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2-56, 4-40, 6-32 & 8-32 Socket Head Cap Screws, 181 pieces.
All assortments come in a latching, hinged, translucent polypropylene parts box with adjustable dividers for from 3 to 18 compartments, overall size: 7"x3-3/4"1-1/4".
20 each of 9 small socket caps, alloy, black. Sizes: 2-56 x 1 4-40 x 1/2, 3/4, 1 6-32 x 1/2, 1, 1-1/4 8-32 x 3/4, 1-1/2
All assortments come in a latching, hinged, translucent polypropylene parts box with adjustable dividers for from 3 to 18 compartments, overall size: 7"x3-3/4"1-1/4".
20 each of 9 NM Series nylon insert lock nuts, plated. Sizes: 2-56, 3-48, 4-40, 5-40, 6-32, 8-32, 10-24, 10-32, 1/4-20
All assortments come in a latching, hinged, translucent polypropylene parts box with adjustable dividers for from 3 to 18 compartments, overall size: 7"x3-3/4"1-1/4".
20 each of 9 small socket caps, alloy, black. Sizes: 2-56 x 3/8, 1/2, 1 4-40 x 1/4, 1/2, 5/8, 3/4, 1, 1-1/4
All assortments come in a latching, hinged, translucent polypropylene parts box with adjustable dividers for from 3 to 18 compartments, overall size: 7"x3-3/4"1-1/4".
20 each of 9 small socket caps, alloy, black. Sizes: 4-40 x 1/4, 1/2, 3/4, 1, 1-1/4 6-32 x 1/2, 3/4, 1, 1-1/2
TEMPORARILY OUT OF STOCK
SKU Number: RRCAST4AND6
SAE Fastener Sets and Assortments
Keeping a stocked box of common screws and nuts saves trips to the store mid-build, and this category gathers SAE fastener sets and assortments in the sizes model builders reach for most. Each is packaged as a multi-size set rather than single fasteners.
Socket Head Cap Screw Sets
Socket head cap screws are offered in assorted-size sets spanning 2-56, 4-40, 6-32, and 8-32 threads, with combinations such as a 2-56 and 4-40 set and a 4-40 and 6-32 set. These cover the small machine-screw sizes common on RC mounts and hardware.
For locking hardware, a 181-piece nylon insert lock nut assortment provides SAE nuts across a range of sizes, useful where vibration would otherwise loosen a plain nut. Buying screws and nuts as a graded set also means the odd sizes are there when a build calls for them, rather than only the one or two you use most.
Look over the sets on this page to keep your hardware drawer stocked.
 "Socket Head Cap Screws 2-56, 4-40, 6-32 and 8-32")
 "Nylon Insert Lock Nuts SAE 181 Piece Set")
 "Socket Head Cap Screws 2-56 & 4-40 181 Piece Set")
 "Socket Head Cap Screws 4-40 & 6-32 181 Piece Set")