screws › machine screws
A206A8
Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 3/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.230 inches minimum and 0.250 inches maximum |
| Head Diameter | 0.191 inches minimum and 0.206 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 1/4 |
| Material | CRES |
| Screw Material | Steel corrosion resisting |
| Screw Material Specification | Bs970 en 58 series,fscm k7766 national spec single material response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.131 inches minimum and 0.201 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for A206A8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error