UAV Fastener & Maintenance Kits
HF Trading supplies practical, ready-to-source fastener solutions for UAV/drone, electronics, robotics and precision assembly applications.
M2–M8 12.9 socket screws
nuts
washers
spacers
set screws
rivets
repair/maintenance consumable kits
12.9 socket screws High-strength 12.9 grade metric socket screws are suitable for secure fastening, compact head design and reliable clamping force. Common options include M2, M2.5, M3 and M4 sizes with socket cap, button, countersunk and set screw styles.
common: 3-30mm
M3/M4: extend 40-50mm
Socket head cap screw ISO 4762 / DIN 912
Button head ISO 7380
Countersunk DIN 7991
Set screw DIN 916/913
M2/M2.5/M3/M4 kit Metric fastener kits combine frequently used screws, nuts, washers and spacers into convenient assortments for prototyping, maintenance and production support. Kits can be configured by size, material, head type, length range and packaging style.
M2/M2.5/M3/M4
common: 3/4/5/6/8/10/12/16/20/25/30 mm
Washers / nuts / spacers Washers, nuts and spacers support fastening, spacing, insulation, anti-loosening and PCB/module mounting requirements. Common choices include flat washers, spring washers, hex nuts, nyloc nuts and brass/aluminum/stainless/nylon standoffs.
M2/M2.5/M3/M4
spacer/standoff common: 3–40 mm
Flat washer DIN 125
Spring washer DIN 127
Hex nut DIN 934
Nyloc nut DIN 985
Thin nut DIN 439
Hex/Round spacer/standoff
Detailed dimensions, certificates, surface treatments and special custom specifications can be confirmed according to project requirements. The website can present the product direction first while supplier-specific details are collected in parallel.
