Galvanized Explosion-Proof Screw/Extended Expansion Screw/Expansion Bolt Addition/Ceiling Explosion-Proof Screw/Explosion-Proof Screw1
2 month ago
Struggling with unstable hanging fixings on concrete and brick walls? Our expansion hook bolt delivers reliable load‑bearing mounting. As local factory manufacturer, it provides consistent performance for various installation projects.
Traditional wall fasteners often slip or pull‑out under heavy load, causing safety risks for installed fixtures. This expansion hook bolt adopts sleeve expansion locking structure, widely used together with Single Bowl Sink, Double Bowl Sink, Bar Sink and Kitchen Sink mounting brackets. We are professional supplier, supporting volume B2B orders and local market adaptation for construction, hardware and sanitary project buyers.

| Parameter | Specification | Localization Adaptation Note |
|---|---|---|
| Product Name | Expansion Hook Sleeve Anchor Bolt | Optimized for Europe Southeast Asia hard concrete hollow brick wall common in local construction |
| Material | Carbon steel, copper‑plated surface | Copper‑plated layer resists coastal humidity corrosion, fits high‑humidity coastal area projects |
| Available Size | M6 M8 M10 M12 | Covers mainstream hole diameter requirements of local hardware distributors |
| Pull‑out Resistance | 5‑22kN (subject to base wall condition) | Tested on local standard concrete block to match local building material property |
| Components | Hook bolt, expansion sleeve, flat washer, spring washer, hex nut | Complete accessory set, no extra parts purchasing for local installers |
| Surface Finish | Copper plating | Anti‑rust, matches local hardware market appearance preference |
| Packing | Carton bulk packing / small retail box | Support distributor mixed‑pack requirement for local offline retail channel |


- Before cooperation: Purchased ordinary expansion hooks from trading company. 18% return rate caused by pull‑out failure and rust; monthly after‑sales cost reached $1420; repeat order rate only 31%
- After switching to our factory manufactured expansion hook bolt: Pull‑out related return rate dropped to 2.7%; monthly after‑sales expense reduced to $210; client repeat purchase rate raised to 76%; client expanded product line and supplied for 11 local renovation contractors.
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6.Why Choose us
- As local‑oriented manufacturer, we complete product performance test against regional building substrates, product parameters match local B2B procurement standards, avoid on‑site adaptation risk.
- Stable raw material supply chain, bulk order lead‑time controlled within 14‑20 working days, support distributor seasonal stocking demand.
7.Customization Service
- Custom surface treatment and dimension adjustment, to fit special mounting requirement of Kitchen Sink and related sanitary hardware accessories.
- Custom private label and mixed‑spec packing solution for local wholesaler offline retail shelves.
8.After‑sales Service
- Provide product load‑test report for B2B buyers, support engineering project document review.
- Defective goods compensation for quality‑related issues within agreed proportion, simplify cross‑border claim procedure.
9.How to Order
- Send inquiry: Tell us size, quantity and requirement related to Single Bowl Sink / Kitchen Sink matching scenario
- Quotation offer: Our supplier team send formal quotation within 24 working hours
- Confirm PI: Verify price, packing, lead‑time and shipping terms
- Arrange deposit payment
- Production & quality inspection
- Balance payment, arrange shipment and send shipping documents
10.FAQ & CTA
FAQ
Q: What wall types are suitable for this expansion hook bolt? A: It works for solid concrete, common brick, hollow block; not recommended for very soft aerated blocks without reinforcement. Actual load depends on base wall condition.
Q: Can I get sample before bulk B2B purchase? A: Yes, we support sample order for performance verification, sample freight is at buyer’s cost.
Q: Do you adjust products for high‑humidity coastal market? A: Yes, copper‑plated surface is our standard option for humid regions, we can also offer alternative surface finishes on request.

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Main Product:
Steel Pipes and Tubes,
Stainless Steel Flange,
Stainless Steel Valve,
Pipe Fittings,
Stainless Steel Products,
Sealing and Gaskets
