screws › machine screws
NAS1102E4-10
Machine Screw
Description
Length: 5/8", Thread: 1/4-28, Thread Length: 33/64", NAS1102 series screw
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Fastener Length | Between 0.594 inches and 0.625 inches |
| Hardness Rating | Between 248.0 brinell standard and 341.0 brinell standard |
| Head Diameter | Between 0.442 inches and 0.507 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 5/8 |
| Material | Iron |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5735 assn standard single material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Specification Data | 80205-nas1102 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.417 inches and 0.519 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS514P428-10P NAS 1/4-28 · 5/8 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error