 
            - Inch
- 1/4-28 UNF Thread Size & Type
- Plug Chamfer Type
- HSS Material
- TiN Coating
| Shank Square Length - Metric | 7.94 mm | 
| Truncated Threads | No | 
| Shank Square Length | 0.3125 in | 
| Ground Threads | Yes | 
| Thread Tolerance | 2B | 
| Thread Size - Decimal | 0.25 in | 
| Operation Type | Blind Hole | 
| Thread Size & Type | 1/4-28 UNF | 
| Thread Type | UNF | 
| Thread Creation | Thread Cutting | 
| Chamfer Type | Plug | 
| Tap Type | Hand | 
| Thread Length - Metric | 16 mm | 
| Shank Size - Metric | 6.48 mm | 
| Shank Square Width - Metric | 4.85 mm | 
| Spiral Point | No | 
| Thread Size | 1/4 in | 
| Shank Square Width | 0.191 in | 
| Diameter - Decimal | 0.25 in | 
| Thread Length | 0.63 in | 
| Direction of Cut | Right Hand | 
| No. of Flutes | 4 | 
| Overall Length | 2.5 in | 
| Material | HSS | 
| Thread Per Inch | 28 | 
| Diameter - Wire | E | 
| Interrupted Thread | No | 
| Thread Size - Metric | 6.35 mm | 
| Blank Construction | USCTI Table 302A | 
| Shank End Feature | Square | 
| Thread Limit | H3 | 
| Diameter - Fraction | 1/4 in | 
| Weight | 0.0 LB | 
 
        
