jambrass

451-452, Shanker tekri, Dared, Jamnagar 361004 India

+91-22-43449300, +91-22-43449323

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Brass anchors – drop in anchors

Brass anchors – drop in anchors

Brass anchors – drop in anchors

$10.01 / kg

kg

Brass Drop-In Anchors

Comprehensive Overview of Premium Brass Drop-In Anchors

We are a specialised manufacturer and global supplier of high-performance Brass Drop-In Anchors, engineered for permanent, corrosion-resistant fastening in concrete, masonry, and stone applications. Our drop-in anchors are manufactured from C36000 Free-Cutting Brass, selected for its excellent machinability, superior corrosion resistance, and reliable mechanical performance. These mechanical expansion anchors feature an internal threaded design that provides strong, vibration-resistant connections in the most demanding environments. With precision CNC machining and strict quality control processes, we deliver brass drop-in anchors that exceed industry standards for corrosion resistance, load capacity, and long-term reliability in marine, chemical, industrial, and outdoor applications.

Brass Drop-In Anchors – Corrosion-Resistant Mechanical Fastening Solutions

Brass Drop-In Anchors are internally threaded mechanical expansion anchors designed for permanent installations in concrete, masonry, and natural stone. The unique drop-in design allows for easy installation while providing exceptional holding values and vibration resistance. The superior corrosion resistance of brass makes these anchors ideal for applications where stainless steel or other materials would fail due to corrosion, chemical exposure, or galvanic reactions.

Applications of Brass Drop-In Anchors

  • Marine & Coastal Structures: Dock installations, seawall fixtures, coastal building applications

  • Chemical Processing Plants: Equipment mounting, pipe supports, structural fastenings

  • Water Treatment Facilities: Tank bases, equipment foundations, structural connections

  • Food Processing Industry: Machinery anchoring, sanitary installations, processing equipment

  • Swimming Pool Facilities: Deck equipment, safety systems, perimeter installations

  • Historical Restoration: Masonry preservation, stonework fastening, architectural conservation

  • Outdoor Infrastructure: Bridge components, signage supports, utility installations

  • Industrial Settings: Machinery bases, conveyor systems, equipment foundations

Brass Alloy Specifications for Drop-In Anchors

Brass Alloy UNS Designation Composition Key Properties Applications
Free-Cutting Brass C36000 61.5% Cu, 35.5% Zn, 3% Pb Excellent machinability, good strength, reliable performance General purpose, standard installations
Naval Brass C46400 60% Cu, 39.2% Zn, 0.8% Sn Superior corrosion resistance, high strength Marine, coastal, chemical environments
Silicon Brass C87500 81% Cu, 15% Zn, 4% Si Excellent corrosion resistance, good castability Special applications, custom designs

Brass Drop-In Anchor Technical Specifications

Parameter C36000 (Free-Cutting Brass) C46400 (Naval Brass) C87500 (Silicon Brass)
Tensile Strength (MPa) 340 – 470 380 – 480 380 – 450
Yield Strength (MPa) 125 – 310 170 – 240 160 – 220
Shear Strength (MPa) 240 – 310 260 – 330 250 – 320
Corrosion Resistance Excellent Superior Excellent
Temperature Range -40°C to +120°C -40°C to +150°C -40°C to +130°C

Standard Sizes: M6, M8, M10, M12, M16, M20, 1/4″, 3/8″, 1/2″, 5/8″, 3/4″
Thread Types: Metric coarse, UNC, UNF thread options
Embedment Depths: Standard and deep embedment configurations
Standards Compliance: ISO 898, ASTM B16, UL classified, RoHS compliant

