screws › machine screws
AN500AD4-4
Aeronautical Standard Machine Screw
Description
Fastener Length: 1/4", Hole Diameter: 1/32", Thread: 4-40, Thread Length: 1/4", drilled head, AN500 series screw
Specifications
| Fastener Length | Between 0.219 inches and 0.250 inches |
|---|---|
| Head Diameter | Between 0.166 inches and 0.183 inches |
| Head Height | Between 0.072 inches and 0.079 inches |
| Head Hole Configuration Style | Round |
| Head Style | Fillister |
| Hole Diameter | 0.037 |
| Hole Quantity | 1 |
| Internal Drive Style | Slot |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Nondefinitive Specification/Std Data | 1 type and 5s style |
| Screw Material | Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 |
| Screw Material Specification | 66 federal standard all material responses |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.200 inches and 0.250 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN500AD4-3
- AN500AD4-4
- AN500AD4-5
- AN500AD4-7
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN500AD4-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error