Description: Metric M42 8% Cobalt Drill Bits for Stainless Steel and Hard Metal (3.0mm x 5pcs) Product Overview Product Advantages: (1) Sharp Edge starts drilling immediately with less force and eliminates "walking" across the work surface. (2) Holds up generic high-speed steel,Cobalt gives high-speed steel more heat and wear resistance. (3) This drill bits set is made of Premium Cobalt (80,000 dollars per ton). (4) The M42 metric cobalt drill bits can cut through Stainless steel and Hard metal,Hard wood, although they can be used for softer materials such as Aluminum,Plastic. Some Important Tips about drilling stainless steel and hard metal: (1)Controling the drill speed from 200 to 1000 RPM would make it easier for you to drill holes on stainless steel. ________________________________ Stainless Steel ____________________________ Drill diameter RPM ____________________________ ≤5mm 1000~700 ____________________________ 5-10mm 700~350 ____________________________ 10-15mm 350~200 ________________________________ (2)Add stainless steel tapping oil or engine oil to prevent the stainless steel from overheating and forming a very hard oxide layer.It also works adding some vinegar,soy sauce or water if you don't have engine oil. Key Features Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Heat,Wear and Chip Resistance and Long Tool Life. For Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic and Hardwood. This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes. The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather Slowly Grinding Throng the Material with a Blunt Drill Bit. The Bits of 3.5mm and above are Designed with 3 Steps.This 3mm x 5pcs M42 Cobalt Drill Bits are Common Drill Edge Design. Return Policy ⦿ You may return the item within 30 days. Contact us via eBay messaging for return instructions. ⦿ We guarantee your satisfaction. Any issues will be resolved promptly. ⦿ Free shipping and returns with a 30-day money-back guarantee. ⦿ Please contact us for the return shipping address. Shipping Information ⦿ We ship to the address provided on eBay. Please ensure it is accurate. ⦿ Standard delivery time is 3-5 business days. ⦿ We use reputable shipping services such as UPS, FedEx, and USPS. ⦿ Currently, we ship only within the 48 contiguous states of the USA. ⦿ For any shipping concerns, feel free to contact us. Customer Support ⦿ For any inquiries, please contact us via eBay messaging. We typically respond within 24 hours. ⦿ Customer satisfaction is our top priority. ⦿ If you encounter any issues, please contact us before leaving feedback, and we will do our best to resolve them. About Us We are committed to providing high-quality products at competitive prices, ensuring that our customers receive the best value. Our team is dedicated to delivering exceptional customer service and a seamless shopping experience. With years of experience in the industry, we have established strong relationships with suppliers, enabling us to offer a diverse range of products. We continuously strive to expand our product selection and improve our services to exceed customer expectations. Our mission is to achieve 100% customer satisfaction by addressing any concerns promptly and effectively. Thank you for choosing our store. We look forward to serving you again and making your shopping experience delightful.
Price: 21.2 USD
Location: Joliet, Illinois
End Time: 2025-01-22T11:50:41.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Size: 3.0mmx5pcs (common edge design)
UPC: Does not apply
MPN: Does not apply
Shipping: Free and Fast Two-day shipping.
Free Return: 30-Days Money Back Guarantee
Brand: STROTON
Tax: This item without tax.
EAN: Does not apply
Material: Does not apply
Package Dimensions LxWxH: 3.98x3.9x0.55 Inches
Weight: 0.07 Pounds
Type: Does not apply
Model: Does not apply
