Union Butterfield® 1585 Relieved Spiral Point Tap, Imperial, 1/2-20, UNF Thread, 3 Flutes, 3B, Plug, HSS, Bright
PREDOR 6007846
$21.42
/ EA
- Overall Length: 3-3/8 in
- Thread Standard: UNF
- Material: High Speed Steel
- Chamfer Type: Plug
- Series: 1585
- Shank Diameter - Decimal: 0.367 in
- Shank Diameter - Metric: 9.321 mm
- Size: 1/2 in -20
- Thread Length: 1-21/32 in
- Type: Relieved
- Spiral point taps are used to solve the problem of tap breakage in through hole tapping in a wide variety of materials
- The angular flutes in the cutting face propel the chips ahead of the cutting zone, thus reducing loading and clogging in the flutes
- The 1585 style features eccentrically relieved threads with full pitch diameter relief
- These taps are extremely free cutting, resulting in longer tool life
- The use of rigid tapping equipment is highly recommended with this style of tap
- Bright finish flutes improve chip flow in soft or non-ferrous materials
- 7/16 in square length
- 29/64 in tap drill size
- 0.275 in square size
- H3 thread limit
Union Butterfield® Spiral Point Tap| Relieved| Series: 1585| Measurement System Imperial| 1/2-20| UNF Thread Standard| Plug Chamfer| 3 Flutes| HSS| Bright| Class of Fit: 3B| Right Hand Cutting| 1-21/32 in Thread Length| 3-3/8 in Overall Length| 0.367 in Shank Dia