Metric Tap and Die Set: Thread size: x 1 (right hand); tap total length:80mm/3.15Inch; tap thread length:21mm/0.83Inch; tap square shank width:7mm/0.28Inch; tap accuracy:H2; die outside diameter:38mm/1.5Inch; die thickness:10mm/0.39Inch Widely Used: Accurately cut, repair or clean threads. Straight flute tap process through or shallow blind holes and remove chips downward. Die is suitable for threads on rods, bolts, screws, pipes and shafts, or just remove bolts and threaded rods. Great for most metals, iron, copper, zinc, alloy steel, abrasive steel, stainless steel, etc. Features: Tap & die with clear threads without burrs, right hand tapping direction. Thread die designed with conical lock hole, strong locking force and no loosening. Uncoated tools feature just the base substrate, great for a wide range of applications. Reliable Material: M2 (6542) high-speed steel taps offer high hardness, good toughness, wear resistance, and excellent cutting performance. 9SiCr alloy tool steel die provides excellent hardness, toughness and wear resistance for durability. How to Use: Die is used with die stock wrench (not included). The fastening screw in the middle of the wrench should be inserted into the slot of the die and tightened. Machine tap is used in drill presses, tapping, CNC and milling machines. Apply appropriate cutting lubricant or oil for higher quality threads and more tools. Colour:As Shown Material:High Speed Steel Package Contents: 3 * Tap and Die Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.