Serving our customers with quality and safety first.
flat countersunk
0.735in. and 0.770in.
0.279in. and 0.289in. ⁓19/64"
0.4880in. ⁓1/2"
3.437in.
1
round internal hexagon
95.0 degrees
32 microinches ra head toshank, thread root, thread flanks, shamk; 63 MICR0Inches ra bearing surface, 125 microinches ra other surfaces; alloy steel and A286Cres; cetyl alcohol lube per MIL-L-87132, type 1 or 111, grade optional
unjf
Unjf
3.437 inches
0.279 inches minimum and 0.289 inches maximum
Flat countersunk
FSC 5306 ⁓ Bolts
unjf thread series 32 microinches ra head toshank, thread root, thread flanks, shamk; 63 MICR0inches ra bearing surface, 125 microinches ra other surfaces; alloy steel 3.437" grip length 0.279" hole diameter flat countersunk head style
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.