Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.429in. and 0.563in. ⁓37/64"
0.500in. and 0.563in. ⁓37/64"
hexagon
0.146in. and 0.166in. ⁓11/64"
0.428in. and 0.440in.
0.250in. ⁓1/4"
finished head
28
copper alloy 464
QQ-B-637 fed spec single material response
tin
ams 2408.2 assn std single treatment response
unf
80205-NAS467 professional/industrial association standard
On 02/10/2009 under contract SPM5A609MQ341 for qty 71
Unf
Copper alloy 464
28
Hexagon
0.429 inches minimum and 0.563 inches maximum
Right-hand
3a
Schedule B number: 7415338550
nmfc 093460
Other copper screws (not for wood) bolts and nuts
FSC 5306 ⁓ Bolts
unf thread series tin surface treated 28 thread quantity per inch hexagon head style 0.429" 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.