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MW 6x1 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010091

GTIN/EAN: 5906301810902

5.00

Diameter Ø

6 mm [±0,1 mm]

Height

1 mm [±0,1 mm]

Weight

0.21 g

Magnetization Direction

↑ axial

Load capacity

0.35 kg / 3.41 N

Magnetic Induction

195.87 mT / 1959 Gs

Coating

[NiCuNi] Nickel

0.221 with VAT / pcs + price for transport

0.1800 ZŁ net + 23% VAT / pcs

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Technical parameters of the product - MW 6x1 / N38 - cylindrical magnet

Specification / characteristics - MW 6x1 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010091
GTIN/EAN 5906301810902
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Diameter Ø 6 mm [±0,1 mm]
Height 1 mm [±0,1 mm]
Weight 0.21 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.35 kg / 3.41 N
Magnetic Induction ~ ? 195.87 mT / 1959 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 6x1 / N38 - cylindrical magnet
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
coercivity bHc ? 10.8-11.5 kOe
coercivity bHc ? 860-915 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 36-38 BH max MGOe
energy density [min. - max.] ? 287-303 BH max KJ/m
max. temperature ? ≤ 80 °C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
properties values units
Vickers hardness ≥550 Hv
Density ≥7.4 g/cm3
Curie Temperature TC 312 - 380 °C
Curie Temperature TF 593 - 716 °F
Specific resistance 150 μΩ⋅cm
Bending strength 250 MPa
Compressive strength 1000~1100 MPa
Thermal expansion parallel (∥) to orientation (M) (3-4) x 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²

Engineering analysis of the assembly - data

Presented values constitute the result of a mathematical analysis. Results rely on models for the class Nd2Fe14B. Operational parameters might slightly deviate from the simulation results. Please consider these data as a supplementary guide during assembly planning.

Table 1: Static force (pull vs gap) - characteristics
MW 6x1 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1958 Gs
195.8 mT
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
low risk
1 mm 1479 Gs
147.9 mT
0.20 kg / 0.44 LBS
199.7 g / 2.0 N
low risk
2 mm 945 Gs
94.5 mT
0.08 kg / 0.18 LBS
81.6 g / 0.8 N
low risk
3 mm 576 Gs
57.6 mT
0.03 kg / 0.07 LBS
30.3 g / 0.3 N
low risk
5 mm 229 Gs
22.9 mT
0.00 kg / 0.01 LBS
4.8 g / 0.0 N
low risk
10 mm 43 Gs
4.3 mT
0.00 kg / 0.00 LBS
0.2 g / 0.0 N
low risk
15 mm 14 Gs
1.4 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
low risk
20 mm 6 Gs
0.6 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
low risk
30 mm 2 Gs
0.2 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
low risk
50 mm 0 Gs
0.0 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
low risk

Table 2: Shear load (wall)
MW 6x1 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.07 kg / 0.15 LBS
70.0 g / 0.7 N
1 mm Stal (~0.2) 0.04 kg / 0.09 LBS
40.0 g / 0.4 N
2 mm Stal (~0.2) 0.02 kg / 0.04 LBS
16.0 g / 0.2 N
3 mm Stal (~0.2) 0.01 kg / 0.01 LBS
6.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 6x1 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.11 kg / 0.23 LBS
105.0 g / 1.0 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.07 kg / 0.15 LBS
70.0 g / 0.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.03 kg / 0.08 LBS
35.0 g / 0.3 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.18 kg / 0.39 LBS
175.0 g / 1.7 N

Table 4: Steel thickness (substrate influence) - sheet metal selection
MW 6x1 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.03 kg / 0.08 LBS
35.0 g / 0.3 N
1 mm
25%
0.09 kg / 0.19 LBS
87.5 g / 0.9 N
2 mm
50%
0.18 kg / 0.39 LBS
175.0 g / 1.7 N
3 mm
75%
0.26 kg / 0.58 LBS
262.5 g / 2.6 N
5 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
10 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
11 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N
12 mm
100%
0.35 kg / 0.77 LBS
350.0 g / 3.4 N

Table 5: Thermal resistance (stability) - thermal limit
MW 6x1 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.35 kg / 0.77 LBS
350.0 g / 3.4 N
OK
40 °C -2.2% 0.34 kg / 0.75 LBS
342.3 g / 3.4 N
OK
60 °C -4.4% 0.33 kg / 0.74 LBS
334.6 g / 3.3 N
80 °C -6.6% 0.33 kg / 0.72 LBS
326.9 g / 3.2 N
100 °C -28.8% 0.25 kg / 0.55 LBS
249.2 g / 2.4 N

