Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.425in. ⁓7/16"
1.237in. ⁓1-1/4"
flat countersunk
0.449in. and 0.507in.
0.2490in. first shoulder and 0.2495in. first shoulder
0.802in. all shoulders and 0.822in. all shoulders
torx
0.250in. ⁓1/4"
28
5620 pounds per square inch
99.0 degrees and 101.0 degrees
round first shoulder
titanium alloy uns R56400
6AL-4VTITANIUMALLOYPERAMS4928 assn std 1st material response or AMS4967 assn std 2nd material response
unjf
1EA
Unjf
Titanium alloy uns r56400
28
Flat countersunk
0.425 inches maximum
Right-hand
3a
Schedule B number: 8109900000
Zirconium and articles thereof nesoi
FSC 5305 ⁓ Screws
unjf thread series 28 thread quantity per inch flat countersunk head style 0.425" thread length right-hand 3a thread class
1. | 03A509 | Cage 1W025 |
2. | 03A509-4-13C | Cage 1W025 |
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. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.