Serving our customers with quality and safety first.
2a
RIGHT-Hand
0.875in. ⁓7/8"
0.938in. ⁓61/64"
knurled no. 1
0.562in.
0.250in. ⁓1/4"
flat
0.250in. ⁓1/4"
20
bearing surface of head 0.375 in. dia and 4-40 unc 2b thd 0.375 in. deep concentric hole in thd end and medium diamond knurl portion of head 0.188 in. wide and 0.031 in. by 45.0 deg chamfer on both sides of knurled portion
copper alloy
B11H18c fscm 24446 mfr ref single material response
nickel
unc
Unc
Copper alloy
20
Knurled no. 1
0.875 inches minimum
Right-hand
2a
Schedule B number: 7415338550
nmfc 093486
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unc thread series nickel surface treated bearing surface of head 0.375 in. dia 20 thread quantity per inch knurled no. 1 head style 0.875" 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. it may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. it has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. for items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).