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MS35275-221
Drilled Fillister Head Machine Screw
Description
Fastener Length: 1", Hole Diameter: 1/32", Thread: 4-40, Thread Length: 63/64
Specifications
| Fastener Length | 1.000 |
|---|---|
| Finish | Passivate |
| Head Diameter | 0.166 inches minimum and 0.183 inches maximum |
| Head Height | 0.072 inches minimum and 0.079 inches maximum |
| Head Hole Configuration Style | Round |
| Head Style | Drilled Fillister Head |
| Hole Diameter | 0.037 |
| Hole Quantity | 1 |
| Internal Drive Style | Slot |
| Length | 1 |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| 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 fed std all material responses |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Size | 4-40 |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.950 inches minimum and 1.000 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
| Thread Type | N.C. - Coarse |
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.
- MS35265-21 MS #4-40 · 0.073 in · Drilled Fillister Head · Steel
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Catalog data updated 2026-07-05. Report a data error