Anchor Bolt Set: Thread Size M12 to M64, Length 150-1000 mm

Component Specifications

Definition

A complete assembly of threaded anchor bolts, nuts, washers, and sometimes anchor plates designed to permanently secure heavy machinery, structural components, or equipment to concrete foundations or floors. These sets provide critical load transfer from the machine to the foundation, resisting tensile, shear, and moment forces during operation and seismic events.

Working Principle

Works through mechanical interlock and friction. The bolt is embedded in concrete, and when tightened, it creates clamping force that secures the machine base. Expansion anchors use wedge or sleeve mechanisms that expand against the concrete hole walls when torque is applied, creating radial pressure and mechanical interlock. Adhesive anchors use chemical bonding between the bolt and concrete.

Materials

Typically manufactured from medium carbon steel (AISI 1035, 1045) or alloy steel (AISI 4140) with tensile strength 400-1000 MPa. Hot-dip galvanized, zinc-plated, or stainless steel (AISI 304, 316) for corrosion resistance. Nuts and washers matching bolt grade.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Length	150-1000 mm
Proof Load	70-90% of tensile strength
Anchor Type	Expansion, adhesive, or cast-in-place
Thread Size	M12 to M64
Torque Values	100-3000 Nm depending on size
Embedment Depth	Minimum 8-12 times bolt diameter
Tensile Strength	400-1000 MPa

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 898-1, ISO 3506, DIN 931, DIN 933, ASTM F1554

Parent Products

This component is used in the following industrial products

Ground Assembly Unit

A foundational structural component that provides stable mounting and alignment for equipment within an industrial system.

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Engineering Analysis

Risks & Mitigation

Improper installation torque
Insufficient embedment depth
Concrete cracking during installation
Corrosion in aggressive environments
Vibration loosening over time
Incorrect hole diameter

FMEA Triads

Trigger: Insufficient torque during installation
Failure: Bolt loosening under vibration, reduced clamping force
Mitigation: Use calibrated torque wrenches, follow manufacturer torque specifications, implement torque verification procedures

Trigger: Corrosion due to environmental exposure
Failure: Reduced cross-sectional area, potential bolt fracture
Mitigation: Select appropriate corrosion-resistant materials (stainless steel, hot-dip galvanized), apply protective coatings, regular inspection

Trigger: Concrete breakout during seismic events
Failure: Anchor pull-out from concrete, machine displacement
Mitigation: Proper edge distance calculation, use of supplementary reinforcement, seismic-rated anchor systems

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Thread tolerance: 6g for external threads, 6H for internal threads per ISO 965. Length tolerance: ±2 mm for lengths up to 300 mm, ±3 mm for lengths 300-600 mm.

Test Method

Pull-out testing per ASTM E488, shear testing per AC193, seismic testing per AC156, torque-tension relationship testing per ISO 16047.

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

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

Manufacturers of Anchor Bolt Set

Manufacturer profiles associated with Anchor Bolt Set.

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Frequently Asked Questions

What is the minimum embedment depth for anchor bolts?

Minimum embedment depth is typically 8-12 times the bolt diameter for expansion anchors and 10-15 times for adhesive anchors, depending on concrete strength and load requirements.

How do I calculate the required anchor bolt size for my machine?

Calculate based on machine weight, operational forces (vibration, torque), seismic requirements, and concrete strength. Consider tensile, shear, and moment loads using engineering formulas or anchor manufacturer software.

What is the difference between expansion and adhesive anchors?

Expansion anchors create mechanical interlock through expansion against concrete. Adhesive anchors use chemical epoxy to bond the bolt to concrete. Expansion anchors are faster to install; adhesive anchors provide higher load capacity in cracked concrete.

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.

Anchor Bolt Set