Buy Butterfly Toggle Bolts: Suppliers, Factory & OEM Engineering

Plastic wall plugs and expansion sleeve anchors rely entirely on the radial frictional clamping force exerted against the sidewalls of a solid substrate (e.g., solid poured concrete or masonry). In hollow substrates—such as drywall, hollow concrete blocks, or metal cladding—expansion anchors simply crumble the cavity edge, leading to catastrophic failure. A butterfly toggle bolt uses a mechanical spring-wing hinge that flips open completely flat behind the cavity wall, creating a massive load-bearing flange that distributes pull-out stress over a wide radius.

To install a butterfly toggle bolt, first pass the machine screw through the fixture being mounted. Thread the folded spring wing onto the bolt just enough to engage the internal threads. Compress the spring wings tightly by hand, insert the toggle assembly through the pre-drilled pilot hole until the wings clear the substrate thickness, and listen for the spring wings to snap fully open inside the cavity. Gently pull the fixture outward to seat the wings against the back wall, then tighten the bolt with a calibrated screwdriver or low-torque driver until firm seating is achieved without crushing the plasterboard core.

Yes. With dedicated stamping presses, automatic thread rollers, and CNC tooling workshops located in Yongnian District, Handan City, we support full custom OEM/ODM manufacturing. We produce machine screws in UNC, UNF, and ISO metric pitches (M3 to M12, 1/8" to 1/2"), with bolt lengths from 25mm to 300mm. Wing plates can be tailored in thickness, spring tension, and finish coatings to match exact engineering drawings.

For indoor applications, dry warehouses, or mild outdoor inland environments (C1 to C3 classification), zinc-plated carbon steel or Grade 304 (A2) stainless steel provides adequate oxidation resistance. For high-humidity, marine, coastal installations within 5km of the sea, or chemical processing plants (C4 to C5 categories), Grade 316 (A4) stainless steel is strongly mandated due to its 2–3% molybdenum content, which resists localized chloride pitting and crevice corrosion.

Standard inventory sizes generally carry an MOQ of 5,000 to 10,000 units per specification, while specialized custom stampings or non-standard finishes typically require 20,000 units. Prototyping and tooling confirmation take 7–10 working days, followed by full container volume production within 15–25 days. Shipments leave via Tianjin or Qingdao ports with complete mill test certificates (MTC) and quality inspection sheets.