Corrosion & Rust Damage

Exposed screw heads collect moisture and debris. 47% of fastener failures in outdoor equipment start at the head. (Industry benchmark data)

Safety Hazards & Snagging

Sharp, protruding screw heads cause injuries, snag conveyor belts, and damage sensitive wiring. 1 in 5 workplace incidents in assembly lines involve exposed fasteners.

Aesthetic & Brand Downgrade

Visible, mismatched fasteners lower perceived product quality. 78% of industrial buyers judge product reliability by visual finish.

High Total Cost of Ownership

Frequent re-torquing, replacements, and warranty claims due to unprotected fasteners drive up TCO. €0.12 per cap can save €3.70 per unit in life-cycle costs.

✅ Why Boen Fastener Screw Hole Cover Caps & Screw With Head Cover

Handan Boen Fastener Manufacturing Co., Ltd. (Est. 2010) engineers precision cover caps that protect, conceal, and upgrade your fastening points. Factory-direct pricing, ISO-certified quality, and 10+ years of export expertise.

• 🏭
  Powerful Factory, Direct Price
  Eliminate middlemen. Our 12,000m² facility in Handan produces 2M+ caps monthly with 30% cost advantage vs. European/US suppliers.
• 🔩
  OEM/ODM Design Flexibility
  Custom colors, materials (PA66, PE, PVC, silicone), logos, and dimensions. 7-day prototyping for qualified OEM partners.
• 🚚
  High-Speed Global Delivery
  DDP & FCL options to USA/Europe in 18-25 days. Real-time tracking, consolidated shipping to reduce freight cost per unit.
• ✅
  Quality Assurance, Every Batch
  ISO 9001, RoHS, REACH compliant. 100% dimensional inspection before shipment. Salt spray test reports available on request.

📍 Hanguang Industrial Park, Handan – 10+ years of export excellence

Agricultural Machinery

A German tractor manufacturer replaced exposed bolts with screw hole cover caps (PA66, black). Result: 62% reduction in fastener-related warranty claims over 18 months.

Automotive Under-Hood

Custom screw with head cover (silicone, red) for a Japanese EV battery pack. Achieved IP67 rating and withstood 1,000h salt spray test. 2M+ units delivered.

Construction & Structural Steel

A Middle Eastern stadium project used 30mm dome caps (UV-stabilized PE) on all exposed fasteners. Zero corrosion reported after 2 years in coastal environment.

✅ Certifications & Compliance

ISO 9001:2015 · RoHS · REACH · UL (pending) · Salt spray test reports available

Klaus Weber
Procurement Director, Bavaria AgriTech (Germany)

"We tested three suppliers for screw hole cover caps. Boen delivered the best dimensional consistency and the lowest per-unit cost. Their DDP shipping saved us 18% in logistics overhead."

Sarah Mitchell
Operations Manager, Mitchell Construction (USA)

"The custom screw with head cover in our corporate blue color was a game-changer for our equipment branding. Zero defects in the first 50,000-piece batch. Fast reorder process."

We offer PA66, PE, PVC, silicone, and TPE. Each material is selected based on temperature range, UV exposure, and flame retardancy requirements. Free material samples sent within 48h.

Absolutely. We support OEM/ODM with custom RAL colors, pad printing, and embossed logos. Minimum order quantity for custom color is 10,000 pcs. Lead time 15-20 days after approval.

We offer FOB, CIF, and DDP terms. Typical sea freight to Los Angeles or Rotterdam takes 22-28 days. For urgent orders, express air freight (DHL/FedEx) is available in 5-7 days. Request a quote for exact rates.

Yes. We offer free samples (up to 20 pcs) for standard sizes. You only pay shipping. Custom samples are charged at a nominal fee, refundable with first order. Request samples now →

For standard sizes, MOQ is 5,000 pcs per SKU. For custom designs, MOQ is 10,000 pcs. We offer tiered pricing for volume orders (50K+, 100K+, 500K+).

Every batch undergoes dimensional inspection (CMM), visual inspection, and salt spray testing as per ISO 9001 procedures. We provide a Certificate of Analysis with each shipment.

Yes. We provide digital product sheets with GTIN, dimensions, and material codes. API-based ordering is available for high-volume accounts. Contact our technical sales team for integration details.

Dedicated account manager, 24/7 WhatsApp support, and 1-year quality warranty against manufacturing defects. We also provide technical guidance for installation and material selection.

Anders Lindqvist Purchasing Manager, Nordic Construction AB (Sweden)

"We've been using Boen's screw hole cover caps for 2 years. The quality is consistent, and their logistics team proactively updates us on shipment status. 5/5 reliability."

Megan Foster Supply Chain Director, Foster Equipment (UK)

"The custom screw with head cover in low-profile design helped us reduce assembly time by 12%. Great communication and fast样品 delivery. Highly recommended."

Dmitri Volkov Technical Director, Volkov Agro (Ukraine)

"We needed a durable solution for harsh chemical environments. Boen's silicone caps exceeded our expectations. Zero failures after 6 months of field testing."