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Product: amoolo Cobalt Drill Bit Set (1/16"-1/4",13 Pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood Amoolo M35 Cobalt Twist Drill Bit Set 13 Pcs 【Specifications】 −Material: High-Speed Steel M35 Cobalt (5% Cobalt) −Split Point: 135° −Process: Fully Ground −Flute Type: Spiral −Shank Type: Straight Round Shank −Applications: Perfectly suitable for Hard Metals, such as Stainless Steel and Cast Iron 【What does the set include?】 13 most commonly-used sizes - 1/16” (1.59mm); 5/64” (1.98mm); 3/32” (2.38mm); 7/64” ( 2.78mm);1/8” (3.18mm); 9/64” (3.57mm); 5/32” (3.97mm); 11/64” (4.37mm);3/16” (4.76mm); 13/64” (5.16mm); 7/32” (5.56mm); 15/64” (5.95mm); 1/4” (6.35mm) 【What is M35 Cobalt?】 ►The addition of 5% cobalt increases drill bit’s heat and wear resistance, which makes it perfectly suitable for Stainless Steel and Cast Iron. M35 Cobalt steel drill bits can penetrate a 5mm-thick 304 stainless steel plate in 5 seconds. ►While the 5% cobalt makes the bits much more durable,it also makes them more brittle than ordinary HSS bits under improper usage. 【How to use this Drill Bit? Here are some warm tips】 ►Keep the bit vertical and fixation while drilling. ►To avoid drill bit break, 1/16” or smaller bits are suggested used with pin vise. ►Pay attention to the cooling of the bit, adding water or coolant when drilling can increase the life of the bit. 【Warranty: 90 Days】 No worries! Your satisfaction is our ultimate goal. If you have any questions or concerns about our products, please do not hesitate to contact our customer service team support@amoolo.com, we will respond within 12 hours. 【Why choose Amoolo?】 Amoolo - Craft the future! Amoolo is ONE STOP SHOP for ALL TOOL ACCESSORIES. We have years of OEM experience for international well-known brands. We are committed to providing the best quality products at a affordable price. Amoolo is always by your side to craft your desk, living room, home even the future! 【Premium Quality】Made of industry grade 6542 high speed steel, Cobalt twist drill bits are harder than 4241/4341 HSS used in other similar bits, ideal for heavy duty hole drilling. They contain 5% cobalt material, increasing wear-resistance and durability.
【Most Commonly-Used 13 Sizes】A complete combo set of 13 jobber length industrial drill bits for metal drilling (1/16",5/64",3/32",7/64",1/8",9/64",5/32",11/64",3/16",13/64",7/32",15/64",1/4") . They fit the majority of power drill currently on the market and comes with a portable plastic case for easy storage and organization.
【Precise & Efficient Drilling Performance】✔ Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. ✔ 135° Split Point with round straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. 🚫NOT for Glass or Ceramic Materials. 🚫NOT for High Carbon Steel and Heat-Treated Steel. ✔ Pay attention to speed, pressure and heat control during drilling.
【90 Days Warranty】At Amoolo, we center on customer satisfaction. Get your drill bits today along with our 90-day Hassle-Free Warranty Policy, exchange or refund guaranteed for any product defect! amoolo