Product Range & Technical Specifications

Standard Drop-In Anchors

  • Design: Internal expansion mechanism with four-way split sleeve

  • Installation: Hammer-set design for easy, tool-free installation

  • Features: Internal machine threads, corrosion-resistant construction

  • Applications: General concrete and masonry fastening

  • Finishes: Natural brass, electro-tin plated options available

Heavy-Duty Drop-In Anchors

  • Design: Reinforced sleeve design for higher load capacities

  • Installation: Professional setting tool recommended

  • Features: Deep embedment, high-strength construction

  • Applications: Structural connections, seismic applications

  • Capacity: Up to 50% higher load ratings than standard anchors

Stainless Steel Insert Drop-In Anchors

  • Design: Brass body with stainless steel internal threads

  • Installation: Standard drop-in anchor installation

  • Features: Corrosion-resistant exterior with high-strength threads

  • Applications: High-corrosion environments with frequent disassembly

  • Benefits: Combines brass corrosion resistance with steel thread durability

Custom Configuration Anchors

  • Design Flexibility: Custom diameters, lengths, and thread configurations

  • Special Applications: Non-standard embedment depths, special thread pitches

  • Branding: Custom markings, color coding, OEM branding

  • Packaging: Bulk packaging, custom kits, installation sets

Manufacturing Processes & Quality Control

Our Brass Drop-In Anchors are manufactured through precision-controlled processes:

  1. Material Selection: Certified brass rods meeting international standards

  2. CNC Machining: Precision turning of anchor bodies and internal threads

  3. Sleeve Cutting: Precision slotting for expansion sleeves

  4. Heat Treatment: Stress relieving for dimensional stability

  5. Surface Finishing: Deburring and edge radiusing

  6. Plating Options: Electro-tin plating for enhanced corrosion protection

  7. Quality Inspection: 100% dimensional and visual inspection

  8. Performance Testing: Sample lot testing for mechanical properties

Quality Assurance Tests:

  • Dimensional Verification: Comprehensive checking of all critical dimensions

  • Thread Gauging: Go/No-Go testing of all internal threads

  • Expansion Testing: Verification of sleeve expansion and contraction

  • Load Testing: Tensile and shear strength validation

  • Salt Spray Testing: Corrosion resistance validation per ASTM B117 (500+ hours)

  • Torque Testing: Installation and removal torque verification

  • Material Certification: Full traceability with mill certificates

Technical Data & Performance Specifications

Load Capacity in Concrete (C25/30)

Anchor Size Minimum Embedment Tensile Capacity Shear Capacity Torque Value Concrete Failure Load
M8 40mm 6.5 kN 8.2 kN 15 Nm 12.8 kN
M10 50mm 9.8 kN 12.5 kN 30 Nm 18.5 kN
M12 60mm 14.2 kN 18.0 kN 55 Nm 25.2 kN
M16 75mm 22.5 kN 28.8 kN 120 Nm 38.5 kN
M20 95mm 32.8 kN 42.5 kN 220 Nm 55.8 kN

Environmental Performance Data

Test Parameter Performance Rating Test Standard Result
Salt Spray Resistance 500+ hours no corrosion ASTM B117 Excellent
Chemical Resistance Resistant to most chemicals ASTM D543 Superior
Temperature Cycling -40°C to +120°C stable Custom testing Reliable
UV Resistance No degradation ASTM G154 Excellent
Water Immersion No corrosion @ 30 days ASTM D870 Outstanding

Installation Guidelines & Technical Data

Professional Installation Specifications

  • Hole Preparation: Proper hole sizing and cleaning procedures

  • Embedment Depth: Minimum and maximum embedment requirements

  • Setting Tools: Recommended setting tools and techniques

  • Torque Values: Proper installation torque specifications

  • Edge Distances: Minimum edge and spacing requirements

Concrete Requirements

  • Compressive Strength: Minimum 20 MPa (3000 psi) for standard applications

  • Cracked Concrete: Suitable for cracked concrete applications

  • Seismic Zones: Appropriate for seismic category C, D, E, F

  • Temperature Range: Install above -10°C (14°F) for optimal performance

Design Features & Benefits

Brass Drop-In Anchor Advantages

  • Superior Corrosion Resistance: Excellent performance in marine, chemical, and outdoor environments

  • High Load Capacity: Strong holding values in concrete and masonry

  • Vibration Resistance: Reliable performance in dynamic loading conditions

  • Easy Installation: Simple hammer-set installation process

  • Internal Threads: Clean appearance and protected threads

  • Temperature Stability: Reliable performance across wide temperature ranges

  • Non-Magnetic Properties: Ideal for sensitive electronic and medical applications

  • Long Service Life: Decades of reliable performance in harsh environments

Performance Characteristics

  • Expansion Mechanism: Four-way sleeve expansion for uniform stress distribution

  • Thread Integrity: Precision-cut internal threads for reliable fastening

  • Surface Finish: Smooth finish for easy installation and corrosion resistance

  • Dimensional Consistency: Tight tolerances for predictable performance

  • Material Purity: High-quality brass alloys for consistent mechanical properties

