Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.625 inches minimum and 0.703 inches maximum
Fastener Length:
4.828 inches minimum and 4.875 inches maximum
Head Style:
Hexagon
Head Height:
0.234 inches minimum and 0.266 inches maximum
Width Between Flats:
0.615 inches minimum and 0.627 inches maximum
Thread Diameter:
0.438 inches
Grip Length:
4.172 inches minimum and 4.203 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Material:
Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall