
Wiska
Wiska Hoppmann GmbH is a pioneer among cable gland manufacturers.
Wiska Hoppmann GmbH is a pioneer among cable gland manufacturers. With an extensive range of cable glands including accessories, Wiska supplies a wide variety of industrial sectors and observes the highest quality standards. Here Wiska controls the entire supply chain - decades of work and know-how are behind the sound development work to ensure consistent quality standards in the production of the innovative and high-tech product series. Due to the flexible application possibilities, Wiska connectors are used worldwide in a wide range of industries. WISKA Hoppmann GmbH was founded in Hamburg in 1919, and today the company employs more than 210 people at two sites in Kaltenkirchen.
Wiska Top Seller

WISKA cable glands - individual solutions for many installations
Wiska cable glands as well as cable entries are an important component in electrical wiring installations and are therefore used in most areas of industry and trade. The important requirements of reliably connecting the respective cables with systems and machines are fulfilled by the products with their strain relief and moisture protection properties as well as the general protection they offer against external influences such as dirt or moisture.
Sectors in which cable glands are used include the industrial sector, traffic engineering, shipbuilding, machine and plant construction, lighting technology, wind and solar energy, offshore as well as the food and chemical industries.
The standard design of the Wiska connectors includes the cap nut, the sealing insert and the nozzles. With other product groups such as EMC cable glands, more sensitive installations can also be covered.
Why you should choose a WISKA cable gland:
- Highest quality and reliability
- Standard and individual special solutions
- Modular design, flexible use
- State-of-the-art WISKA laboratory for quality testing
- Low installation and maintenance costs
- Cost-efficient due to low storage costs
Category Topseller


M12 cable glands
An M12 cable gland is characterised by the size of the metric thread, which has an outer diameter of 12 mm.
cable glands M12
M16 cable glands
The M16 cable gland is characterised by its metric thread with a diameter of 16 mm.
cable glands M16
M40 cable glands
The DIN-compliant M40 screw connection has a metric thread with a diameter of 40 mm and a pitch of 1.5.
cable glands M40Large product range of connectors
In order to be able to react to the most diverse specifications of an installation, WISKA® offers a wide portfolio of cable glands, cable entries as well as extensive accessories.
In order to be able to react to the most diverse specifications of an installation, WISKA® offers a wide portfolio of cable glands, cable entries as well as extensive accessories.
The most common cable glands by material are:
They all comply with protection class IP68 or IP69 and withstand temperatures from -40° C to 80° C/100° C.
Overview of metric threads for cable glands
Nominal size metric | Clamping range | External Ø in mm | Pitch |
---|---|---|---|
M12 Cable glands | 3 - 7 mm | 12.0 | 1.5 |
M16 Cable glands | 4.5 - 10 mm | 16.0 | 1.5 |
M20 Cable glands | 7 - 13 mm | 20.0 | 1.5 |
M25 Cable glands | 9 - 17 mm | 25. 0 | 1.5 |
M32 cable glands | 11 - 21 mm | 32.0 | 1.5 |
M40 cable glands | 19 - 28 mm | 40.0 | 1.5 |
M50 cable glands | 27 - 35 mm | 50.0 | 1.5 |
M63 cable glands | 34 - 45 mm | 63.0 | 1.5 |
Overview of PG threads for cable glands
Nominal size | PG Clamping range (approx. data) | Outer Ø of thread in mm | Pitch |
---|---|---|---|
Cable gland PG7 | 2 - 6.5 mm | 12.5 | 1.27 |
Cable gland PG9 | 4 - 8 mm | 15.2 | 1.41 |
Cable gland PG11 | 4 - 10 mm | 18.6 | 1.41 |
Cable gland PG13.5 | 5 - 12 mm | 20.4 | 1.41 |
Cable gland PG16 | 8 - 14 mm | 22.5 | 1.41 |
Cable gland PG21 | 11 - 18 mm | 28.3 | 1.588 |
Cable gland PG29 | 16 - 25 mm | 37.0 | 1. 588 |
Cable gland PG36 | 19 - 32 mm | 47.0 | 1.588 |
Cable gland PG42 | 28 - 38 mm | 54.0 | 1.588 |
Cable gland PG48 | 34 - 44 mm | 59.3 | 1.588 |
PG thread according to DIN 40430
With the modular cable gland system SPRINT®, in which the individual components are perfectly matched to each other, even challenging installations can be mastered perfectly. In addition, quick and uncomplicated assembly saves valuable working time. WISKA® cable glands are characterised by high quality and therefore ensure an ideal connection:
- Cable glands with bending and kink protection
- Tension relief integrated and external for protection against mechanical forces
- Protection against electromagnetic interference by EMC cable glands
- Ex cable glands specially for hazardous areas
- Pressure compensation cable glands protect against temperature conditions and moisture
- Hygienic design cable glands especially for areas with high hygienic requirements
- Seals compatible with all SPRINT® cable glands
- Comprehensive accessories made of plastic, brass and stainless steel such as lock nuts, screw plugs, pressure screws and much more.
Overview NPT cable glands
Thread | Thread pitch |
Outer diameter in mm | Drilling |
---|---|---|---|
NPT 1/4" | 1,41 | 13,7 mm | 14,1 +0,2mm |
NPT 3/8" | 1,41 | 17,1 mm | 17,4 +0,2mm |
NPT 1/2" | 1,81 | 21,3 mm | 21,6 +0,2mm |
NPT 3/4" | 1,81 | 26,7 mm | 27,0 +0,2mm |
NPT 1" | 2,21 | 33,4 mm | 33,7 +0,2mm |
NPT 1 1/4" | 2,21 | 42,2 mm | 42,5 +0,2mm |
NPT 1 1/2" | 2,21 | 48,3 mm | 48,7 +0,2mm |
NPT 2" | 2,21 | 60,3 mm | 60,7 +0,2mm |
NPT 2 1/2" | 3,18 | 73,0 mm | 73,1 +0,4mm |
NPT 3" | 3,18 | 88,9 mm | 89,0 +0,4mm |
NPT 3 1/2" | 3,18 | 101,6 mm | 101,6 +0,4mm |
NPT 4" | 3,18 | 114,4 mm | 114,4 +0,4mm |