Spiral Point Tap; 1/4″ - 20 ; 2-1/2″ OAL ; 3 FL ; P-HSS ; Steam Oxide ; H5 ; Series M4
Spiral Point Tap; 1/4″ - 20 ; 2-1/2″ OAL ; 3 FL ; HSS ; Black Oxide ; H5 ; Series M4

| Thread Standard | UNC | Tool Type | Spiral Point Tap |
| Thread Size | 1/4″ - 20 | Connection Diameter Machine Side (DCONMS) | 0.255″ |
| Thread Diameter Size (TDZ) | 1/4″ | Thread Cutting Part Length (THL) | 0.591″ |
| Threads per Inch (TPI) | 20 | Tapping Prehole Diameter (Pre-hole) | 0.2045″ |
| Thread Tolerance Class (TCTR) | H5 | End Shape | Modified Bottoming |
| Usable Length (LU) | 1″ | Shank Type | Square |
| Overall Length (OAL) | 2-1/2″ | Coolant Supply Property (CSP) | External |
| Chamfer | 2P-3P | Length Group | 3xD |
| Coating | Black Oxide | Square Size | 0.191″ |
| Flute Count (NOF) | 3 | Measurement Type | Inch |
| Cutting Edge Material | HSS | Series/List # | M4 |
| 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
0.032
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