Union Butterfield® Pulley Hand Tap, General Purpose Straight Flute, Series: 1519, Measurement System: Imperial, 1/4-20 Thread, UNC Thread Standard, 1 in Thread Length, 6 in Overall Length, 4 Flutes, Right Hand Cutting Direction, Class of Fit: 3B, 0.255 in Shank Diameter, #7 Tap Drill, 0.191 in Square, Plug Chamfer, H3 Thread Limit, HSS, Bright
| Class of Fit |
: |
3B |
| Cutting Direction |
: |
Right Hand |
| Finish/Coating |
: |
Bright |
| Material |
: |
HSS |
| Measurement System |
: |
Imperial |
| Number of Flutes |
: |
4 |
| Overall Length |
: |
6 in |
| Series |
: |
1519 |
| Shank Diameter |
: |
0.255 in |
| Square Size |
: |
0.191 in |
| Tap Drill Size |
: |
#7 |
| Thread Length |
: |
1 in |
| Thread Standard |
: |
UNC |
| Type |
: |
General Purpose Straight Flute |
| Chamfer |
: |
Plug |
| Thread Size |
: |
1/4-20 |
| Thread Limit |
: |
H3 |
- These taps have the same major diameters and pitch diameters as standard fractional size taps, but with extended shanks for reaching locations inaccessible to regular hand taps
- Although originally designed for tapping pulley holes, the long shank permits tapping other long reach applications
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