Part Number HR204-5-20 Close Tolerance Screw
SKU: 5305011988555Product Features
Internal drive ribbed
HR204520 Close Tolerance Screw Datasheet
Thread Direction:
Right-hand
Thread Length:
Between 0.454 inches and 0.521 inches
Fastener Length:
Between 1.714 inches and 1.761 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.578 inches and 0.634 inches
Grip Diameter:
Between 0.3110 inches and 0.3120 inches
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.312 inches
Grip Length:
Between 1.240 inches and 1.260 inches
Thready Qty Per Inch (tpi):
24
Min. Tensile Strength (psi):
220000 pounds per square inch
Hardness Rating:
46.0 rockwell c and 50.0 rockwell c
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Part Name Assigned By Controlling Agency:
Navy special project
Material Specification:
Ams 6487 assn standard single material response
Surface Treatment Specification:
Nas 672 assn standard 1ST treatment response or MIL-C-8837, type 2 cl 3 military specification 2ND treatment response
Manufacturer Cage:
73197
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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