Built for buyers who specify fasteners, not just resell them

EC Fastener is a fastener manufacturer, not a trading company. Since 2001 we have run our own lines in Nantong — forming, threading, surface treatment, and packing are all done in‑house across 204 self‑owned production units, with an on‑site lab for verification.

What working with us means for your self‑drilling and SEMS fasteners:

1. Engineering to your assembly We tailor drill‑point length, pre‑assembled SEMS washers, and head style (Torx, hex) to your joining process, instead of asking you to pick from a standard catalog.Field: steel‑to‑steel framing, HVAC ducting, thin‑sheet panel assembly.

2. In‑house verification, batch by batch Our own lab runs drilling‑performance and torque‑benchmark tests on every lot of self‑drilling screws. The report ships with the goods, alongside tensile, salt‑spray, and hardness data.Equipment: spectral analyzer, tensile, torque, salt‑spray, hardness testers.

3. OEM private label with retail know‑how We ship under your brand and packaging. We have long‑standing experience supplying DIY small‑pack fasteners to Home Depot, Bunnings, and B&Q.Field: private‑label assortments, retail‑ready small packs.

4. Full in‑house chain, lean pricing 204 self‑owned units take the part from forming to packing, removing the trader layer. MOQs stay flexible and OEM customization is available.Result: transparent cost structure, shorter lead time.

For buyers who specify rather than merely resell, we are set up to be your manufacturing side.