Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.308in. and 0.320in. ⁓21/64"
0.308in. and 0.320in. ⁓21/64"
flat countersunk
0.200in. and 0.225in.
slot
0.112in. (UTS #4)
40
82.0 degrees
82 degree flat head screw 4-40
steel
unc
Unc
40
Flat countersunk
0.308 inches minimum and 0.320 inches maximum
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
unc thread series 82 degree flat head screw 4-40 40 thread quantity per inch flat countersunk head style 0.308" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.