Part Number: 31F50BFL12PL
Type: Smooth Flange
Head Type: 12 Point Head
Wrench Size: 5/16"
Partial / Full Threads: Full
Coarse / Fine Threads: Fine
Finish: Black Oxide
Length Under Head: 1/2"
Diameter/Pitch: 5/16"-24
Grade / Material: Alloy Steel (170M)
product_class: hardware
BN Pro Item: true
5/16-24x1/2" Alloy 12 Point Flange Screws Black Oxide
Part Number: 31F50BFL12PL
Type: Smooth Flange
Head Type: 12 Point Head
Wrench Size: 5/16"
Partial / Full Threads: Full
Coarse / Fine Threads: Fine
Finish: Black Oxide
Length Under Head: 1/2"
Diameter/Pitch: 5/16"-24
Grade / Material: Alloy Steel (170M)
product_class: hardware
BN Pro Item: true
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| Diameter Pitch | 5/16"-24 |
| Grade Material | Alloy Steel (170M) |
| Partial Full Threads | Full |
| Major Diameter | 0.312" |
| Min Tensile Load | 9,870 lbf |
| Tensile Stress Area | 0.0581 sq in |
| Torque Lubricated | 24 ft-lb |
| Inch Metric | Inch |
| Length Under Head | 1/2" |
| Finish | Black Oxide |
| Thread Class | 3A |
| Proof Load | 8,130 lbf |
| Tensile Strength | 170,000 psi |
| Hardness | Rockwell C33–C38 |
| Drive | 12-Point External |
| Grade | Alloy Steel (170 ksi) |
| Material | Alloy steel, quenched and tempered (IFI-115) |
| Threads Per Inch | 24 TPI |
| Clamp Load | 6,100 lbf |
| Yield Strength | 150,000 psi |
| Torque Dry | 32 ft-lb |
| Head Type | 12-Point Flange |
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