7/16-20 H3 3FL S/O
Spiral Flute Tap; 7/16″ - 20 ; 3-5/32″ OAL ; 3 FL ; HSS ; Black Oxide ; H3 ; Series 290
| Thread Diameter Size (TDZ) | 7/16″ | Tool Type | High Performance Tap |
| Threads per Inch (TPI) | 20 | Chamfer | 2.5P-3P |
| Thread Standard | NF | Coating | Black Oxide |
| Overall Length (OAL) | 3-5/32″ | Flute Type | Spiral |
| Thread Cutting Part Length (THL) | 1-7/16″ | End Shape | Chamfer |
| Usable Length (LU) | 1.712″ | Style | Modified Bottoming |
| Connection Diameter Machine Side (DCONMS) | 0.322″ | Measurement Type | Inch |
| Flute Count (NOF) | 3 | ToolTypeName | Spiral Flute Taps |
| Cutting Edge Material | HSS | Series/List # | 290 |
| Thread Tolerance Class (TCTR) | H3 |
Product Features
| Remarks | •Spiral Fluted With Modified Bottom •For tapping hardened steel •Best Application: 4140, 4340, H13, D2 and 1055 up to 35HRC | Country of Origin | Brazil |
Shipping Info
Package Length
3.75000
Package Width
.70000
Package Height
.65000
Package Weight
0.08
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