Union Butterfield® 1528 General Purpose Standard Machine Screw Straight Flute Hand Tap, Imperial, #12-28, 4 Flutes

• 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
• 0.165 in square size
• 9/32 in square length
• 1.5XD depth of cut
• 3P-5P chamfer
• H3 thread limit

Union Butterfield® Straight Flute Hand Tap| General Purpose Standard Machine Screw| Series: 1528| Measurement System Imperial| #12-28| Ground/UNF| Plug Chamfer| 4 Flutes| HSS| Bright| Class of Fit: 2B/3B| Right Hand Cutting| 15/16 in Thread Length| 2-3/8 in Overall Length| 0.22 in Shank Dia