Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.740in. and 0.820in. ⁓53/64"
5.240in. and 5.260in. ⁓5-17/64"
hexagon
0.146in. and 0.166in. ⁓11/64"
0.430in. and 0.439in.
0.250in. ⁓1/4"
4.440in. and 4.500in.
finished head
28
32.0 rockwell c and 38.0 rockwell c
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
steel comp 630
AMS5643 assn std single material response
unjf
Unjf
Steel comp 630
28
4.440 inches minimum and 4.500 inches maximum
Hexagon
0.740 inches minimum and 0.820 inches maximum
Right-hand
3a
FSC 5306 ⁓ Bolts
unjf thread series 28 thread quantity per inch 4.440" grip length hexagon head style 0.740" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.