Gustav Dyvling
Mid Sweden
Tel: +46 (0) 790 064 471
APM Hexseal® holds the notable distinction of having designed and patented the very first self-sealing fasteners, which later became our trademarked Seelscrews® and Seelbolts®. In addition to providing a strong, reliable seal against all manner of contaminant(s), APM Hexseal’s wide range of hardware products are designed for easy installation and equally easy removal and reuse.
APM Hexseal’s self-sealing fasteners and sealing washers – When simply fastening just isn’t enough!
Manufacturer: APM Hexseal, USA
Technical data
| Pressure range | Up to 20000 psi |
| Material | Stainless steel |
| Temperature range | -106°C - +260°C |
| Seal | Silicone |
Below is a selection. Other threads such as imperial are also available.
| Thread | Length (mm) |
Size P (mm) | H Max (mm) | FLATS (mm) | Hole size | |
| Min (mm) | Max (mm) | |||||
| M3 x 0.5 | 6 till 30 | 6.24 | 2.13 | 5.5 | 3.55 | 3.65 |
| M4 x 0.7 | 8 till 30 | 7.92 | 2.93 | 7.0 | 4.39 | 4.54 |
| M6 x 1 | 8 till 50 | 11.28 | 4.15 | 10.0 | 6.73 | 6.83 |
| M8 x 1.25 | 12 till 50 | 14.69 | 5.65 | 13.0 | 8.45 | 8.55 |
| M10 x 1.5 | 12 till 50 | 19.25 | 7.18 | 17.0 | 10.53 | 10.64 |
| M12 x 1.75 | 20 till 50 | 21.50 | 8.18 | 19.0 | 12.79 | 12.90 |
| M16 x 2 | 20 till 50 | 27.23 | 10.18 | 24.0 | 17.52 | 17.63 |
