screws › machine screws
BACS12GM3-18
Machine Screw
Description
Fastener Length: 1-1/8", Thread: 10-32, Thread Length: 0-63/64
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.0625 inches minimum and 1.1250 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Diameter | 0.332 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Material Specification | Mil-s-7839 mil spec all material responses |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416 ty2 cl2 fed spec single treatment response |
| Special Features | Extended point on threaded end 57 to 63 degrees |
| Specification Data | 81205-bacs12gm manufacturers standard |
| Thread Class | 3a |
| Thread Diameter | 0.1900 |
| Thread Direction | Right-hand |
| Thread Length | 0.9825 inches minimum and 1.0450 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- NAS1102E3-18P NAS #10-32 · 0.073 in · Flat countersunk · Iron
- NAS1189-3P18 NAS #10-32 · 0.073 in · Flat countersunk · Steel
- NAS514P1032-18P NAS #10-32 · 0.073 in · Flat countersunk · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error