HuckBolt Structural Fastener — HuckBolt C50L

Description

1. Product Overview

The HuckBolt C50L is a high-strength, vibration-resistant structural fastener engineered for permanent metal joint assembly in heavy infrastructure and industrial equipment. Primary industrial use includes railcar manufacturing, heavy truck construction, wind turbine towers, and mining equipment where bolted joints must withstand extreme dynamic loads. The key value proposition lies in its lock-bolt technology, which delivers consistent clamp force without torque-tension variability—eliminating joint relaxation and reducing manual inspection costs. Strategically, the C50L is critical for asset-intensive industries transitioning from welding and traditional bolting to faster, safer, and more reliable fastening systems that lower total cost of ownership (TCO).

2. Key Specifications & Technical Characteristics

• Material Composition: High-grade carbon steel (Grade 10.9 equivalent) with optional zinc-aluminum flake coating (Geomet® compliant); pin and collar manufactured to ASTM A304 and A29 standards

• Mechanical Grade: Minimum tensile strength 150,000 psi; proof load 120,000 psi; shear strength 90,000 psi

• Physical Characteristics: Grooved pin with swaged collar design; nominal diameter 5/8” (C50L-5) to 3/4” (C50L-6); dark gray corrosion-resistant finish; pin length from 1.5” to 4.0” in 0.125” increments

• Density: 7.85 g/cm³ (consistent with carbon steel base metal)

• Packaging Options: Industrial cartons (100 pieces) or bulk bins (500–1,000 pieces) with desiccant-lined packaging; palletized for warehouse integration

• Shelf Life: 24 months in original, unopened packaging stored at <85% RH and −20°C to +40°C (no functional degradation; coating performance validated at 36 months)

3. Core Industrial Applications

• Rail & Transit (Primary): Railcar side-sill attachment, coupler pocket assembly, brake beam mounting. Why better: Eliminates loosening under harmonic vibration, reducing re-torque cycles by 80% versus Grade 8 hex bolts.

• Heavy Commercial Vehicles: Frame crossmembers, suspension hangers, fifth-wheel mounting. Advantage: One-sided installation cuts labor time by 50% vs. nut-and-bolt pairs; consistent clamp load eliminates false torque readings.

• Wind Energy Towers: Tower flange connections, internal platform fastening. Why superior: Withstands 10⁷ fatigue cycles at 50% proof load; no preload loss from thermal cycling or micro-slip.

• Mining Equipment: Shaker screen frames, conveyor structure joints, dragline booms. Efficiency gain: Installation inspection eliminated—swaged collar provides visual permanent lock; reduces field rework costs by up to 35%.

4. Competitive Advantages

• Quality Consistency: 100% swage force monitoring at point of manufacture; batch-level tensile and shear validation certified per ISO 17025; zero tolerance on collar cracking.

• Supply Reliability: Global safety stock with 98.5% line-item fill rate; primary and secondary production lines in North America and EMEA; lead time <10 business days for standard SKUs.

• Logistics Capability: Direct-to-factory LTL or full-truckload shipments; JIT delivery windows ±1 hour with digital proof-of-delivery (POD) integration.

• Price Competitiveness: Tiered volume pricing yields 12–18% lower TCO than Huck® OEM-equivalent C50L after factoring in installation labor savings and reduced rework.

• Sustainability & Compliance: Zinc-aluminum coating is Cr(VI)-free (REACH and RoHS compliant); 100% steel recyclable at end of life; packaging uses >90% recycled content.

• Technical Support: Free installation tooling calibration verification; on-site training certification for assembly crews; full DFMEA and installation process documentation available upon NDA.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 metric tons (mixed SKUs allowed within same diameter series)

• Loading Capacity (per 20’ container): 24 metric tons (pallettized, 1.2m x 1.0m footprint, max stack height 1.1m)

• Pricing & Terms: Quoted FOB Houston / Rotterdam / Shanghai; net 30 days for qualified buyers; spot pricing available for <MOQ via distributor network

• Order Lead Time: 15 business days for bulk orders; 5 days for sample quantities (100–500 pieces)