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70-90% of a Grade 8.8 bolt’s pressrue — that’s what these things actually deliver, not just claim.
M2 to M36 sizes, hardened to HRC 44-52, so they take bite without flattening out under thermal cycling or constant vibration.
And we do trial orders form 500 pcs, but check lead time on teh bigger sizes (usually 2-4 weeks for stuff over M20).
The surface treatment you specify matters a lot — Dacromet for corrosion-heavy environments, black oxide if you just need basic rust resistance.
Basically, the low-profile design saves about 40% height over coil springs; not ideal for tiny clamp loads below M6, honestly.
Custom non-standerd parts per drawing, but those go through a separate QC line — typical lead time adds 10 days or so.
You can start with a trial order of just 500 pieces. For bulk customization, we also support larger volumes — just let us know your quantity needs.
Standard orders typically ship within 7–15 working days. Custom sizes or non-standard parts may take a bit longer depending on complexity.
Yes, we can supply a mill certificate and hardness test report on request. Just specify what documentation you need when you place the order.
Absolutely — we offer M2 to M36 sizes in 316 stainless. Dacromet is one of our standard surface treatments, so we can do that combination without any issue.
Keep them in a dry, cool environment away from moisture and corrosive chemicals. If they're in sealed packaging, leave them sealed until you're ready to use them.
