uxcell Thread Milling Threading Tap 1/4"-20 UNC, Left Hand Machine HSS (High Speed Steel) 6542 Uncoated 3 Straight Flutes 2B Tolerance Grade for Threading Machine Electric Drill DIY

Specifications:Thread Size: 1/4"-20 UNCThread Length: 28mm / 1.1"Total Length: 69mm / 2.72"Square End Size: 5mm x 5mm / 0.2" x 0.2"Thread Tolerance Grade: 2BCutting Direction: Left HandMaterial: High Speed Steel (HSS 6542)Finish: UncoatedPackage: 1 x Threading TapDescriptions:1. Straight flute design, downward chip removal. Left hand thread cutting, clear threads, fast tapping with accuracy.2. High-speed steel tool is with high hardness and toughness for wear resistance. Features just the base substrate without any additional coatings, suitable for wide ranges of applications.3. Suitable for processing through holes. Great for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc..4. Used on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps.5. Machine taps are suggested to be used with tap collets with overload protection. Hand use is easy to cause breakage to the tap due to uneven force.