screws › close tolerance screws
HT239PB4-12
Screw
Description
Fastener Length: 1-3/32", Thread: 1/4-28, Thread Length: 11/32"
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 1.050 inches minimum and 1.097 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.740 inches minimum and 0.760 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.389 inches minimum and 0.394 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | High-torque |
| Length | 1 3/32 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 26512-gb510l manufacturers standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.290 inches minimum and 0.357 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- HT239PB4-4
- HT239PB4-5
- HT239PB4-8
- HT239PB4-9
- HT239PB4-12
Cross-reference
No interchangeable or dimensionally similar parts are on record for HT239PB4-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error