OSG 1804000
4-40 UNC GH2 STI PLUG TAP 3 FLUTE
STI TAP, SCREW THREAD INSERT TAP
OTHERWISE KNOWN AS HELICOIL TAPS ARE USED FOR FIXING HOLES
TAPS ARE LARGER TO USE HELICOIL INSERTS/SPRING TO FIX HOLE BACK TO CORRECT SIZE
FOR FERROUS & NON-FERROUS MATERIALS
BRIGHT FINISH
| Thread Size - Number | No. 4 |
| Thread Type | UNC STI |
| Threads Per Inch | 40 |
| Thread Limit | H2 |
| Chamfer Type | Plug (4P) |
| Major Diameter - Inch | 0.112 |
| Thread Length - Inch (Lc) | 0.374 |
| Tap Drill Size Min - Inch | 0.1175 |
| Tap Drill Size Max - Inch | 0.1252 |
| Neck Length - Inch (L1) | 0.803 |
| Overall Length - Inch (L) | 2 |
| Square Length - Inch (Ik) | 0.1875 |
| Shank Diameter - Inch (d) | 0.141 |
| Square Width - Inch (k) | 0.11 |
| STI Thread | Yes |
| Substrate | HSS |
| Surface Treatment | BRIGHT |
| Coolant Thru | No |
| Number of Flutes | 3 |
| Cutting Direction | RH |
| Helix Angle - Degree | 0 |
| Interrupted Thread | No |