Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.400in. ⁓13/32"
0.497in. and 0.502in. ⁓33/64"
hexagon
0.150in. and 0.163in. ⁓11/64"
0.428in. and 0.438in.
patch threads
0.250in. ⁓1/4"
20
copper alloy
QQ-N-281, tya fed spec single material response
unc
1EA
Unc
Copper alloy
20
Hexagon
0.400 inches maximum
Right-hand
3a
Schedule B number: 7415338550
nmfc 096640
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unc thread series 20 thread quantity per inch hexagon head style 0.400" thread length right-hand 3a thread class
1. | FFS86TY1 .25-20UNC3AX.50L-NICU | Cage 81349 |
2. | 6817703 ITEM 3 | Cage 53711 |
3. | 6817703 ITEM 3 | Cage 70318 |
4. | 6817703 ITEM 3 | Cage 82926 |
Nothing similar to this part number was found in our inventory
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.