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1.5 x 0.25 in. N35 Neodymium Disc Magnet | 28 LB Pull Force Rare Earth Disc

CMS Magnetics

MSRP: $12.98
Was: $12.98
Now: $6.48
(You save $6.50 )
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SKU:
ND05578-35N
Condition:
New
Availability:
Usually ships in the next business day
Minimum Purchase:
1 unit
Bulk Pricing:
Buy in bulk and save

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

  • Buy 20 - 49 and pay only $6.35 each
  • Buy 50 - 99 and pay only $6.25 each
  • Buy 100 - 499 and pay only $6.15 each
  • Buy 500 - 999 and pay only $6.12 each
  • Buy 1000 - 2999 and pay only $6.00 each
  • Buy 3000 or above and pay only $5.92 each
Grade:
N35 Rare Earth Neodymium
Pulling Force:
28 lb Direct Pull
Pole Orientation:
Axially
Coating:
NiCuNi
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Product Description

The 1.5" × 0.25" N35 Neodymium Disc Magnet delivers a verified 28 lb perpendicular breakaway pull force in an economical rare earth format. Engineered specifically for high-volume production runs and general OEM fabrication, Grade N35 provides dependable clamping and holding power where commercial budgets require maximum value per unit without paying the premium of high-energy grades.

Technical Specifications

Grade Sintered NdFeB Grade N35
Dimensions 1.50" Diameter × 0.25" Thick (38.1 mm × 6.35 mm)
Pull Force (Case 1) 28 lbs (perpendicular breakaway against 1/2" clean, ground steel plate)
Surface Field (Br) Approx. 2,150 Gauss at pole center (Residual Flux Density Br: 11.7 – 12.2 kG)
Max Energy Product (BH)max 33 – 36 MGOe (263 – 287 kJ/m3)
Magnetization Direction Axially magnetized (through the 0.25" thickness; flat faces are poles)
Plating / Coating Triple-layer Ni-Cu-Ni (Nickel-Copper-Nickel, ~12 – 18 μm)
Dimensional Tolerance ±0.002" (±0.05 mm)
Max Operating Temp (Tmax) 80°C (176°F)

Primary Engineering & Commercial Applications

  • Commercial Cabinetry & Architectural Latches: Embedded into solid wood stiles, pocket doors, or hidden access panels where a 28 lb tactile release is ideal for hand operation without binding.
  • Point-of-Purchase (POP) & Trade Show Displays: Rapid assembly and disassembly of interchangeable graphic panels, shelving headers, and modular retail signage.
  • Workshop Jigs & Shop Fixtures: Embedded into table saw featherboards, drill press fences, and assembly fixtures for non-permanent metal positioning.
  • High-Volume OEM Sub-Assemblies: Cost-effective magnetic coupling for packaging machinery, novelty enclosures, and industrial covers requiring bulk rare-earth procurement.

Safety & Handling Warnings

  • Pinch & Bruise Hazard: With 28 lbs of attractive pull force, two magnets brought into proximity will accelerate unexpectedly. Always slide magnets sideways off the stack rather than pulling perpendicularly.
  • Sintered Brittleness: Sintered NdFeB is ceramic-like and lacks tensile impact resistance. Uncontrolled impact against steel or other magnets can cause rapid chipping, cracking, or projectile shards. Eye protection is recommended.
  • Pacemaker Interference: Strong static magnetic flux fields disrupt cardiac pacemakers, ICDs, and sensitive biomedical implants. Maintain a minimum safe distance of 12 inches (30 cm).
  • Child Ingestion Hazard: Keep strictly away from children. Swallowed rare-earth magnets can attract internally across intestinal walls, creating life-threatening medical emergencies.
  • No Thermal Cutting or Machining: Do not drill, grind, or machine sintered neodymium. Friction heat permanently destroys magnetization, and dry NdFeB grinding dust is pyrophoric (spontaneously flammable).

Mechanical Mounting Notes

  • Mechanical Screw Mounting: For applications requiring screw fastening rather than adhesive pocketing, explore our steel-cased Countersunk Cup Magnets.
  • Non-Ferrous Mating: When mounting this disc against wood, drywall, or aluminum, pair it with a pre-drilled zinc-plated Steel Magnet Striker.

Warranty

This magnet includes a 10-year warranty for its magnetic strength, provided it is used under normal conditions. Usage in environments with elevated temperatures, significant vibration, or intense opposing magnetic fields will render this warranty null and void. It is also not suitable for use outdoors or in areas with high humidity or salt content, unless additional protective insulation measures are implemented.

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Custom Field

Grade N35 Rare Earth Neodymium
Pulling Force 28 lb Direct Pull
Pole Orientation Axially
Coating NiCuNi

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