Part Number MS9557-21 Machine Bolt

SKU: 5306012889338
Image of part number MS9557-21

MS955721 Machine Bolt Datasheet

Thread Direction:
Right-hand
Thread Length:
Between 0.740 inches and 0.820 inches
Fastener Length:
Between 1.428 inches and 1.448 inches
Head Style:
Double hexagon w/hole
Head Height:
Between 0.290 inches and 0.310 inches
Width Between Flats:
0.313 inches
Extended Washer Diameter:
Between 0.428 inches and 0.448 inches
Extended Washer Thickness:
0.060 inches
Thread Diameter:
0.250 inches
Grip Length:
Between 0.628 inches and 0.688 inches
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
24.0 rockwell c and 35.0 rockwell c
Minimum Yield Strength:
85000 pounds per square inch
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material Specification:
Ams 5731 assn standard single material response
Manufacturer Cage:
96906

Trade Information:
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Bolts and bolts and their nuts or washers exported in the same shipment

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