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Black-Oxide Class 12.9 Alloy Steel Socket Head Cap Screw, fully threaded, coarse. M2.6 x 8mm, 6 each. 5mm Dia. x 2.6mm Ht. x 8mm Long. Sometimes used on brushless motors and metal gear servo heads. 2nd photo for examples.
Socket head cap screws are a mainstay of clean model building, driven with a hex key and seating flush or in a counterbore for a tidy, secure joint. This category collects metric socket head cap screws in the small sizes that RC work calls for, packaged in convenient counts for repeat use.
Common Sizes
The range starts at M2 in lengths such as 6mm, 8mm, 12mm, and 16mm, and continues into M2.5 and larger diameters. Grouping several lengths within a thread size makes it easier to match a screw to the depth of a mount, bearer, or bracket without over-driving.
These screws suit engine and motor mounts, servo trays, landing gear blocks, and the many small brackets that hold an airframe together. Buying in packs keeps spares in the shop for the next build or repair.
Review the sizes below to match the thread and length your assembly needs.
 "Socket Head Cap Screw, M2 x 6mm long Qty 6")
 "Socket Head Cap Screw, M2 x 8mm long Qty 6")
 "Socket Head Cap Screw, M2 x 12mm long Qty 6")
 "Socket Head Cap Screw, M2 x 16mm long Qty 6")
 "Socket Head Cap Screw, M2.5 x 6mm long Qty 6")
 "Socket Head Cap Screw, M2.5 x 8mm long Qty 6")
 "Socket Head Cap Screw, M2.5 x 12mm long Qty 6")
 "Socket Head Cap Screw, M2.5 x 16mm long Qty 6")
 "Socket Head Cap Screw, M2.6 x 8mm long Qty 6")
 "Socket Head Cap Screw, M2.6 x 12mm long Qty 6")
 "Socket Head Cap Screw, M3 x 4mm long Qty 6")
 "Socket Head Cap Screw, M3 x 6mm long Qty 6")
 "Socket Head Cap Screw, M3 x 8mm long Qty 6")
 "Socket Head Cap Screw, M3 x 12mm long Qty 6")
 "Socket Head Cap Screw, M3 x 16mm long Qty 6")
 "Socket Head Cap Screw, M3 x 25mm long Qty 6")
 "Socket Head Cap Screw, M3 x 30mm long Qty 4")
 "Socket Head Cap Screw, M3 x 35mm long Qty 4")
 "Socket Head Cap Screw, M3 x 40mm long Qty 2")
 "Socket Head Cap Screw, M3 x 45mm long Qty 2")
 "Socket Head Cap Screw, M3 x 50mm long Qty 2")
 "Socket Head Cap Screw, M4 x 8mm long Qty 6")
 "Socket Head Cap Screw, M4 x 12mm long Qty 6")
 "Socket Head Cap Screw, M4 x 16mm long Qty 6")
 "Socket Head Cap Screw, M4 x 30mm long Qty 6")