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70x15mm Ring Magnet Ferrite Ceramic Industrial Grade

Component	Specification
Magnet Type	Ferrite / Ceramic
Shape	Ring (Circular with Hole)
Outer Diameter (OD)	70mm
Inner Diameter (ID)	32mm
Thickness	15mm
Coating	Uncoated (Natural Charcoal Grey)
Magnetization	Axial (Through Thickness)

Price

🚚 Ships within 24 Hours
📦 Pan India Delivery

₹ 93.22

(Tax included)

Barcode: 5930504

Product Description The 70x15mm Ring Magnet is a high-durability ferrite (ceramic) magnet designed for industrial, educational, and heavy-duty DIY applications. Featuring a standard 70mm outer diameter and a substantial 15mm thickness, this magnet provides a deep magnetic field. Ferrite magnets are highly resistant to corrosion and demagnetization, making them suitable for use in harsh environments or high-temperature settings without the need for specialized protective coatings.

Key Features

Corrosion Resistant: Naturally rust-proof; requires no plating, making it ideal for outdoor or underwater projects.
Thermal Stability: Can withstand temperatures up to 250°C without losing magnetic strength.
Cost-Effective Power: Provides a steady, reliable magnetic pull at a much lower cost than Neodymium alternatives.
Versatile Geometry: The central hole allows for easy mechanical mounting using bolts, screws, or threaded rods.
Non-Conductive: Being a ceramic material, it acts as an electrical insulator.

Technical Details

Material Grade: Y30 / C5 (Standard Industrial Grade).
Pull Force: Significant vertical pull (depending on the thickness of the steel surface).
Fragility: Like all ceramic magnets, it is brittle; avoid high-impact collisions with other magnets or hard surfaces.

Prototyping and Engineering Tips from Robogears

Magnetic Separator: Use this ring magnet to build a DIY metal debris collector. By mounting it on a handle, you can quickly clear a workshop floor of screws and metal shavings.
Generator Basics: This size is perfect for educational demonstrations of Faraday’s Law. Pass a coil of wire through the center or move the magnet over a coil to generate a measurable electrical current.
Mounting Tip: Since ceramic magnets are brittle, do not over-tighten bolts through the center hole. Use a rubber washer to distribute pressure and prevent the magnet from cracking.
Loudspeaker Repair: These magnets are commonly used in the motor assemblies of large subwoofers or midrange drivers.

Package Includes

1 x 70x15mm Ferrite Ring Magnet

Disclaimer Images are for reference; actual dimensions may have a tolerance of ±0.5mm. SAFETY WARNING: These magnets are powerful enough to pinch skin or interfere with pacemakers and sensitive electronics. Handle with care and keep away from credit cards or hard drives.