Chain anchor: Mounting Hole Diameter 12-30 mm, Weight 2-15 kg

Component Specifications

Definition

A chain anchor is a precision-engineered mechanical component designed to provide a secure attachment point for lifting chains within mast assemblies of industrial equipment such as forklifts, cranes, and hoists. It functions as the interface between the chain and the mast structure, distributing tensile loads safely while allowing controlled movement during lifting operations. The component typically features a forged or machined body with reinforced mounting holes, wear-resistant contact surfaces, and standardized dimensions to ensure compatibility with industrial chains.

Working Principle

The chain anchor operates on the principle of mechanical load transfer through shear and tensile resistance. When a lifting chain is tensioned, the force is transmitted through the anchor's body to the mast structure via bolts or pins. The anchor's geometry is designed to prevent chain slippage or disengagement through interlocking features (such as grooves or flanges) while minimizing stress concentrations that could lead to fatigue failure. Proper installation ensures the chain's load path remains aligned with the mast's structural members.

Materials

Typically manufactured from high-strength alloy steel (e.g., AISI 4140 or 4340) with heat treatment (quenching and tempering) to achieve hardness of 40-45 HRC. Corrosion-resistant coatings such as zinc plating or powder coating may be applied. Alternative materials include forged carbon steel for standard-duty applications or stainless steel (e.g., 316 grade) for corrosive environments.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight	2-15 kg
Dimensions	Varies by chain size (e.g., 100x50x30 mm for 10mm chain)
Load Capacity	Rated for 5-50 tons depending on design
Surface Finish	Ra 3.2 μm or better
Operating Temperature	-20°C to +120°C
Mounting Hole Diameter	12-30 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 4347, DIN 5688, ASME B30.9

Parent Products

This component is used in the following industrial products

Mast assembly

The vertical structural assembly that provides the lifting mechanism for a forklift.

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Engineering Analysis

Risks & Mitigation

Overload failure leading to chain detachment
Fatigue cracking from cyclic stresses
Corrosion weakening structural integrity
Improper installation causing misalignment

FMEA Triads

Trigger: Exceeding rated load capacity
Failure: Catastrophic fracture of anchor body
Mitigation: Implement load monitoring systems and operator training on weight limits

Trigger: Corrosion in humid or chemical environments
Failure: Reduced cross-sectional area leading to tensile failure
Mitigation: Use corrosion-resistant materials/coatings and regular protective maintenance

Trigger: Improper bolt torque during installation
Failure: Anchor loosening or stress concentration at mounting points
Mitigation: Follow torque specifications using calibrated tools and verify installation with checklists

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerance ±0.5 mm for critical features; load testing to 150% of rated capacity without permanent deformation

Test Method

Non-destructive testing (magnetic particle or dye penetrant), proof load testing per ISO 17025, hardness verification per ASTM E18

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Chain anchor

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

CCTY BEARING COMPANY

Zhenjiang, Jiangsu, CN

Also makes: Bearing Assemblies, Take-up Unit, Joint Assemblies

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “chain anchor bolts”
View source page ↗ cctygroup.com · recorded 2026-10-11

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Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

How often should chain anchors be inspected?

Chain anchors should be visually inspected before each use and undergo detailed inspection every 6 months or 1,000 operating hours, checking for cracks, deformation, or excessive wear.

Can chain anchors be used with any chain type?

No, chain anchors must be matched to specific chain grades and sizes (e.g., Grade 80 or 100 alloy steel chains) as per manufacturer specifications to ensure safe load ratings.

What causes chain anchor failure?

Common failure causes include overload beyond rated capacity, improper installation (e.g., misaligned bolts), material fatigue from cyclic loading, corrosion in harsh environments, or wear from chain friction.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Chain anchor