Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.429in. and 0.578in. ⁓37/64"
1.578in. and 1.625in. ⁓1-5/8"
flat countersunk
0.447in. and 0.507in.
cross recess type 1
0.250in. ⁓1/4"
28
125000 pounds per square inch
26.0 rockwell c and 32.0 rockwell c
99.0 degrees and 101.0 degrees
steel comp 8630 or steel comp 4037
MIL-S-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
cadmium and chromate
QQ-P-416 ty 2 cl 3 fed spec single treatment response
unf
1HD
Unf
Cadmium and chromate
28
Flat countersunk
0.429 inches minimum and 0.578 inches maximum
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 0.429" 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.