| Manufacturer Part Number | B3283 |
| Thread Size | #8 |
| Thread Size (Decimal Inch) | 0.164" |
| Thread Size (mm) | 4.17mm |
| Threads per Inch (TPI) | 32 |
| Thread Series | UNC |
| Pitch Limit | H3 |
| Chamfer Type | Modified Bottoming |
| Chamfer Length | 2P-3P |
| Overall Length (Decimal Inch) | 2.130" |
| Overall Length (mm) | 54.10mm |
| Thread Length (Decimal Inch) | 0.276" |
| Thread Length (mm) | 7.01mm |
| Square Length (Decimal Inch) | 0.250" |
| Square Length (mm) | 6.35mm |
| Shank Diameter (Decimal Inch) | 0.168" |
| Shank Diameter (mm) | 4.27mm |
| Square Size (Decimal Inch) | 0.131" |
| Square Size (mm) | 3.33mm |
| Neck Diameter (Decimal Inch) | 0.120" |
| Neck Diameter (mm) | 3.05mm |
| Drill Bit Size (Decimal Inch) | 0.136" |
| Drill Bit Size (mm) | 3.44mm |
| Connection Size (Decimal Inch) | 0.168" - 0.131" |
| Connection Size (mm) | 4.27 - 3.33mm |
| Length / Diameter | 2.5xD |
| Usable Length (Decimal Inch) | 0.752" |
| Usable Length (mm) | 19.10mm |
| Shank Type | Square |
| Helix Angle (Degree) | 15 Degree |
| Number of Flutes | 3 |
| Coating | Oxide |
| Material | P-HSS |
| Blank Standard | 302A |
| Tap Type | SPFL |
| Series | B3 |
| Product Type | Spiral Flute Tap |