Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.438in. ⁓29/64"
0.688in. ⁓45/64"
flat countersunk
0.500in.
cross recess type 1
0.250in. ⁓1/4"
28
125000 pounds per square inch
27.0 rockwell c and 32.0 rockwell c
100.0 degrees
steel comp 4037
MIL-S-8695 mil spec single material response
cadmium
unf
Unf
Cadmium
28
Flat countersunk
0.438 inches minimum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
unf thread series cadmium screw surface treated 28 thread quantity per inch flat countersunk head style 0.438" 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.