NAS1580A4T4 Close Tolerance Screw

Product Series
NAS
ECCN
EAR99
Schedule
7318.15.9000
Price per Unit $1.25
Units per Pack 50
Price per Pack $62.50
Manufacturer certifications are shipped with your order FREE of charge
Unit of Measure: EA

Quantity will be increased in increments of 50

Total Unit Quantity:
Total Packs 1
Total Price $62.50
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Head Style
Flat countersunk
Material
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Surface Treatment
Qq-p-416 ty2 cl2 federal specification single treatment response
Thread Class
3a
Countersink Angle
100.0 degrees
Fastener Length
Between 0.638 inches and 0.668 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Grip Length
Between 0.240 inches and 0.260 inches
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Internal Drive Style
Offset cruciform (torque set)
Min. Tensile Strength (psi)
160000 pounds per square inch
Specification Data
80205-nas1580 professional/industrial association standard
Surface Finish
32.0 microinches threads
Thread Diameter
0.250 inches
Thread Direction
Right-hand
Thread Length
Between 0.378 inches and 0.428 inches
Thread Qty Per Inch (tpi)
28
Thread Series Designator
Unjf (fine thread with external controlled root radius)
Head Diameter
Between 0.464 inches and 0.507 inches