System of Measurement | Inch - ANSI |
Thread Series | UNF - Unified Natl. Fine |
Thread Size | 1/4"-28 |
Tap Type | Spiral Point |
Chamfer Type | Plug |
Shank Type | Square |
Material | HSS-E |
Coating | Hardslick |
[TPI] Threads per Inch | 28 tpi |
Tap Drill Diameter | 0.217 in |
[ØDC] Cutting Diameter | 0.25 in |
[ØDMM] Shank Diameter | 0.255 in |
[L2] Chamfer Length | 4P - 5P |
[L1] Thread Length | 0.591 in |
[LU] Usable Length | 1.0 in |
[OAL] Overall Length | 2.5 in |
[SS] Square Size | 0.191 in |
[NOF] Number of Flutes | 3 |
[FHA°] Helix Angle | 0 |
Length / Diameter | 3 X D |
Thread Class | GH3 |
Through Spindle Coolant | No |