Table 6: Magnet-Magnet interaction (attraction) - field range
MW 6x1 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 0.67 kg / 1.47 LBS
3 430 Gs
0.10 kg / 0.22 LBS
100 g / 1.0 N
N/A
1 mm 0.54 kg / 1.18 LBS
3 507 Gs
0.08 kg / 0.18 LBS
80 g / 0.8 N
0.48 kg / 1.06 LBS
~0 Gs
2 mm 0.38 kg / 0.84 LBS
2 957 Gs
0.06 kg / 0.13 LBS
57 g / 0.6 N
0.34 kg / 0.76 LBS
~0 Gs
3 mm 0.25 kg / 0.55 LBS
2 393 Gs
0.04 kg / 0.08 LBS
37 g / 0.4 N
0.22 kg / 0.50 LBS
~0 Gs
5 mm 0.10 kg / 0.21 LBS
1 476 Gs
0.01 kg / 0.03 LBS
14 g / 0.1 N
0.09 kg / 0.19 LBS
~0 Gs
10 mm 0.01 kg / 0.02 LBS
458 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
20 mm 0.00 kg / 0.00 LBS
86 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
7 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
60 mm 0.00 kg / 0.00 LBS
4 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
70 mm 0.00 kg / 0.00 LBS
2 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
80 mm 0.00 kg / 0.00 LBS
2 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
90 mm 0.00 kg / 0.00 LBS
1 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
100 mm 0.00 kg / 0.00 LBS
1 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs

Table 7: Safety (HSE) (implants) - warnings
MW 6x1 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 2.5 cm
Hearing aid 10 Gs (1.0 mT) 2.0 cm
Mechanical watch 20 Gs (2.0 mT) 1.5 cm
Mobile device 40 Gs (4.0 mT) 1.5 cm
Car key 50 Gs (5.0 mT) 1.0 cm
Payment card 400 Gs (40.0 mT) 0.5 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm

Table 8: Collisions (cracking risk) - warning
MW 6x1 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 41.18 km/h
(11.44 m/s)
0.01 J
30 mm 71.31 km/h
(19.81 m/s)
0.04 J
50 mm 92.06 km/h
(25.57 m/s)
0.07 J
100 mm 130.20 km/h
(36.17 m/s)
0.14 J

Table 9: Coating parameters (durability)
MW 6x1 / N38

Technical parameter Value / Description
Coating type [NiCuNi] Nickel
Layer structure Nickel - Copper - Nickel
Layer thickness 10-20 µm
Salt spray test (SST) ? 24 h
Recommended environment Indoors only (dry)

Table 10: Electrical data (Flux)
MW 6x1 / N38

Parameter Value SI Unit / Description
Magnetic Flux 666 Mx 6.7 µWb
Pc Coefficient 0.25 Low (Flat)

Table 11: Hydrostatics and buoyancy
MW 6x1 / N38

Environment Effective steel pull Effect
Air (land) 0.35 kg Standard
Water (riverbed) 0.40 kg
(+0.05 kg buoyancy gain)
+14.5%
Rust risk: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Shear force

*Caution: On a vertical surface, the magnet holds just ~20% of its perpendicular strength.

2. Efficiency vs thickness

*Thin steel (e.g. computer case) significantly weakens the holding force.

3. Temperature resistance

*For standard magnets, the critical limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.25

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Engineering data and GPSR
Chemical composition
iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%
Ecology and recycling (GPSR)
recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 010091-2026
Measurement Calculator
Magnet pull force

Magnetic Field

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This product is an extremely powerful cylinder magnet, composed of modern NdFeB material, which, with dimensions of Ø6x1 mm, guarantees optimal power. The MW 6x1 / N38 model boasts high dimensional repeatability and industrial build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 0.35 kg), this product is in stock from our warehouse in Poland, ensuring rapid order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
It finds application in modeling, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the high power of 3.41 N with a weight of only 0.21 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.
Since our magnets have a very precise dimensions, the best method is to glue them into holes with a slightly larger diameter (e.g., 6.1 mm) using two-component epoxy glues. To ensure long-term durability in automation, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.
Grade N38 is the most popular standard for industrial neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø6x1), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.
The presented product is a neodymium magnet with precisely defined parameters: diameter 6 mm and height 1 mm. The key parameter here is the holding force amounting to approximately 0.35 kg (force ~3.41 N), which, with such compact dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which secures it against oxidation, giving it an aesthetic, silvery shine.
This rod magnet is magnetized axially (along the height of 1 mm), which means that the N and S poles are located on the flat, circular surfaces. Thanks to this, the magnet can be easily glued into a hole and achieve a strong field on the front surface. On request, we can also produce versions magnetized through the diameter if your project requires it.

