مغناطیس‌های گرد با سوراخ و بدون سوراخ، کاربردها و راهنمایی

What Are Round Magnets

Round magnets are circular magnetic discs commonly used in a wide range of consumer, industrial, and technical applications. They are one of the most popular magnet shapes because they provide a uniform magnetic field across their flat surfaces, making them reliable for both holding and sensing tasks.

These magnets can be solid discs (without a hole) or holed discs (with a bore or countersunk opening for mounting). They vary in size, strength, and material to meet different needs.

Understanding Dimensions and Terminology

When choosing round magnets, a few size measurements are essential to know:

• Diameter – The distance across the circular face of the magnet.
• : مواد با اشباع بالا در برابر اضافه‌بار مغناطیسی مقاوم هستند و کارایی خود را تحت میدان‌های قوی حفظ می‌کنند. – How tall the magnet measures from one flat side to the other.
• Bore size – The diameter of any central hole, if present.

Precise dimension details are crucial since magnet strength and application compatibility depend heavily on size.

مواد معمول استفاده شده

Round magnets are manufactured from different magnetic materials, each with its own properties:

• نئودیمیوم (NdFeB) – The strongest type, ideal for maximum holding power in small sizes.
• سرامیک (فِریت) – Cost-effective, corrosion resistant, and suitable for general use.
• آلینُکو cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Round Magnets Without Hole Features and Applications

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Quick reference for common materials:

These solid round disc magnets without hole are the right fit when you need maximum magnetic strength and a clean, simple form—especially for applications where mechanical fastening isn’t required.

Round Magnets With Hole Features and Applications

مگنت‌های گرد با سوراخ و بدون سوراخ

Round magnets with a hole in the center—whether it’s a straight through hole or a countersunk hole—are designed for easy mounting. The hole lets you attach them with screws, bolts, or rivets directly to a surface. This makes them a favorite in setups where you need a magnet to stay firmly in place without shifting.

مزایا

• Easy installation – Secure with simple hardware like screws or bolts.
• Versatile mounting – Works on wood, metal, or plastic surfaces.
• Better mechanical stability – Holds position even under vibration.
• Neat integration – Countersunk holes allow flush screw heads for a cleaner finish.

کاربردهای رایج

• Motors – For fixed placement of magnetic parts.
• Door latches and catches – Keeps panels or doors closed securely.
• Electronic devices – For sensors or mounted components.
• پروژه‌های DIY – Perfect for work that needs reliable mounting without glue.

Types of Holes and Their Impact

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Key Differences Between Round Magnets With Hole and Without Hole

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Magnetic Strength and Field Impact

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Installation and Mounting

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Weight and Cost

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Best Fit by Industry or Environment

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
  • cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
  • cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
  • cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
  • cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
  • cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
  • cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

How to Choose the Right Round Magnet for Your Project

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits or cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits, you’ll want to zero in on a few practical factors. Getting it right the first time saves time, cost, and hassle.

عوامل کلیدی برای درنظر گرفتن

• قدرت مغناطیسی – Neodymium offers the strongest pull; ceramic is more affordable but weaker.
• Mounting Needs – Choose holed magnets if you need to screw or bolt into place; solid discs work best for free-hanging or magnetic contact applications.
• محیط زیست – For outdoor or humid areas, go with materials like coated neodymium or stainless-backed assemblies to prevent rust.
• مقاومت در برابر زنگ‌زدگی – Nickel, epoxy, or rubber coatings extend life in tough conditions.
• Size and Fit – Match diameter, thickness, و hole size (if applicable) to your space and required holding power.
• بودجه – Solid magnets generally cost less; magnets with holes can be slightly higher due to added machining.

Application Recommendations

Why Supplier Reliability Matters

Magnets may look similar, but quality varies a lot between suppliers. Watch for:

• Consistent grades that match advertised strength
• Accurate dimensions for proper fit
• Coatings that last under real-world conditions
• گواهی‌های کیفیت (ISO, RoHS) for safe and compliant use

For long-term projects, sourcing from a trusted magnetic materials supplier ensures you’re getting the right pull force, durability, and fit every time.

چرا NBAEM را برای نیازهای مواد آهنی خود انتخاب کنید

NBAEM has years of experience supplying high‑quality magnets to industries, makers, and small businesses across the U.S. We understand the difference the right magnet makes, whether you’re building equipment, designing products, or working on a DIY project.

Wide Product Range

We offer cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits و cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits in a variety of sizes, grades, and materials, including Neodymium, Ceramic, and Alnico. You can find both standard stock items and custom‑made options to match your exact specifications.

Quality and Customization

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

قیمت‌گذاری رقابتی

به عنوان یک cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limitscURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

خدمات مشتری و پشتیبانی

• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
• cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits مواد مغناطیسی cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Advanced Magnetic Sensors in Modern UAVs

Can the hole size be customized

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

How much does the hole reduce magnetic strength

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

Are magnets with holes more expensive

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

What mounting hardware is recommended

برای cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limitscURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits countersunk holes, flat-head screws provide a flush mount. Stainless steel hardware is best if you need corrosion resistance.

How to install round magnets securely

• Clean both the magnet and the mounting surface.
• Use non-magnetic bolts to avoid interference.
• For high-vibration areas, add a washer or locking nut.
• Apply epoxy or thread-locking adhesive for extra hold.
• Make sure the magnet is not over-tightened to prevent cracking, especially with brittle neodymium magnets.