Efficere 40-Piece Premium Tap And Die Set, Metric Screw Threads M3, M4, M5, M6, Product Details EFFICERE 40-Piece All-In-One Tap and Die Set for Metric Screw Threads is the perfect choice for your hand threading and rethreading works at home, garage, shop and other jobsites. It serves a wide range of applications such as general thread cutting and fixing for rod, bolt, nut and other fasteners, auto repairs for mechanics, machinery and equipment maintenance, metal fabrication, woodworking and a lot more. Set Includes: Tap and Die Sizes: ? WIDE APPLICATIONS: Perfect kit to create new threads, chase existing threads, or repair damaged threads on most metals like aluminum, brass, bronze, cast iron, mild steel, carbon steel, stainless steel and more ? PREMIUM QUALITY: Industrial grade hardened GCr-15 alloy steel construction provides maximum strength and durability, and meets ANSI/ASME B1.13M and ISO standards for guaranteed quality ? EXCELLENT CUTTING PERFORMANCE: All cutting teeth are precisely CNC machined and accurately heat treated to Rockwell hardness 60 HRC for best threading performance ? MOST POPULAR SIZE: Includes a full range of most commonly used tap die sizes for metric screw threads (M-Series). Coarse Thread: M3x0.5, M3x0.6, M4x0.7, M4x0.75, M5x0.8, M5x0.9, M6x1.0, M7x1.0, M8x1.25, M10x1.5, M12x1.75; Fine Thread: M6x0.75, M7x0.75, M8x1.0, M10x1.25, M12x1.5; Pipe Thread (NPT): 1/8-27 ? ALL-IN-ONE SET: Set completes with all the parts and accessories that you need for your threading or rethreading jobs: tap wrenches, die stock, thread pitch gauge, screwdriver, plus a heavy duty carry case for easy organizing and storage Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.