Advantages and disadvantages of Nd2Fe14B magnets.

Benefits

Besides their remarkable magnetic power, neodymium magnets offer the following advantages:
  • They retain attractive force for nearly ten years – the drop is just ~1% (according to analyses),
  • Magnets very well defend themselves against demagnetization caused by external fields,
  • A magnet with a metallic nickel surface has better aesthetics,
  • Neodymium magnets create maximum magnetic induction on a small area, which allows for strong attraction,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • Due to the possibility of precise molding and adaptation to individualized projects, neodymium magnets can be created in a variety of forms and dimensions, which makes them more universal,
  • Universal use in high-tech industry – they serve a role in magnetic memories, electric motors, precision medical tools, and other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which makes them useful in compact constructions

Weaknesses

Disadvantages of neodymium magnets:
  • Brittleness is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a steel housing, which not only protects them against impacts but also raises their durability
  • We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • Magnets exposed to a humid environment can rust. Therefore during using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
  • Limited ability of making threads in the magnet and complex forms - preferred is a housing - magnet mounting.
  • Possible danger related to microscopic parts of magnets are risky, when accidentally swallowed, which gains importance in the context of child safety. It is also worth noting that small components of these products can complicate diagnosis medical in case of swallowing.
  • With large orders the cost of neodymium magnets is a challenge,

Lifting parameters

Maximum lifting force for a neodymium magnet – what affects it?

The lifting capacity listed is a measurement result conducted under specific, ideal conditions:
  • using a base made of high-permeability steel, acting as a circuit closing element
  • whose transverse dimension reaches at least 10 mm
  • characterized by smoothness
  • without any insulating layer between the magnet and steel
  • under vertical force direction (90-degree angle)
  • at conditions approx. 20°C

Determinants of lifting force in real conditions

In real-world applications, the real power is determined by several key aspects, ranked from most significant:
  • Clearance – existence of any layer (rust, tape, air) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
  • Angle of force application – highest force is available only during pulling at a 90° angle. The shear force of the magnet along the plate is usually several times smaller (approx. 1/5 of the lifting capacity).
  • Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of converting into lifting capacity.
  • Material type – ideal substrate is high-permeability steel. Stainless steels may attract less.
  • Surface condition – ground elements guarantee perfect abutment, which improves force. Rough surfaces weaken the grip.
  • Thermal conditions – neodymium magnets have a negative temperature coefficient. At higher temperatures they are weaker, and in frost they can be stronger (up to a certain limit).

Holding force was tested on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, in contrast under parallel forces the load capacity is reduced by as much as 75%. Moreover, even a minimal clearance between the magnet and the plate reduces the load capacity.

Precautions when working with neodymium magnets
Keep away from computers

Do not bring magnets close to a wallet, computer, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.

Bodily injuries

Mind your fingers. Two powerful magnets will join instantly with a force of several hundred kilograms, crushing everything in their path. Be careful!

Dust explosion hazard

Drilling and cutting of NdFeB material carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is hard to extinguish.

Magnetic interference

GPS units and mobile phones are extremely susceptible to magnetism. Close proximity with a powerful NdFeB magnet can permanently damage the sensors in your phone.

Handling guide

Before starting, check safety instructions. Sudden snapping can destroy the magnet or hurt your hand. Think ahead.

Beware of splinters

Despite the nickel coating, the material is delicate and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.

ICD Warning

Health Alert: Neodymium magnets can deactivate pacemakers and defibrillators. Do not approach if you have medical devices.

No play value

Absolutely store magnets out of reach of children. Choking hazard is significant, and the consequences of magnets clamping inside the body are fatal.

Skin irritation risks

Some people suffer from a sensitization to Ni, which is the common plating for neodymium magnets. Extended handling can result in an allergic reaction. We recommend use safety gloves.

Do not overheat magnets

Standard neodymium magnets (N-type) lose power when the temperature goes above 80°C. This process is irreversible.

Caution! Want to know more? Check our post: Why are neodymium magnets dangerous?