1/2" Ceramic Disc Magnet

1/2" Diameter Ceramic (Ferrite) Disc Magnet – Grade 5, Axially Magnetized, 0.5 Inch x 0.2 Inch, Bulk Packs

Experience reliable magnetic holding power with this 1/2" diameter ceramic disc magnet, designed for crafts, latches, science projects, and educational kits. This Grade 5 ferrite magnet measures 0.500" in diameter by 0.200" thick (12.7 mm x 5 mm), offering a dependable pull force of approximately 8 ounces (0.27 kg). Engineered from a blend of iron oxide and barium or strontium carbonate, this magnet provides consistent performance and is axially magnetized through the thickness for optimal application in both professional and DIY settings.

Key Features

• Grade 5 ceramic (ferrite) composition for steady magnetic strength and cost efficiency
• Axially magnetized through the thickness for reliable attachment and alignment
• Standard tolerance of +/-0.005" on both diameter and thickness for precise fit
• Compatible with hot glue and epoxy adhesives for secure mounting
• Withstands high temperatures up to 592°F (300°C) for versatile use
• Bulk pack options (70 or 350 magnets) to support classrooms, workshops, or large projects

Specifications

• Material: Ceramic (ferrite), composed of iron oxide and barium or strontium carbonate
• Grade: 5
• Diameter: 0.500" (12.7 mm)
• Thickness: 0.200" (5 mm)
• Magnetization: Axially magnetized through thickness
• Pull Force: Approx. 8 oz (0.27 kg)
• Tolerance: ±0.005" (0.13 mm) on diameter and thickness
• Surface: Hard, brittle, dark gray
• Magnetic Properties: Br: 3,950 Gauss; BHmax: 3.6 MGOe; Hc: 2,400 Oersteds; Hci: 2,450 Oersteds
• Max Operating Temp: 592°F (300°C)
• Curie Temp: 842°F (450°C)
• Density: 0.178 lb/in³

Suggested Uses

Professional Applications

• Cabinet and door latches for secure closure in woodworking and cabinetry
• Educational science kits for demonstrating magnetic properties in classrooms
• Small motors and electronic assemblies requiring stable, cost-effective magnets
• Model making, display mounting, and signage for trade shows or retail

Creative DIY and Kids' Projects

• Refrigerator magnets, custom memo boards, and magnetic picture frames
• Magnetic closures for homemade jewelry or craft boxes
• STEM learning activities, such as building simple compasses or magnetic sensors
• Interactive games and learning tools for children, encouraging hands-on discovery

For nearly five decades, Craftparts.com has supported makers, educators, and professionals with dependable craft supplies and components. This 1/2" ceramic disc magnet delivers trustworthy performance, allowing your ideas to come together with confidence and ease. Whether assembling a classroom experiment, designing a custom latch, or sparking a child’s imagination with a magnetic craft, you can count on the consistent quality and support of a company trusted since 1976. Let your creativity take shape-one project, one magnet, and one inspired moment at a time.