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Premium Mounted Points &
Internal Grinding Wheels

High-performance abrasives engineered for precision grinding, deburring, and polishing in aerospace, automotive, tool & die, and jewelry manufacturing. Trusted by global partners since 2013.

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About Wenzhou Yinuo Molding Co., Ltd.

Wenzhou Yinuo Molding Co., Ltd. is a high-tech enterprise based in China, specializing in the design, development, and manufacturing of mounted points and internal grinding wheels. With over 10 years of production experience, we have built a reputation for delivering high-quality abrasive tools to clients across the globe.


Our product range includes aluminum oxide, silicon carbide, rubber, diamond mounted points, mounted flap wheels, felt polishing bobs, and internal grinding wheels—each engineered for specific industrial applications such as precision grinding, finishing, and deburring of carbides, glass, ceramics, and metals.

Manufacturing Facility

Our Product Range

Aluminum Oxide Mounted Points

Aluminum Oxide Mounted Points

Made from high-quality pink (PA), white (WA), and brown fused alumina (A). Ideal for internal grinding, precision finishing, and deburring of steel and cast iron components.

  • Shank: 1/8" (3mm) or 1/4" (6mm)
  • Shapes: Cylindrical, conical, T-shape, spherical
  • Applications: Tool & die, automotive, aerospace
Silicon Carbide Mounted Points

Silicon Carbide Mounted Points

Manufactured with green (GC) and black silicon carbide (C). Designed for cutting, grinding, and honing non-ferrous metals, cast iron, and hard carbides.

  • Excellent for brittle and hard materials
  • High thermal conductivity
  • Used in precision mold repair
Rubber Mounted Points

Rubber Mounted Points

Combines aluminum oxide abrasives with flexible rubber bonding. Perfect for fine finishing, polishing, and deburring ferrous and non-ferrous metals.

  • Ideal for metal mold manufacturing and repair
  • Conforms to complex contours
  • Smooth surface finish
Diamond Mounted Points

Diamond Mounted Points

High-performance points made with industrial diamond and vitrified or resin bond. Used for grinding granite, marble, ceramics, glass, and small holes in carbides.

  • Superior hardness and wear resistance
  • Precision internal grinding
  • Long tool life
Mounted Flap Wheels

Mounted Flap Wheels

Constructed from abrasive cloth layers bonded with resin. Ideal for polishing wood, stone, ferrous and non-ferrous metals, including deep hole finishing.

  • Uniform cutting action
  • Heat-resistant design
  • Extended service life
Mounted Felt Wheels

Mounted Felt Wheels (Polishing Bobs)

Made from high-density woolen felt. Used in mechanical, electrical, mold, medical, and tooling industries for fine polishing and buffing.

  • Soft and conformable
  • Works with polishing compounds
  • Leaves mirror-like finishes
Internal Grinding Wheels

Internal Grinding Wheels

Cylindrical wheels with a central hole, made from aluminum oxide and silicon carbide. Designed for internal and external surface grinding in tight spaces.

  • Precision-engineered for consistency
  • Used in tool & die and automotive sectors
  • High RPM compatibility
Custom Mounted Points

Custom Shapes & Sizes

We offer tailored solutions including A-shape, B-shape, and W-shape mounted points. Customized to your specifications, drawings, or samples.

  • Custom profiles and dimensions
  • Shank options: 3mm or 6mm
  • Fast prototyping and bulk production

Custom Mounted Points & Grinding Wheels

Need a specific shape, size, or abrasive compound? We specialize in custom manufacturing of mounted points and internal grinding wheels based on your technical drawings, samples, or application requirements.

A-Shape Points

Standard cylindrical profile for general internal grinding.

B-Shape Points

Tapered cone design for precision deburring and hole finishing.

W-Shape Points

Wide-taper cup shape ideal for surface contouring.

Special Profiles

Oval, spherical, truncated cone, and custom geometries.

Why Choose Custom?

  • ✔ Match exact tooling requirements
  • ✔ Improve process efficiency and finish quality
  • ✔ Reduce tool changeover time
  • ✔ One-stop solution from design to delivery

Why Partner With Us?

10+

Years Experience

Over a decade of expertise in abrasive tool manufacturing.

50%

Cost Savings

Lower production costs compared to US/EU manufacturers.

Global

Shipping

Reliable delivery to customers worldwide.

100%

Quality Control

End-to-end quality management from raw materials to shipping.

Frequently Asked Questions

What are mounted points used for?

Mounted points are small abrasive tools used for internal grinding, deburring, finishing, and polishing in tight spaces. Commonly used in tool & die, aerospace, automotive, and jewelry industries.

What shank sizes do you offer?

We offer mounted points with 1/8" (3mm) and 1/4" (6mm) shanks, compatible with most die grinders and rotary tools.

Can you make custom shapes?

Yes, we provide full customization based on your drawings, samples, or specifications including A, B, W, and special shapes.

What materials can your diamond points grind?

Our diamond mounted points are ideal for hard materials like carbides, ceramics, glass, marble, and granite.

Do you offer bulk pricing?

Yes, we provide competitive pricing for large volume orders. Contact us for a quote.

Get in Touch

For inquiries, quotes, or custom orders, reach out to us directly.

Email: [email protected]

We respond to all inquiries within 24 hours.

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