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A countersink or a counterbored hole is provided on the magnet for securing the magnet with a screw on a prescribed location. The inner bore is a straight hole is not threaded. The standard side of the screw installation surface is the N pole. Please select the S pole depending on the usage.
Shapes of screws may vary in size depending on the manufacturer or standard. The shape of the hole has been machined for ISO / JIS standard screws.
| Screw head | ISO / JIS standard | D | H | ID |
|---|---|---|---|---|
| Countersunk screw | M1.4 | 2 | 0.5 | 1.35 |
| Countersunk screw | M2 | 4 | 1.2 | 1.9 |
| Countersunk screw | M2.5 | 5 | 1.45 | 2.4 |
| Countersunk screw | M3 | 6 | 1.75 | 2.9 |
| Countersunk screw | M3.5 | 7 | 2 | 3.4 |
| Countersunk screw | M4 | 8 | 2.3 | 3.9 |
| Countersunk screw | M5 | 10 | 2.8 | 4.8 |
| Countersunk screw | M6 | 12 | 3.4 | 5.9 |
| Countersunk screw | M8 | 16 | 4.4 | 7.8 |
| Countersunk screw | M10 | 20 | 5.7 | 9.8 |
| Code | Product name | D | H | ID | D1 | N.W. | Screw standard M | Adsorptive power kgf |
|
|---|---|---|---|---|---|---|---|---|---|
 |
A16 | pot magnet dia. 16, x height 5.2 mm, inner hole for countersunk-head bolt dia. 3.5mm | 16 | 5.2 | 3.5 | 6.5 | 7 | M3 | 5 kgf |
|
A20 | pot magnet dia. 20, x height 7.2 mm, inner hole for countersunk-head bolt dia. 4.5mm | 20 | 7.2 | 4.5 | 8.6 | 15 | M4 | 6 kgf |
|
A25 | pot magnet dia. 25, x height 7.7 mm, inner hole for countersunk-head bolt dia. 5.5mm | 25 | 7.7 | 5.5 | 10.4 | 24 | M5 | 14 kgf |
|
A32 | pot magnet dia. 32, x height 7.8 mm, inner hole for countersunk-head bolt dia. 5.5mm | 32 | 7.8 | 5.5 | 10.4 | 39 | M5 | 25 kgf |
|
A36 | pot magnet dia. 36, x height 7.6 mm, inner hole for countersunk-head bolt dia. 6.5mm | 36 | 7.6 | 6.5 | 12 | 50 | M6 | 29 kgf |
|
A42 | pot magnet dia. 42, x height 8.8 mm, inner hole for countersunk-head bolt dia. 6.5mm | 42 | 8.8 | 6.5 | 12 | 77 | M6 | 37 kgf |
|
A48 | pot magnet dia. 48, x height 10.8 mm, inner hole for countersunk-head bolt dia. 8.5mm | 48 | 10.8 | 8.5 | 16 | 120 | M8 | 37 kgf |
|
A60 | pot magnet dia. 60, x height 15 mm, inner hole for countersunk-head bolt dia. 8.5mm | 60 | 15 | 8.5 | 16 | 243 | M8 | 112 kgf |
|
A75 | pot magnet dia. 75, x height 17.8 mm, inner hole for countersunk-head bolt dia. 10.5mm | 75 | 17.8 | 10.5 | 19 | 480 | M10 | 162 kgf |
| Code | Product name | D | H | ID | D1 | N.W. | Screw standard M | Adsorptive power kgf |