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FAQ on Ordering
 

Magnetic Cup Assemblies 



                      Stock sizes

Assembled of a round Chrome plated steel cup and a ceramic ring magnet inside, bonded together and there is a center hole on the steel cup. (RB-10 has no hole. RB-20L and RB-30L have a loop at cup center.)  
B
esides standard models listed bellow, we can make assemblies to custom designs.
M
ax pull is tested on a ½” thick and flat machined steel plate. The actual pull should be smaller      if    your   steel   is  thinner  , rough, rusty, coated or not very flat. For any  critical applications, three-time safety factor is strongly recommended.
A
pplications include magnetic Holding, Lifting, Antenna Mounting, Positioning, Retrieving and more.

 

Cup assembly with a black PVC boot, covering and adhering to its bottom, for mounting  on finished surface.
We have PVC boots for RB-70 and RB-80 in stock.

 

   

Testing Pull Off force of the magnetic cup assembly on the 1/2" thick flat machined steel plate.

STOCK SIZES OF CUP ASSEMBLY:    

 

   
  RB-20, RB-22, RB-30, RB-50, RB-70, RB-80, RB-90, RB-100.   RB-20L, RB-30L   RB-10

 

Part No.

Model

Overall Dia
(in)

Cup hole Dia (in)

Magnet hole Dia(in)

 Height   (in)

Max pull (lb)

Price
($)
Order online
62000 RB-10

0.866

no hole

no hole

0.177

5

0.35
62001

RB-20

1.205

0.125

0.256

0.188

10

0.55
62013

RB-21

1.205

0.156

0.256

0.188

10

0.55
62011

RB-20L

1.205

Loop

0.256

0.188

10

0.60
62002

RB-30

1.400

0.188

0.375

0.281

13

1.05
62012

RB-30L

1.400

Loop

0.375

0.281

12

1.11
62003

RB-50

2.030

0.188

0.866

0.313

25

1.80
62004

RB-70

2.625

0.250

1.000

0.375

60

3.30
62104 PVC Boot of RB-70

2.625

        0.45
62005

RB-80

3.200

0.281

1.203

0.438

80

4.32
62105 PVC Boot of RB-80

3.200

        0.50
62006

RB-90

3.790

0.375

1.280

0.500

130

6.99
62007

RB-100

4.900

0.500

1.750

0.500

190

8.99
Order online to get up to 10% discount depending on the value of your order.
If your order is over $300.00, please E-mail  us for special price! Click here.
 Minimum order requirement is $30.00, including Shipping & Handling Cost.