High-speed steel 0.4mm micro drill bits (10-pack) for precision work in metal, wood & electronics. Heat-resistant & durable.
The RARAION 0.4mm HSS Micro Drill Bits are precision-engineered from high-speed steel (HSS), offering superior hardness and heat resistance compared to traditional carbon steel bits. These bits excel in drilling through metal, hardwood, and various other materials at higher cutting speeds, making them an essential tool for precision work.
Each pack contains 10 high-quality micro twist drills with straight shanks, perfect for use in hand-held drill holders. Their compact 0.4mm size allows for detailed work in electronics, jewellery making, and other fine applications where accuracy is crucial.
Key Features
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicyWe take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.