw Drill Bit Woodworking Wood Metal Plastic Hole Holesaw Tool

• Material: High Speed Steel 4241. Surface Treatment: Titanium Coated. Hardness up to 60-63HRC.
• Cutting Diameter 3.0mm, 4.0mm, 5.0mm, 6.0mm, 6.5mm, 8.0mm. The round shank is suitable for electric drills and bench drills
• The 135 ° split point makes drilling faster and more effective, which can continue to drill horizontally after drilling.
• Fully ground spiral groove design quickly decreases friction and heat for a faster and cooler drilling performance.
• Suitable for pulling groove, boring or cutting 1mm-2mm of thin wood, solid wood, multilayer board, MDF, plastic board, aluminum, thin iron sheet, aluminum alloy.

HIGH QUALITY These are made of HSS material with titanium coated, drill bits body edge sharp, faster with less effort. WORK EFFICIENTLY 135° blade edge and the sharp serrations belt design, makes drilling faster and more effective which can continue to drill horizontally after drilling. INCLUDING 6 SIZES 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm, which can meet your daily need. WIDE APPLICATION Suitable for pulling groove, boring or cutting 1mm-2mm of thin wood, solid wood, multilayer board, MDF, plastic board, aluminum, thin iron sheet, aluminum alloy. Kindly Note Not suitable for concrete, masonry ,etc. Specification: Material: HSS 4241 Surface treatment: Titanium Coated Angle Point: 135 Degree Characteristics: Hardness up to 60-63HRC Size: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm Suitable for thin wood, metal, plastic plates pull grooving Package Included: 6pcs x Drill Bit