RELAX 6pcs Titanium Coated HSS Twist Drill Bit Set Serrated Grooving Spiral Drill Bit Set Metric Precision Punching Drill Bit Fast Cutting Masonry Drill Bit for Metal Wood Plastic

Strong & Durable: These twist drill bits are made of premium high speed steel with titanium coated high wear and heat resistant anti-rust treatment and a reinforced head prevents bit cracking and provides a longer life. Precise & Efficient: Twist drill bits with sharp grinding carbide tips can provide faster start and less walking in wood plastic and metal. Wide slot design provides fast dust removal capability and reduces heat. Spiral Groove Design: Fully ground spiral flutes are designed to quickly reduce friction and heat for faster cooler drilling performance. For drilling and cutting new threads while you get a smooth tapping experience. Multiple Size: Our twist drill bit has 6 different sizes: M3x0.5mm M4x0.7mm M5x0.8mm M6x1.0mm M8x1.25mm M10x1.5mm which can meet your different daily need. Please make sure the size before use. Wide Application: These twist drill bits are suitable for pulling groove boring or cutting thin wood solid wood multilayer board MDF plastic board aluminum thin iron sheet aluminum alloy etc. Specification: Product name: Twist Drill Bit Material: high speed steel titanium coated Color: gold + silver Hexagonal shank: 6.35mm (1/4 ) Default value: metric system Thread size: M3 M4 M5 M6 M8 M10 Size: M3x0.5mm M4x0.7mm M5x0.8mm M6x1.0mm M8x1.25mm M10x1.5mm Application: drilling and cutting wood soft metal aluminum plate iron etc. Quantity: 6pcs Parts List: 6* Twist Drill Bit Note: 1. Please allow 1-3cm measuring deviation due to manual measurement. 2. Due to the different monitor and light effect the actual color of the item might be slightly different from the color showed on the pictures. Thank you!