screws › tapping screws
AN531-6R6
Aeronautical Standard Tapping Screw
Description
Screw
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Country of Origin | USA |
| Fastener Length | 0.344 inches minimum and 0.375 inches maximum |
| Features Provided | Casehardened |
| Head Diameter | 0.257 inches minimum and 0.279 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Material | Steel |
| Nonmachine Thread Diameter | 0.137 |
| Nonmachine Thread Style | Dog type (type b or c) |
| Sold In | Per Package |
| Surface Treatment | Cadmium |
| Weight | .0015 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN531-6R6
- AN531-6R8
- AN531-6R10
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.
- NAS548P6-6 NAS 3/8 in · Flat countersunk · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error