Part Number: 31C200BFL8P
Diameter/Pitch: 5/16"-18
Grade: Grade 8
Length Under Head: 2"
Finish: Phos & Oil
Coarse/Fine Threads: Coarse
Partial/Full Threads: Partial
Wrench Size: 1/2"
5/16-18x2" Grade 8 Hex Flange Frame Bolts Phos & Oil
Part Number: 31C200BFL8P
Diameter/Pitch: 5/16"-18
Grade: Grade 8
Length Under Head: 2"
Finish: Phos & Oil
Coarse/Fine Threads: Coarse
Partial/Full Threads: Partial
Wrench Size: 1/2"
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| Diameter Pitch | 5/16"-18 |
| Finish | Phosphate & Oil |
| Thread Class | 2A |
| Proof Load | 6,290 lbf |
| Tensile Stress Area | 0.0524 sq in |
| Inch Metric | Inch |
| Length Under Head | 2" |
| Material | Medium carbon alloy steel, quenched and tempered |
| Threads Per Inch | 18 TPI |
| Tensile Strength | 150,000 psi |
| Hardness | Rockwell C33–C39 |
| Diameter Pitch 1 | 5/16"-18 |
| Grade | Grade 8 |
| Partial Full Threads | Partial |
| Major Diameter | 0.312" |
| Yield Strength | 130,000 psi |
| Head Type | Hex Flange (Frame Bolt) |
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