Stranded Projects & Rework Costs

Standard concrete screws snap under torque. One failed installation costs $180–$400 in labor + materials. Our cobratap concrete screws eliminate strip-outs with case-hardened threading.

Inventory Delays & Minimum Order Headaches

Tired of 12-week lead times? 65% of buyers report stockouts hurt their schedules. Boen Fasteners ships within 48 hours for standard concrete fixing screws, no MOQ penalties.

Hidden Costs: Corrosion & Compliance Failure

Non-certified fasteners fail inspections. Rejection rates hit 12–18% with cheap imports. All our concrete fixing screws meet ISO 9001, CE, RoHS — inspected before every shipment.

Multi-Region Compliance Headaches

USA, EU, UK — different standards. 42% of importers faced customs holds due to missing certificates. Boen provides CCC, FCC, GS, CB, VDE, SAA documentation with every order.

Case-Hardened Thread Technology

Our cobratap concrete screws undergo surface carburization to HRC 50–55 core hardness. 3x more torque resistance than standard grade 8.8 screws.

Triple-Corrosion Protection

Zinc + clear trivalent Cr(VI)-free + sealant — passes 240h+ salt spray (ASTM B117). Ideal for outdoor, marine, and chemical plant environments.

Precision Thread Geometry

Self-tapping concrete fixing screws with asymmetric thread profile reduce installation torque by 22% while increasing pull-out by 37%. No pre-tapping needed.

Factory-Direct Pricing

Eliminate 3–4 layers of markup. Save 18–32% compared to distributor prices. OEM/ODM custom lengths, head types, and coatings available.

Global Logistics, 48h Dispatch

Warehouses in Handan, China + partners in Rotterdam & Los Angeles. Express DDP, FOB, CIF available. 98.7% on-time delivery in 2025.

Full Compliance Package

Every batch includes ISO 9001, CE, RoHS, FCC, UL, GS, CB, VDE, SAA. Certificate of Conformance + traceability report with each shipment.

Producing Cobratap Concrete Screws Since 2010

Handan Boen Fastener Manufacturing Co., Ltd. — Hanguang Industrial Park, Hebei. 15,000m² facility, 120+ skilled workers, and fully automated thread rolling lines. Every batch of concrete fixing screws is inspected by our QC team before packing.

📞 +86 15630072814 · +86 13293070568

Q1: What sizes of cobratap concrete screws do you offer?

A: We stock #10 to 1/2" (M5–M12) diameters and 1" to 6" (25–150mm) lengths. Custom diameters up to 5/8" (M16) and lengths up to 12" (300mm) are available for OEM orders. Contact us for a custom quote.

Q2: Are your concrete fixing screws suitable for outdoor use?

A: Yes. Our standard coating is zinc + trivalent Cr(VI)-free sealant, passing 240h salt spray per ASTM B117. For marine or chemical environments, we offer hot-dip galvanized and stainless steel (A2/A4) variants.

Q3: What is the minimum order quantity (MOQ)?

A: For standard cobratap concrete screws, no MOQ — we accept sample orders. For custom sizes/coatings, MOQ is typically 5,000–10,000 pcs depending on complexity. We offer tiered pricing for volume.

Q4: How do you ensure quality control for concrete fixing screws?

A: Every batch undergoes 3-stage inspection: (1) raw material chemical analysis, (2) in-process dimensional check, (3) final hardness + pull-out test. We provide mill certificates and traceability reports with each shipment.

Q5: What are the typical lead times and shipping costs?

A: Standard items ship within 48 hours via DHL/FedEx/UPS. Bulk orders (20+ pallets) ship 7–15 days FOB Tianjin or CIF destination. We provide real-time freight quotes — no hidden fees.

Q6: Can you provide OEM/private label packaging?

A: Absolutely. We offer custom packaging with your logo, barcode, and part numbers. MOQ for OEM packaging is 10,000 pcs. Design files accepted in AI, PDF, or CDR formats.

Q7: What payment methods do you accept?

A: We accept T/T (wire transfer), L/C, PayPal, Western Union for international orders. For first-time buyers, 30% deposit + 70% balance against B/L is standard. Sample orders can be paid via PayPal.

Q8: Do you offer free samples for testing?

A: Yes! We provide free samples (up to 10 pcs) for qualified B2B buyers. You only pay for shipping. Request your sample kit →

Mark Svensson

Procurement Manager · NCC AB, Sweden

★★★★★

"We tested cobratap concrete screws against 4 brands. Pull-out was 23% higher and installation torque was lower. We've now standardized on Boen for all our concrete anchoring. Lead time: 5 days to Stockholm."

Jennifer Chen

Supply Chain Director · Turner Construction, USA

★★★★★

"The concrete fixing screws from Boen saved us 31% vs our previous supplier. Quality is consistent — zero rejects in 12,000 units. The certification package made customs clearance seamless."

Ahmed Al-Rashid

Operations Manager · Al Futtaim, UAE

★★★★★

"Fast delivery to Dubai — 6 days door-to-door. The cobratap concrete screws performed perfectly in our 50°C outdoor tests. Great communication from the Boen team. Highly recommended."

Stefan Kowalski

Technical Director · Hochtief AG, Germany

★★★★★

"The technical specs are accurate — HRC 52 core hardness confirmed. We use these concrete fixing screws for high-load structural brackets. ISO 9001 + CE docs provided without delay."