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If you can't find what you require in our standard range on the website, kindly use the Enquiry Form to send us your wishes for custom manufacturing. |
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Disc-type holding magnets (with central hole)with barium ferrite magnetsIn comparison to the disc-type holding magnets opposite these holding magnets have a central hole. As a result the holding magnets can be economically attached to a surface using countersunk-head or fillister-head screws.
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For fixing, only countersunk-head screws made from nonmagnetic, non-conducting material (e.g. stainless steel, brass) may be used for model A. | Operating temperatures: | | Max. + 150 °C
Min. - 35 °C | | Holding force decrease: | | - 4% per + 10 °C reversible
Reference temperature: + 20 °C | | Encasing surface: | | zinc plated |
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| Diameter-Tolerance in mm | Tolerances H and L in mm |
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| 10 - 25 | ± 0,2 | 4,5 - 6 | + 0,3 / - 0,2 |
| 32 - 40 | ± 0,3 | 7 - 7,7 | + 0,3 / - 0,2 |
| 47 - 50 | + 0,5 / - 0,3 | 8 | + 0,4 / - 0,2 |
| 57 - 1000 | + 0,6 / - 0,3 | 9 - 22 | + 0,5 / - 0,2 |
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 Model A - countersunk in active area | Model B - cylindrical hole in active area |  |  |
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| | | Dimensions in mm | Holding force * |
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| Type | Design | D | d1 Ø | d2 Ø | t | H | For countersunk
screws | N | kp |
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| HL16 | A | 16,0 | 3,5 | 6,5 | 1,6 | 4,5 | M3 | 14,0 | 1,4 |
| HL20 | A | 20,0 | 4,2 | 8,6 | 2,1 | 6,0 | M4 | 27,0 | 2,7 |
| HL25 | A | 25,0 | 5,5 | 10,4 | 2,5 | 7,0 | M5 | 36,0 | 3,6 |
| HL32 | A | 32,0 | 5,5 | 10,4 | 2,5 | 7,0 | M5 | 72,0 | 7,2 |
| HL40 | A | 40,0 | 5,5 | 10,4 | 2,5 | 8,0 | M5 | 90,0 | 9,0 |
| HL50 | B | 50,0 | 8,5 | 22,0 | | 10,5 | | 180,0 | 18,0 |
| HL63 | B | 63,0 | 6,5 | 24,0 | | 14,0 | | 290,0 | 29,0 |
| HL80 | B | 80,0 | 6,5 | 11,5 | | 18,0 | | 540,0 | 54,0 |
| H90M | A | 90,0 | 10,0 | 18,0 | | 12,0 | | 500,0 | 50,0 |
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All dimensions in mm.
* The holding forces were measured on a ground sheet made of mild steel with a thickness of 10 mm with vertical drawing power. The values given are typical values and can be undershot or exceeded slightly. Small hairline cracks in the magnetic material do not affect the holding force. Ceramic magnetic material is non-corrosive and can be used in wet areas. The shifting force is between 20 - 35% of the holding force, depending on the state of the surface. |
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Order list
Prices /pc. ex works Berlin plus packing, VAT only in Germany
(A = Please ask for price) |
Catalogue
page |
Type |
1 - 19 |
20 - 49 |
50 - 99 |
100 - 199 |
200 - 499 |
500 - 1000 |
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| 21 |
HL16A |
2,75 |
2,10 |
1,80 |
1,35 |
1,00 |
0,80 |
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| 21 |
HL20A |
3,05 |
2,30 |
1,95 |
1,55 |
1,30 |
0,90 |
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| 21 |
HL25A |
3,35 |
2,70 |
2,30 |
1,90 |
1,40 |
1,20 |
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| 21 |
HL32A |
3,50 |
3,05 |
2,70 |
1,95 |
1,45 |
1,25 |
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| 21 |
HL40A |
4,90 |
3,80 |
3,30 |
2,85 |
2,15 |
2,05 |
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| 21 |
HL50B |
6,50 |
5,25 |
4,45 |
3,45 |
2,60 |
2,45 |
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| 21 |
HL63B |
8,05 |
6,90 |
6,30 |
5,25 |
4,80 |
4,65 |
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| 21 |
HL80B |
15,85 |
13,55 |
12,25 |
9,95 |
8,95 |
7,60 |
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H90M |
24,50 |
23,00 |
17,90 |
14,80 |
13,80 |
12,75 |
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Small orders: Payments from foreign countries result in additional bank charges, therefore we charge an additional lump sum of 15,- Euro for all foreign orders with a goods value less than 153,- Euro.
Please ask for our Conditions of sale, delivery and payment in english and our export conditions for your country. |
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Index 
Order list 
Disc-type holding magnets...
Disc-type holding magnets...