3pc Cobalt Drill Bit Set HSS 3-8mm Composite Tap Metric Screw Drill Bit

Features: 【Combo Set of 6 Sizes】 6 most commonly-used sizes to satisfy all your needs. This drill bits set fits the majority of power drill currently on the market and come with a portable plastic bag for easy storage and organization. 【M35 Cobalt High-Speed Steel】 Industry grade 6542 high-speed steel drill bit set harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt which increases wear-resistance and durability. 【Fully Ground Process & 135-degree Split Point】 Fully ground spiral groove design quickly decreases friction and heat for a faster and cooler drilling performance. 135-degree split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed. 【Multiple Application】 Suitable for Cutting Hard Metal such as Stainless Steel Steel and Cast Iron as well as Wood Aluminum Alloy and Other Softer Metals including tiles concrete tiles bricks wood plastic glass masonry and more. 【Work Efficiently】 The product has sharp edges and high drilling efficiency. The center of the product has sharp serrations and with its help the drill can continue to drill horizontally after drilling. Specification: Product: 3-8mm Titanium Coated Hss Drill Bits Set Materials: High-Speed Steel Tool handle type: round handle Blade size: 3-8 Maximum depth of cut: 45 Blade length: 56 (mm) Overall length: 98 (mm) Shank diameter: 3 (mm) Category: Broaching bits Diameter * full length: 8*98 Quantity:3pcs Usage Scenarios Suitable for holing cutting on wood soft metal aluminum plate iron etc. Package Contents:(optional) Set A: 1 x 3mm Serrated drill 1 x 4mm Serrated drill 1 x 5mm Serrated drill Set B: 1 x 6mm Serrated drill 1 x 6.5mm Serrated drill 1 x 8mm Serrated drill Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.