screws › machine screws
90471A416
Machine Screw
Description
Fastener Length: 1", Thread: 1/4-20, Thread Length: 7/8
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 1.000 |
| Hardness Rating | 60.0 rockwell b minimum |
| Head Diameter | 0.477 |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Part Name Assigned By Controlling Agency | Zinc plated steel phillips flat head machine screw |
| Screw Material | Steel |
| Screw Surface Treatment | Zinc |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.890 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error