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Adjustment Bolt Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

An adjustment bolt is a precision-engineered threaded fastener designed to provide controlled vertical movement for leveling and stabilizing industrial machinery. It typically features a hex head or other drive configuration for torque application, with fine threads that allow micrometer-level adjustments. This component is integrated into leveling feet or foundation pad assemblies to compensate for uneven floors, settle loads evenly, and maintain operational alignment of equipment.

Working Principle

The adjustment bolt operates on the screw thread principle, where rotation of the bolt causes linear displacement along its axis. When turned clockwise, the bolt extends downward, lifting the machine; counterclockwise rotation retracts it, lowering the machine. This creates a precise, adjustable support point that distributes weight and corrects leveling deviations.

Materials

Typically manufactured from medium-carbon steel (e.g., Grade 5 or 8.8), stainless steel (AISI 304/316 for corrosion resistance), or alloy steel. May include zinc plating, hot-dip galvanizing, or other coatings for protection.

Technical Parameters

Length 50-200 mm typical
Head Type Hex head, flange head, or socket head
Thread Type Metric (e.g., M12, M16) or Imperial (e.g., 1/2-13 UNC)
Thread Pitch Fine or standard pitch for precision
Load Capacity 500-5000 kg per bolt
Tensile Strength 400-800 MPa depending on grade

Standards

ISO 4014, ISO 4017, DIN 933, DIN 931

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Adjustment Bolt.

Parent Products

This component is used in the following industrial products

Leveling Feet/Foundations Pads

Adjustable support components installed at the base of machine beds and columns to ensure level alignment and stable foundation.

View Product Details

Engineering Analysis

Risks & Mitigation

Over-torquing can strip threads
Corrosion in humid environments
Inadequate load capacity causing failure
Misalignment from improper adjustment

FMEA Triads

Trigger: Excessive load or vibration
Failure: Thread stripping or bolt shearing
Mitigation: Use bolts with appropriate load rating and install locking mechanisms

Trigger: Corrosive environment
Failure: Reduced strength and seizure
Mitigation: Select corrosion-resistant materials and apply protective coatings

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Thread tolerance per ISO 965, dimensional tolerance per ISO 2768-m

Test Method

Torque testing, load testing, salt spray testing for corrosion resistance

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

How do I select the right adjustment bolt for my machine?

Consider load capacity, thread size, material compatibility with environment, and required adjustment range. Consult engineering specifications for torque and preload requirements.

Can adjustment bolts be reused?

Yes, if undamaged and within tolerance. Inspect threads for wear or deformation and replace if signs of fatigue or corrosion appear.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

Adjustment Bolt