Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.370in. ⁓3/8"
2.125in. ⁓2-1/8"
round w/wrench flats
0.990in. and 1.110in.
0.177in. and 0.197in. ⁓13/64"
0.740in. and 0.760in.
0.624in. and 0.625in.
1.755in. and 1.800in.
0.115in. first hole and 0.135in. first hole
0.240in. and 0.260in.
0.500in. ⁓1/2"
20
180000 pounds per square inch
1.945in. first hole and 1.970in. first hole
zinc chromate coating in concentric hole
steel comp 4340 or steel comp E4340
MIL-S-5000 cond D4 mil spec all material responses
cadmium threads or chromium threads
cadmium grip or chromium grip
cadmium head or chromium head
counterbore unthreaded
unf
Unf
Counterbore unthreaded
Steel comp 4340 or steel comp e4340
20
Round w/wrench flats
0.370 inches minimum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
unf thread series counterbore unthreaded cadmium head or chromium head surface treated zinc chromate coating in concentric hole 20 thread quantity per inch round w/wrench flats head style 0.370" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.