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    Home / Couplings & fittings

    Connecting material for compressed air

    Welcome to our most extensive category - fasteners. This includes all fittings, socket couplings in all available designs or splitters and nipples with hose barbs. You can also choose from simple and reliable plastic systems with cut-ring or rotary couplings for easy routing of compressed air or other media directly to the application. Our range is suitable for automation, measuring and control technology or pneumatic compressed air distribution in industry, engineering and automotive technology. What is good to consider when buying fasteners? What parameters to think about? We will advise you in the sequel, which can be reached by clicking on the blue text.

    #ShowMore#

    Basic distribution of connecting material

    Plug connectors

    Socket couplings are the simplest system for connecting plastic hoses that can be assembled by anyone with at least a little manual dexterity. The hose is inserted into the coupling and the pressure, together with the cutting edge in the coupling, ensures that the hose is easily cut into the coupling and holds perfectly. To remove the clutch, simply release the pressure, squeeze the ring and pull out the hose. For this type of coupling the outer diameter of the tubing matters! Suitable hoses for nozzle systems and instructions on how to select the correct hose can be found here: plastic hoses for compressed air and other media

    Advantages - assembly and disassembly of couplings can be done by everyone
    Disadvantages - cannot be used for vacuum

    Screwing

    The fittings, if chosen correctly , will give you a quality connection. However, a poor selection will undoubtedly result in a media leak. Nickel-plated fittings and brass fittings are mainly used in compressed air for automation, measuring and control technology, nickel-plated ones are also used for fluid technology, but not infrequently also for welding. You can associate stainless steel fittings with the highest demands on hygiene, especially in the chemical, pharmaceutical and food industries. Among other things, it tolerates aggressive media best and has a long service life. When selecting a fitting, pay close attention to the threads - G, R and M threads are the most common in the range.

    Advantages - easy assembly, reliable connection and resistance to higher pressures
    Disadvantages - large leakages are possible with incorrect installation or incorrect threading

    • Plastic socket couplings; socket blue
    • Metal socket couplings; brass version
    • Functional fittings and dampers; throttle valves and dampers
    • Nickel-plated fittings; reducers, sockets, fittings
    • Brass fittings; holandry, reducer, adapter
    • Stainless steel fittings; reducers, holenders, sockets
    • Quick couplings and nipples; all DN profiles
    • Quick couplings and nipples; plastics industry
    • GEKA bayonet couplings; system for water applications
    • Couplings with coupling nut; up to 25 bar
    • NPT plastic couplings; US inch dimensions
    • Self-closing couplings; plug-in version
    • Plastic rotary couplings; socket couplings up to 1500 rpm
    • Couplings with cutting ring; up to 60 bar pressure
    • Stainless steel fittings; with cutting ring up to 250 bar
    • Miniature socket couplings; socket design
    • Plastic with overmolded nut; for aggressive media
    • Stainless steel socket couplings; stainless steel AISI316
    • Distribution bars; various inputs outputs
    • Screwdrivers with socket; plastic and brass
    • Fittings; made of aluminium and POM
    • RA threaded fittings; made of galvanized steel
    • Hose clamps; various types and designs
    • Sealing tapes and rings; threaded adhesives

    Bestsellers

    Direct coupling 6
    €1,47 –4 %
    Direct coupling 6
    Stock (>1000 pcs)
    Code: PUC-6
    Was: €1,47  (–4 %)
    €1,40
    (€1,16 excl. VAT)
    T-coupling 6
    €1,79 –5 %
    T-coupling 6
    Stock (27 pcs)
    Code: PUT-6
    Was: €1,79  (–5 %)
    €1,70
    (€1,40 excl. VAT)
    Direct coupling 8
    €1,58 –5 %
    Direct coupling 8
    Stock (>1000 pcs)
    Code: PUC-8
    Was: €1,58  (–5 %)
    €1,50
    (€1,24 excl. VAT)
    Direct coupling 10
    €1,79 –5 %
    Direct coupling 10
    Stock (>1000 pcs)
    Code: PUC-10
    Was: €1,79  (–5 %)
    €1,70
    (€1,40 excl. VAT)
    Direct coupling 4
    €1,26 –4 %
    Direct coupling 4
    Stock (>1000 pcs)
    Code: PUC-4
    Was: €1,26  (–4 %)
    €1,20
    (€0,99 excl. VAT)
    Straight fitting 8/6 mm - G3/8"
    €3,17 –5 %
    Straight fitting 8/6 mm - G3/8"
    Stock (>1000 pcs)
    Code: RPCG-388
    Was: €3,17  (–5 %)
    €3,01
    (€2,49 excl. VAT)
    Quick couplings with external pipe thread G1/2"
    €6,67 –4 %
    Quick couplings with external pipe thread G1/2"
    Stock (>1000 pcs)
    Code: ES12A
    Was: €6,67  (–4 %)
    €6,34
    (€5,24 excl. VAT)
    Straight fitting 10 - G3/8"
    €2,84 –4 %
    Straight fitting 10 - G3/8"
    Stock (586 pcs)
    Code: PCG-3810
    Was: €2,84  (–4 %)
    €2,70
    (€2,23 excl. VAT)
    Straight fitting 8 - G1/4"
    €1,69 –5 %
    Straight fitting 8 - G1/4"
    Stock (>1000 pcs)
    Code: PCG-148
    Was: €1,69  (–5 %)
    €1,60
    (€1,32 excl. VAT)
    Straight fitting 6 - R1/2"
    €4,24 –4 %
    Straight fitting 6 - R1/2"
    Stock (>1000 pcs)
    Code: PC-126
    Was: €4,24  (–4 %)
    €4,03
    (€3,33 excl. VAT)

