screws › tapping screws
MS51861-25C
#6 1/2 Tapping Screw
Description
Tapping Screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.469 inches minimum and 0.531 inches maximum |
| Head Angle | 100 ? |
| Head Diameter | 0.256 inches minimum and 0.270 inches maximum |
| Head Height | 0.087 inches minimum and 0.097 inches maximum |
| Head Style | Pan Head |
| Industry Standards/Certification | AN507 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/2, 17/32 |
| Material | Steel |
| Material Specification | 66 fed std single material response |
| NIIN | 00-497-7401 |
| NSN | 5305-00-497-7401 |
| Nondefinitive Specification/Std Data | Ab type |
| Nonmachine Thread Diameter | 0.138 |
| Nonmachine Thread Style | Gimlet point (type a, ab or ba) |
| Size | #6, 6-20 |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Weight | 0.0002 lb |
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.
- MS51861-25 MS 1/2 in · Pan Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error