Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.312in. ⁓5/16"
0.312in. ⁓5/16"
knurled no. 1
0.176in. and 0.183in.
0.108in. and 0.112in. ⁓1/8"
hexagon
0.112in. (UTS #4)
0.094in. and 0.095in. ⁓7/64"
40
80000 pounds per square inch
39.0 rockwell c and 45.0 rockwell c
steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384
66 fed std all material responses
passivate
QQ-P-35 fed spec single treatment response
fscm 80204-ansi B18.3 table 3 size 4
unc
81348-FF-S-86 government specification
6 type and 4-40 size and 5/16in. length and 3assjseunc class
Unc
Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384
40
Knurled no. 1
0.312 inches
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 passivate surface treated 40 thread quantity per inch knurled no. 1 head style 0.312" thread length right-hand 3a thread class
1. | FF-S-86 | Cage 81348 |
2. | 0.112-40-3AX0.312 HEXSOCKET CRES | Cage 70318 |
3. | 4-40-3A X 5/16 HEX S0CKETHD CRES | Cage 70318 |
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.