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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 | N.W. | Screw standard M | Adsorptive power kgf |
|---|---|---|---|---|---|---|
| H16 | pot magnet dia. 16, x height 5.2 mm, internal thread for M3 | 16 | 5.2 | 7.1 | M3 | 5 kgf |
| H20 | pot magnet dia. 20, x height 7.2 mm, internal thread for M4 | 20 | 7.2 | 14 | M4 | 8 kgf |
| H25 | pot magnet dia. 25, x height 7.7 mm, internal thread for M5 | 25 | 7.7 | 25 | M5 | 18 kgf |
| H32 | pot magnet dia. 32, x height 7.8 mm, internal thread for M5 | 32 | 7.8 | 44 | M5 | 30 kgf |
| H36 | pot magnet dia. 36, x height 7.6 mm, internal thread for M6 | 36 | 7.6 | 55 | M6 | 40 kgf |
| H40 | pot magnet dia. 40, x height 7.8 mm, internal thread for M6 | 40 | 7.8 | 78 | M6 | 50 kgf |
| H42 | pot magnet dia. 42, x height 8.8 mm, internal thread for M6 | 42 | 8.8 | 86 | M6 | 65 kgf |
| H48 | pot magnet dia. 48, x height 10.8 mm, internal thread for M8 | 48 | 10.8 | 132 | M8 | 72 kgf |
| H60 | pot magnet dia. 60, x height 15 mm, internal thread for M8 | 60 | 15 | 268 | M8 | 110 kgf |
| H75 | pot magnet dia. 75, x height 17.8 mm, internal thread for M10 | 75 | 17.8 | 508 | M10 | 155 kgf |
| Code | Product name | D | H | N.W. | Screw standard M | Adsorptive power kgf |