Mounting Holes/Brackets: Component Specs, Materials & Applications

Component Specifications

Definition

Mounting holes and brackets are structural components designed to securely attach pneumatic cylinder bodies to machine frames, workstations, or other supporting structures. They ensure proper alignment, stability, and vibration resistance during operation, maintaining the cylinder's positional accuracy and operational integrity. These components typically include drilled or tapped holes in the cylinder body and corresponding brackets or plates that interface with the mounting surface.

Working Principle

Mounting holes provide fixed attachment points on the cylinder body, while brackets act as adapters or extensions to bridge the cylinder to the mounting surface. The system works by distributing mechanical loads (including thrust forces, vibrations, and moments) through the brackets into the supporting structure, preventing misalignment and reducing stress concentrations on the cylinder body. Proper mounting ensures the cylinder rod moves linearly along its intended axis without binding or side-loading.

Materials

Typically made from carbon steel (e.g., S45C, AISI 1045), stainless steel (e.g., SUS304, AISI 316) for corrosion resistance, or aluminum alloys (e.g., 6061-T6) for lightweight applications. Brackets may include additional rubber or polyurethane damping elements to absorb vibrations.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hole Pattern	Standardized (e.g., 4-hole square, 2-hole inline) or custom
Hole Diameter	M6 to M16 (metric) or 1/4" to 5/8" (imperial)
Temperature Range	-20°C to +120°C (standard materials)
Bracket Load Capacity	500 N to 5000 N static load
Mounting Surface Flatness	≤0.1 mm per 100 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 15552, DIN ISO 6431, ISO 21287

Parent Products

This component is used in the following industrial products

Cylinder Body (Pneumatic)

The main structural housing of a pneumatic cylinder that contains the piston and compressed air.

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Engineering Analysis

Risks & Mitigation

Misalignment causing premature seal wear
Insufficient load capacity leading to bracket failure
Vibration-induced loosening of fasteners
Corrosion in humid or chemical environments

FMEA Triads

Trigger: Improper hole alignment during installation
Failure: Side-loading on cylinder rod, leading to seal damage and reduced lifespan
Mitigation: Use alignment tools during installation and verify parallelism with mounting surface

Trigger: Inadequate bracket material or thickness for applied loads
Failure: Bracket deformation or fracture under operational stress
Mitigation: Calculate load requirements and select brackets with appropriate safety factors (e.g., ≥2:1)

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Hole positional tolerance typically ±0.2 mm, bracket flatness within 0.1 mm

Test Method

Load testing per ISO 15552, vibration testing per ISO 10816, and corrosion resistance testing per ASTM B117

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Mounting Holes/Brackets

Manufacturer profiles associated with Mounting Holes/Brackets.

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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

What are the common types of mounting holes for pneumatic cylinders?

Common types include front flange mount, rear flange mount, foot mount, trunnion mount, and clevis mount, each suited for different load and alignment requirements.

How do I select the right bracket material for my application?

Consider factors like load capacity, environmental conditions (e.g., humidity, chemicals), weight restrictions, and corrosion resistance. Steel is used for high loads, stainless steel for corrosive environments, and aluminum for lightweight needs.

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.

Mounting Holes/Brackets