Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.625in. ⁓5/8"
flat countersunk
0.531in.
patch locking feature
hexagon
0.250in. ⁓1/4"
20
82.0 degrees
screw, socket, flathead, SELF-Locking
steel
FF-S-86, ty iv fed spec single material response
zinc
QQ-Z-325, ty ii, cl 3 fed spec single treatment response
unc
Unc
Steel
20
Flat countersunk
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 zinc surface treated screw, socket, flathead, self-locking 20 thread quantity per inch flat countersunk head style 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. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.