screws › machine screws
NAS1102-04-4
Machine Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4", NAS1102 series screw
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Fastener Length | Between 0.219 inches and 0.250 inches |
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.177 inches and 0.225 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Sold In | EA |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.188 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 |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
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- NAS1102E04-4P NAS #4-40 · 1/4 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error