Brass Anchors – Precision Brass Expansion Anchors Manufacturer & Exporter from India

Brass Anchors are specialized fasteners used for securing bolts and threaded rods into concrete, masonry, stone, and brick surfaces. We are one of the leading manufacturers and exporters of Brass Anchors from India. We have been supplying Brass Anchors to the world market for many decades. Our precision-engineered Brass anchors are manufactured using high-quality Brass alloys to ensure excellent corrosion resistance, strong holding capacity, and reliable performance in demanding construction and industrial applications. Brass expansion anchors are widely used in civil construction, electrical installations, HVAC systems, and heavy equipment mounting where secure fastening into hard surfaces is required. With more than three decades of manufacturing experience and global exports, we supply Brass anchors in standard and customized sizes conforming to international standards such as ASTM, DIN, BS, ISO, and IS. Our advanced manufacturing facility equipped with CNC machining, thread rolling machines, and inspection equipment ensures high precision and consistent product quality. Standard production turnaround time is 4–6 weeks, depending on size and order volume.
Overview of Brass Anchors
Brass anchors are internally threaded fasteners designed to be inserted into pre-drilled holes in concrete, brick, or masonry. Once installed, the anchor expands or grips the surrounding material, providing a strong threaded base for bolts or screws. Brass anchors are commonly used in applications where corrosion resistance and durability are important, such as plumbing installations, electrical equipment mounting, and structural fastening. Unlike Steel anchors that may rust over time, Brass anchors maintain their integrity in humid or outdoor environments. Their internal threads allow repeated installation and removal of bolts without damaging the surrounding material. Brass anchors are widely used in both light-duty and medium-duty fastening applications in construction, infrastructure, and industrial installations.
Types of Brass Anchors
Brass anchors are available in several designs depending on installation method and application requirements.
| Type | Description |
|---|---|
| Brass Drop-In Anchors | Internally threaded anchors installed flush with surface |
| Brass Expansion Anchors | Expand inside hole for strong grip |
| Brass Knurled Anchors | Knurled outer surface for better holding power |
| Brass Concrete Anchors | Used for heavy-duty concrete installations |
| Brass Masonry Anchors | Designed for brick and block walls |
| Custom Brass Anchors | Manufactured as per drawings |
Material Grades & International Standards
Our Brass anchors are manufactured using high-grade Brass alloys that comply with international specifications.
| Standard | Grade | Description |
|---|---|---|
| ASTM | C36000 | Free Cutting Brass |
| ASTM | C37700 | Forging Brass |
| BS | CZ121 | Free Machining Brass |
| DIN | CuZn39Pb3 | German Brass Standard |
| EN | CW614N | European Brass |
| IS | IS 319 Grade I | Indian Brass |
| JIS | C3604 | Japanese Brass |
| GB (China) | HPb59-1 | Chinese Equivalent |
These materials ensure durability, corrosion resistance, and precise machining.
Manufacturing Process of Brass Anchors
Brass anchors are typically manufactured using precision machining processes from high-quality Brass bars or rods. The process begins with cutting Brass bars into suitable lengths, followed by CNC turning operations to produce the outer diameter and internal threads. Knurling or grooving operations are performed to create expansion segments that provide strong grip inside concrete or masonry. Internal threading is done using tapping machines to ensure accurate metric or UNC threads. After machining, anchors undergo deburring, cleaning, and finishing operations. Surface finishes such as natural Brass, Nickel plating, or passivation may be applied depending on customer requirements. Each batch undergoes dimensional inspection, thread gauge testing, and quality verification to ensure reliable performance.
Typical Size Chart for Brass Anchors
| Internal Thread | Outer Diameter (mm) | Length (mm) | Typical Application |
|---|---|---|---|
| M4 | 6 – 7 | 10 – 15 | Light fixtures |
| M6 | 8 – 10 | 12 – 20 | Electrical installations |
| M8 | 10 – 12 | 15 – 25 | Plumbing fittings |
| M10 | 12 – 16 | 20 – 30 | Industrial equipment |
| M12 | 16 – 20 | 25 – 40 | Structural mounting |
(Custom sizes available as per engineering drawings.)
Physical & Mechanical Properties of Brass Anchors
| Property | Typical Value |
|---|---|
| Density | 8.4 – 8.7 g/cm³ |
| Tensile Strength | 300 – 500 MPa |
| Hardness | 80 – 150 HB |
| Melting Range | 900 – 940°C |
| Corrosion Resistance | Excellent |
These properties make Brass anchors durable and reliable for fastening applications.
Machinery Used in Production
Manufacturing Brass anchors requires advanced machinery such as CNC automatic lathes, multi-spindle turning machines, tapping machines, thread rolling machines, knurling machines, polishing machines, and precision measuring instruments.
Industries Using Brass Anchors
Brass anchors are widely used in construction industry, electrical installations, plumbing systems, HVAC equipment mounting, telecom infrastructure, interior fittings, and industrial machinery installations. Their corrosion resistance makes them suitable for indoor as well as outdoor applications.
Performance Metrics
Brass anchors provide reliable holding strength when installed properly in concrete or masonry. The expansion design ensures secure fastening, while the internal threads allow repeated installation of bolts. Typical dimensional tolerances are maintained within ±0.05 mm, ensuring compatibility with standard bolts and threaded rods.
Why Choose Our Brass Anchors
With more than 30 years of manufacturing and export experience, we supply high-quality Brass anchors to global distributors, contractors, and OEM manufacturers. Our strengths include precision manufacturing, customized designs, flexible production schedules, competitive pricing, and strong customer communication. We also provide customized packaging with customer logos and private labeling options for international brands.
Frequently Asked Questions (Q&A)
Q1: What are Brass anchors used for?
They provide threaded fastening points in concrete, brick, or masonry.
Q2: What thread types are available?
Metric, UNC, UNF, and custom threads.
Q3: Can anchors be Nickel plated?
Yes, Nickel plating and other finishes are available.
Q4: What is the delivery time?
Typical production turnaround is 4–6 weeks.
Q5: Are custom anchors possible?
Yes, anchors can be manufactured as per customer drawings.
Q6: What industries use Brass anchors?
Construction, electrical, plumbing, HVAC, and infrastructure industries.
Q7: What size range is available?
Typically M4 to M16 and above on request.
Q8: Do you export worldwide?
Yes, we export to USA, Europe, Middle East, and Asia.
Q9: Are quality inspection reports provided?
Yes, inspection and material test certificates are available.
Q10: Can anchors be supplied with special packaging?
Yes, customized packaging with private labels is available.
Glossary of Terms
Expansion Anchor: Anchor that expands within a drilled hole for secure grip.
Knurling: Surface pattern used to increase grip between materials.
Internal Thread: Thread inside a component used to receive a bolt or screw.
Masonry Fastening: Securing objects to concrete or brick surfaces.
Related Terms
Brass anchors manufacturer India, Brass expansion anchors supplier, Brass drop-in anchors exporter, masonry anchors Brass, concrete anchor fasteners, threaded Brass anchors.
Get a Quote for Brass Anchors
Looking for Brass Anchors for construction, electrical installation, or industrial fastening applications? We manufacture precision Brass anchors in various sizes, thread standards, and finishes for global customers.
📧 Email: sales@cableglandsindia.com
📞 Phone: +91-22-43449300 | +91-22-43449323