| Manufacturer Part Number | J842A |
| Size (Inch) | 1/4" |
| Pitch (TPI) | 28 TPI |
| Diameter (Decimal Inch) | 0.2500" |
| Diameter (mm) | 6.35mm |
| Overall Length (Decimal Inch) | 2.5000" |
| Overall Length (mm) | 63.50mm |
| Thread Length (Decimal Inch) | 0.5910" |
| Thread Length (mm) | 15.01mm |
| Square Length (Decimal Inch) | 0.3100" |
| Square Length (mm) | 7.87mm |
| Shank Diameter (Decimal Inch) | 0.2550" |
| Shank Diameter (mm) | 6.48mm |
| Square Size (Decimal Inch) | 0.1910" |
| Square Size (mm) | 6.48mm |
| Neck Diameter (Decimal Inch) | 0.2000" |
| Neck Diameter (mm) | 5.08mm |
| Drill Size (Decimal Inch) | 0.2175" |
| Drill Size (mm) | 5.53mm |
| Useable Length (Decimal Inch) | 1.0000" |
| Useable Length (mm) | 25.40mm |
| Length/Diameter | 3.0xD |
| Number of Flutes | 3 |
| Series | J8 |
| Thread Series | UNF |
| Pitch Limit | H11 |
| Chamfer Length | 4P-5P |
| Blank Standard | 302A |
| Coating | Hardslick |
| Material | HSSE-V3 |
| Shank Type | Square |
| Trade Name | YG Tap Steel |
| Tap Type | Spiral Point |
| Chamfer Type | Plug |
| Product Type | Spiral Point Plug Tap |
714.897.1700
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