Industry Compliance & Certifications

International Standards Compliance

  • ISO 898: Mechanical properties of fasteners

  • ASTM B16: Free-cutting brass rod, bar and shapes for use in screw machines

  • UL 486A: Standard for Safety Wire Connectors

  • ISO 9001:2015: Quality management systems

  • RoHS 3: Restriction of hazardous substances

Quality Certifications

  • ISO 9001:2015: Quality management system certification

  • Material Certifications: Full traceability from raw material to finished product

  • Performance Testing: Independent laboratory testing documentation

  • Chemical Analysis: Comprehensive material composition verification

Frequently Asked Questions (FAQ)

Q1: Why choose brass drop-in anchors over zinc-plated steel or stainless steel?
Brass drop-in anchors offer superior corrosion resistance in chemical and marine environments where stainless steel can suffer from stress corrosion cracking. Unlike zinc-plated steel, brass doesn’t rely on surface coatings that can wear off, providing inherent, permanent corrosion resistance throughout the entire cross-section of the anchor.

Q2: What is the installation process for brass drop-in anchors?
The installation process involves: drilling a hole to the specified diameter and depth, cleaning the hole thoroughly of all dust and debris, inserting the anchor until flush with the surface, using a setting tool and hammer to expand the sleeve, and installing the threaded component with the specified torque. Proper hole preparation is critical for optimal performance.

Q3: Can brass drop-in anchors be used in overhead applications?
Yes, brass drop-in anchors are suitable for overhead and vertical applications when properly installed. The mechanical expansion design provides reliable performance in tension loading, making them ideal for overhead pipe supports, ceiling installations, and suspended equipment. Always verify load capacities for specific applications.

Q4: What is the difference between standard and heavy-duty brass drop-in anchors?
Heavy-duty anchors feature thicker sleeve walls, deeper embedment requirements, and reinforced expansion mechanisms for higher load capacities. They’re designed for structural applications, seismic zones, and high-vibration environments where maximum reliability is required. Standard anchors are suitable for most general fastening applications.

Q5: How do I determine the correct anchor size for my application?
Anchor size selection depends on: load requirements (tensile and shear forces), base material strength (concrete compressive strength), embedment depth availability, environmental conditions, and safety factors. Our technical team can provide specific recommendations based on your project requirements and load calculations.

Why Choose Our Brass Drop-In Anchors?

  • Material Expertise: Deep knowledge of brass metallurgy and anchor performance

  • Precision Manufacturing: CNC machining for consistent quality and performance

  • Comprehensive Testing: Rigorous quality control and performance validation

  • Technical Support: Expert guidance on selection and installation

  • Custom Solutions: Tailored designs for unique applications

  • Quality Assurance: ISO 9001 certified manufacturing with full traceability

  • Proven Performance: Reliable performance in demanding applications worldwide

  • Competitive Pricing: Cost-effective solutions without quality compromise

  • Delivery Reliability: Consistent on-time delivery with flexible production capacity

  • Technical Documentation: Complete specifications and installation guides

Call to Action – Contact Us Today

Ensure permanent, corrosion-resistant fastening with our premium brass drop-in anchors. Contact us for quotations, technical specifications, or professional consultation.

  • Request a Quote: Email your project requirements to sales@jambrass.com for comprehensive pricing

  • Technical Consultation: +91-22-43449300 – Speak with our anchor specialists

  • Documentation Request: sales@jambrass.com – Request detailed specifications and test reports

  • Office Address: 1406, 14th Floor, Dalamal Tower, Nariman Point, Mumbai – 400021, Maharashtra, India

  • Factory Address: Plot 10B, GIDC Industrial Estate, Shanker Tekari, Udyognagar, Jamnagar, Gujarat – 361004

  • Samples Available: Contact us for evaluation samples and performance data

  • Project Support: Dedicated assistance for large projects and specialized applications

  • OEM Partnerships: Comprehensive support for manufacturers and distributors

We look forward to providing you with the highest quality brass drop-in anchors and expert technical support for your corrosion-resistant fastening requirements.

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