Part Number: 31C125SHCSABO
Diameter/Pitch: 5/16"-18
Length Under Head: 1-1/4"
Grade: Alloy Steel
Finish: Black Oxide
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Hex Key Size: 1/4"
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5/16-18x1-1/4" Alloy Socket Head Cap Screws Black Oxide
Part Number: 31C125SHCSABO
Diameter/Pitch: 5/16"-18
Length Under Head: 1-1/4"
Grade: Alloy Steel
Finish: Black Oxide
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Hex Key Size: 1/4"
Click Here for Tech Drawing

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| Diameter Pitch | 5/16-18 |
| Grade Material | Alloy Steel |
| Partial Full Threads | Full |
| Head Height | 0.312" nom |
| Min Tensile Load | 9,440 lbf |
| Hardness | Rockwell C38–C43 |
| Head Diameter | 0.469" nom |
| Length Under Head | 1-1/4" |
| Finish | Black Oxide |
| Thread Class | 3A |
| Major Diameter | 0.312" |
| Tensile Strength | 180,000 psi |
| Drive | Hex Socket |
| Inch Metric | Inch |
| Grade | Alloy Steel |
| Material | Alloy steel, heat treated (ASTM A574) |
| Threads Per Inch | 18 TPI |
| Hex Key Size | 1/4" |
| Tensile Stress Area | 0.0524 sq in |
| Head Type | Socket Head Cap |
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