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    Product sorting

    170 items total

    List of products

    Straight fitting 4 - R1/8"
    Tip
    €1,28 –5 %
    Straight fitting 4 - R1/8"
    Stock (433 pcs)
    €1 excl. VAT
    €1,21 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. For quick and easy installation of plastic tubing with an outer diameter of 4 mm. Designed especially...

    Code: PC-184
    Knees, inside G1/8" - external R1/8"
    Tip
    €2,33 –5 %
    Knees, inside G1/8" - external R1/8"
    Stock (>1000 pcs)
    €1,83 excl. VAT
    €2,21 / pcs

    Elbows with inner G1/8" - outer R1/8" with lengths 21 and 18. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement and control...

    Code: A022-18
    Straight fitting 8 - R1/8"
    Tip
    €1,87 –5 %
    Straight fitting 8 - R1/8"
    Stock (116 pcs)
    €1,46 excl. VAT
    €1,77 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. Internal Allen key for tightening. Quick and easy installation of plastic tubing with 8 mm outer...

    Code: POC-188
    Straight fitting 12 - R1/8"
    Tip
    €3,28 –5 %
    Straight fitting 12 - R1/8"
    Stock (684 pcs)
    €2,57 excl. VAT
    €3,11 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. For quick and easy installation of plastic tubing with 12 mm outer diameter. Designed especially for...

    Code: PC-1812
    L-coupling 6 - R1/8"
    Tip
    €2,09 –5 %
    L-coupling 6 - R1/8"
    Stock (>1000 pcs)
    €1,64 excl. VAT
    €1,98 / pcs

    Socket coupling in plastic corner design with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 6 mm outer diameter. Designed especially for...

    Code: PL-186
    Straight fitting 6 - R1/8"
    Tip
    €1,28 –5 %
    Straight fitting 6 - R1/8"
    Stock (792 pcs)
    €1 excl. VAT
    €1,21 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. For quick and easy installation of plastic tubing with 6 mm outer diameter. Designed especially for...

    Code: PC-186
    Straight fitting 4 - R1/8"
    Tip
    €1,38 –4 %
    Straight fitting 4 - R1/8"
    Stock (438 pcs)
    €1,09 excl. VAT
    €1,32 / pcs

    Socket coupling in straight plastic design with 1/8" male pipe thread. Internal Allen key for tightening. Quick and easy installation of plastic tubing with 4 mm outer diameter....

    Code: POC-184
    Straight fitting 8 - R1/8"
    Tip
    €1,54 –4 %
    Straight fitting 8 - R1/8"
    Stock (822 pcs)
    €1,21 excl. VAT
    €1,47 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. For quick and easy installation of plastic tubing with an outer diameter of 8 mm. Designed especially...

    Code: PC-188
    L-coupling 8 - R1/8"
    Tip
    €2,16 –5 %
    L-coupling 8 - R1/8"
    Stock (>1000 pcs)
    €1,69 excl. VAT
    €2,05 / pcs

    Socket coupling in plastic corner design with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 8 mm outer diameter. Designed especially for...

    Code: PL-188
    L-coupling swivel 4 - R1/8"
    Tip
    €3,55 –5 %
    L-coupling swivel 4 - R1/8"
    Stock (376 pcs)
    €2,79 excl. VAT
    €3,37 / pcs

    Swivel socket l-coupling in corner plastic version with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 4 mm outer diameter. Designed especially for...

