Serving our customers with quality and safety first.
3a
RIGHT-Hand
2.188in. ⁓2-13/64"
4.250in. ⁓4-1/4"
round w/wrench flats chamfered
1.000in.
0.500in. ⁓1/2"
0.625in.
1.500in.
1.000in.
dog
w/o internal drive
1.125in. ⁓1-1/8"
12
copper alloy
unf
Unf
Copper alloy
12
Round w/wrench flats chamfered
2.188 inches
Right-hand
3a
Schedule B number: 7415338550
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unf thread series 12 thread quantity per inch round w/wrench flats chamfered head style 2.188" thread length right-hand 3a thread class
1. | 4-118-221 | Cage 78880 |
Nothing similar to this part number was found in our inventory
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.