This M2.6x5 hexagon socket head cap screw is an RC-scale hardware item supplied by O.S. Engine as model OS79871010, sold in a pack of 10 pcs. It suits applications where a low-profile, recessed-head fastening is needed, including small engine fixes, linkages and tight bracket assemblies.
The design prioritizes consistent thread sizing and head geometry so replacements preserve original alignment and fit. The M2.6 size is listed in the product name and should be checked against your device's tapped holes and nuts to ensure proper clamping and clearance.
Always check thread engagement and the screw length before installation to avoid running into internal parts or leaving inadequate thread depth. These screws are supplied in quantities that suit regular servicing and minor rebuilds.
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