Description
A perfect cobalt high speed steel twist drill bit set that does a good job in drilling metals, especially suitable for those high hardness steel such as stainless steel. 10 PCS different sized drill bits to suit various needs of your drilling work. Features: 1 are very useful doing some type of DIY , craft project and general building or engineering using. it can be used to drill holes in a variety of surfaces including thin metal, wood and plastic. 2. Straight round shank. M35 high speed steel with 5% cobalt, high hardness. 3ect for drilling high hardness metals: Iron, Aluminum, Copper, Steel espnless steel. Suit to use with hand drill chuck, bench drill, radial drill etc. 4ude 5pcs drills in different size: 3mm,3.5mm,4mm,4.5mm,5mm, which meets your various needs. Packaging Information: 3.0mm: 2pcs 3.5mm: 2pcs 4.0mm: 2pcs 4.5mm: 2pcs 5.0mm: 2pcs 1 * Plastic transparent box Safety Warning: Wear the necessary helmet and goggles when the drill is working. This drills is suitable for adult contact and use, please keep away from children. Warranty Our professional customer service team is ready to solve the after-sales problem for you. Please feel free to purchase it. For any possible defective products, please contact us first. We will do our best to make it right with either a replacement or refund.