screws › machine screws
7S39-3A3
Machine Screw
Description
Fastener Length: 1/2", Thread: 10-32, Thread Length: 5/16
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 0.525 |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.297 inches minimum and 0.302 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4130 |
| Screw Material Specification | Mil-s-6758 mil spec single material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.338 inches minimum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNF |
| Thread Size | 10 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for 7S39-3A3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error