Union Butterfield® 1500 General Purpose Straight Flute Hand Tap, Imperial, 1/4-28, UNF Thread, 4 Flutes, 2B/3B, HSS

• The most versatile taps for hand use or machine tapping in a wide variety of materials in through or blind hole applications
• A medium alloyed high speed steel that has good machinability and good performance
• HSS exhibits hardness, toughness and wear resistance characteristics that make it attractive in a wide range of applications
• 0.191 in square size
• 5/16 in square length
• 1.5XD depth of cut
• 1P-2P chamfer
• H3 thread limit

Union Butterfield® Straight Flute Hand Tap| General Purpose| Series: 1500| Measurement System Imperial| 1/4-28| UNF| Bottoming Chamfer| 4 Flutes| HSS| Bright| Class of Fit: 2B/3B| Right Hand Cutting| 1 in Thread Length| 2-1/2 in Overall Length| 0.255 in Shank Dia