Product Specifications
Manufacturer Part Number | 10139250 |
Thread Diameter (Decimal Inch) | 0.500" |
Thread Diameter (mm) | 12.70mm |
Threading Chamfer Length (Decimal Inch) | 0.150" |
Threading Chamfer Length (mm) | 3.80mm |
Tap Chamfer Length (Decimal Inch) | 0.150" |
Tap Chamfer Length (mm) | 3.80mm |
Connection Diameter Machine Side (Decimal Inch) | 0.354" |
Connection Diameter Machine Side (mm) | 9.00mm |
Shank Diameter (Decimal Inch) | 0.354" |
Shank Diameter (mm) | 9.00mm |
Functional Length (Decimal Inch) | 4.181" |
Functional Length (mm) | 106.20mm |
Usable Length (Decimal Inch) | 3.268" |
Usable Length (mm) | 83.00mm |
Overall Length (Decimal Inch) | 4.331" |
Overall Length (mm) | 110.00mm |
Thread Length (Decimal Inch) | 0.591" |
Thread Length (mm) | 15.00mm |
Thread Diameter Size | UNF1/2-20 |
Recommended Premachined Hole Diameter (Decimal Inch) | 0.478" |
Recommended Premachined Hole Diameter (mm) | 12.15mm |
Connection Size Code | 9.00X7.00 |
Connection Size Code Machine Side | 9.00X7.00 |
Maximum Premachined Hole Diameter (Decimal Inch) | 0.478" |
Maximum Premachined Hole Diameter (mm) | 12.15mm |
Minimum Threads Per Inch (mm) | 20.00mm |
Maximum Threads Per Inch (mm) | 20.00mm |
Number of Flute | 5 |
Shank Type | Cylindrical |
Thread Tolerance Class | 2BX |
Threading Chamfer Type | C |
Thread Form Type | UNF |
Cutting Direction | Right Hand |
Cutting Geometry Type | T33 |
Cutting Geometry Type Technical | Oil grooves |
Material | HSS-E |
Coating | TiAIN+TiN |
Product Type | Thread Forming Tap |

Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Brand:
Seco Tools
Thread Size:
UNF1/2-20
Number of Flutes:
5
Finish/Coating:
TiAIN+TiN
Material:
HSS-E
Thread Standard:
UNF
interval quantity:
1