Spiral Flute Tap; 1/4″
| Thread Standard | UNF | Application | High Speed Tapping |
| Thread Size | 1/4″ - 28 | Connection Diameter Machine Side (DCONMS) | 0.255″ |
| Thread Diameter Size (TDZ) | 1/4″ | Thread Cutting Part Length (THL) | 0.357″ |
| Threads per Inch (TPI) | 28 | Flute Helix Angle (FHA) | 45 Degrees |
| Thread Tolerance Class (TCTR) | H4 | Tapping Prehole Diameter (Pre-hole) | 0.2175″ |
| Usable Length (LU) | 1″ | End Shape | Plug |
| Overall Length (OAL) | 2-1/2″ | Shank Type | Square |
| Chamfer | 4P-5P | Length Group | 3xD |
| Coating | TiN | Square Size | 0.191″ |
| Flute Count (NOF) | 3 | Measurement Type | Inch |
| Cutting Edge Material | HSS-PM | Series/List # | TTS66 |
| Standard | 302A |
Product Features
| Country of Origin | S.Korea |
Shipping Info
Package Length
3.125
Package Width
0.5
Package Height
0.375
Package Weight
0.999
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