Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.749in. and 0.828in. ⁓53/64"
4.953in. and 5.000in. ⁓5-1/64"
hexagon
0.265in. and 0.297in. ⁓19/64"
0.740in. and 0.752in.
0.500in. ⁓1/2"
4.172in. and 4.204in.
finished head
20
26.0 rockwell c and 32.0 rockwell c
steel comp 431
MIL-S-18732 mil spec single material response
passivate
QQ-P-35 fed spec single treatment response
unf
Unf
Steel comp 431
20
4.172 inches minimum and 4.204 inches maximum
Hexagon
0.749 inches minimum and 0.828 inches maximum
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
unf thread series passivate surface treated 20 thread quantity per inch 4.172" grip length hexagon head style 0.749" 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.