Machine Tap, 2-56 & 4-40 UNC 2B Class 3 Straight Flutes High Speed Steel Screw Thread Threading Milling Tap with Protective Box 4pcs

Key Features

• Thread Size #2-56 UNC,4-40 UNC; Class 2B
• Shank Side Width 2.2mm / 0.1 inch,2.4mm / 0.1 inch; Thread Length 12mm / 0.47 inch, 17mm / 0.67 inch
• Material HSS (High Speed Steel); Total Length 46mm / 1.8 inch, 52mm / 2 inch
• Straight 3 flutes are ground to provide rapid chip removal for efficient threading.
• Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron.

Product Description

Thread Size: #2-56 UNC,4-40 UNC; Class: 2B Shank Side Width: 2.2mm / 0.1 inch,2.4mm / 0.1 inch; Thread Length: 12mm / 0.47 inch, 17mm / 0.67 inch Material: HSS (High Speed Steel); Total Length: 46mm / 1.8 inch, 52mm / 2 inch Straight 3 flutes are ground to provide rapid chip removal for efficient threading. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron. ›