Serving our customers with quality and safety first.
2a
RIGHT-Hand
0.269in. ⁓9/32"
0.594in. ⁓19/32"
flat chamfer
0.490in. and 0.510in.
0.188in. ⁓13/64"
0.310in. first shoulder and 0.312in. first shoulder
0.250in. first shoulder and 0.255in. first shoulder
slot
0.250in. ⁓1/4"
20
round first shoulder
groove 0.172 to 0.182 in. dia by 0.065 to 0.085 in. w between shoulder and thread
copper alloy 482 or copper alloy 485
unc
Unc
Copper alloy 482 or copper alloy 485
20
Flat chamfer
0.269 inches minimum
Right-hand
2a
Schedule B number: 7415338550
nmfc 096630
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unc thread series groove 0.172 to 0.182 in. dia by 0.065 to 0.085 in. w between shoulder 20 thread quantity per inch flat chamfer head style 0.269" thread length right-hand 2a 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. 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.