Hex Shank Faucets Bit/Set 1/4in Shanks Rust Resistance High Speed Steel Spiral Connection for Drilling Feature:1. 6 different sizes: from M3 to M10, there are 6 different sizes of 1/4in Hex Shank Faucets to touch different threads2. Spiral groove design: the faucet adopts spiral groove design, which has better chip removal effect and smooth threading.3. High-speed steel: These faucets are made of high-speed steel, which has high hardness and rust resistance and is more accurate4. Quick Change Handle: The pop-up quick change handle can be adjusted to fit the tap to work in difficult places. Installation is simple, convenient and practical5. Application: used for drilling, tapping, chamfering, drilling holes in wood, copper, brass, aluminum, metal plates and plasticsSpecification:Item Type: spiral tap combinationMaterial: high speed steelApplication: used for drilling, tapping, chamferTouch Specification: approx. M3x0.5mm/0.02in, M4x0.7mm/0.03in, M5x0.8mm/0.031in, M6x1mm/0.04in, M8x1.25mm/0.05in, M10x1.5mm/0.06inShank Type: Hex HandleShank Size: 1/4inList Package:6 x Faucet1 x Quick Change Handle Pops OutNote:When faucets are used for drilling, please bring protective equipment with you to prevent debris from splashing and hurting yourself. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.