    Code: PH-184
    Angular throttle valve 8 - R1/8"
    Tip
    €6,23 –4 %
    Angular throttle valve 8 - R1/8"
    Stock (343 pcs)
    €4,89 excl. VAT
    €5,92 / pcs

    Socket couplings with reduced dimensions and weight, for quick and easy assembly of plastic tubing Designed especially for automation, measuring and control technology and...

    Code: SCO-188
    A fork with output internal threads R1/8" and input thread G1/8"
    Tip
    €3,41 –4 %
    A fork with output internal threads R1/8" and input thread G1/8"
    Stock (379 pcs)
    €2,68 excl. VAT
    €3,24 / pcs

    Coupling with outlet internal threads R1/8" and inlet thread G1/8", length 14. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement...

    Code: A041-18
    Straight fitting 8/6 mm - R1/8"
    €2,06 –5 %
    Straight fitting 8/6 mm - R1/8"
    Stock (>1000 pcs)
    €1,61 excl. VAT
    €1,95 / pcs

    Straight fitting with 8/6 mm hose nut and R1/8" male conical thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPC-188
    L-coupling extended 4 - R1/8"
    Tip
    €2,93 –5 %
    L-coupling extended 4 - R1/8"
    Stock (520 pcs)
    €2,30 excl. VAT
    €2,78 / pcs

    Extended socket coupling in corner plastic version with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 4 mm outer diameter. Designed especially for...

    Code: PLL-184
    L-coupling extended 6 - R1/8"
    Tip
    €3,20 –5 %
    L-coupling extended 6 - R1/8"
    Stock (86 pcs)
    €2,51 excl. VAT
    €3,04 / pcs

    Extended socket coupling in corner plastic version with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 6 mm outer diameter. Designed especially for...

    Code: PLL-186
    L-coupling extended 8 - R1/8"
    Tip
    €3,46 –4 %
    L-coupling extended 8 - R1/8"
    Stock (963 pcs)
    €2,72 excl. VAT
    €3,29 / pcs

    Extended socket coupling in corner plastic version with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 8 mm outer diameter. Designed especially for...

    Code: PLL-188
    Screwing with external pipe threads R1/8" - R1/8"
    Tip
    €0,99 –5 %
    Screwing with external pipe threads R1/8" - R1/8"
    Stock (>1000 pcs)
    €0,78 excl. VAT
    €0,94 / pcs

    A006 pipe thread fitting with R 1/8" thread, 7,5 thread lengths. Second thread R 1/8", thread length 7,5. Version in brass with nickel-plated finish. Applications for fluid...

    Code: A006-1818
    242973 1 l sroubeni s reznym krouzkem 6 4 r1 8
    €4,04 –4 %
    L-thread with cutting ring 6/4 - R1/8"
    Stock (539 pcs)
    €3,17 excl. VAT
    €3,84 / pcs

    Corner fitting with cutting ring in 1/8" male thread for 6/4 mm tubing. Universal fittings for use in various areas, dimensions and design meet the requirements of DIN...

    Code: O16-186
    Adapter external pipe thread R1/8" - NPT 1/8"
    €7,38 –5 %
    Adapter external pipe thread R1/8" - NPT 1/8"
    Stock (153 pcs)
    €5,79 excl. VAT
    €7,01 / pcs

    Adapter with RNN male threads with R 1/8" male taper and NPT 1/8" US thread. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement...

    Code: RNN1818M
    Straight fitting 6 - R1/8"
    Tip
    €1,96 –5 %
    Straight fitting 6 - R1/8"
    Stock (502 pcs)
    €1,54 excl. VAT
    €1,86 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. Internal Allen key for tightening. Quick and easy installation of plastic tubing with 6 mm outer...

    Code: POC-186
    L-coupling swivel 8 - R1/8"
    Tip
    €4,63 –5 %
    L-coupling swivel 8 - R1/8"
    Stock (446 pcs)
    €3,63 excl. VAT
    €4,39 / pcs

    Swivel socket l-coupling in corner plastic version with 1/8" male tapered thread. Quick and easy installation of plastic tubing with 8 mm outer diameter. Designed especially for...

    Code: PH-188
    Direct fitting 1/4" - R1/4"
    €1,53 –5 %
    Direct fitting 1/4" - R1/4"
    Stock (473 pcs)
    €1,20 excl. VAT
    €1,45 / pcs

    Straight plastic socket coupling for 1/4" male hose with R1/4" male tapered thread. The line with special used on technology imported from the Americas and Asia. Designed...

    Code: PCI-1414
    Direct fitting 10 - R1/8"
    Tip
    €2,42 –4 %
    Direct fitting 10 - R1/8"
    Stock (554 pcs)
    €1,90 excl. VAT
    €2,30 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. For quick and easy installation of plastic tubing with 10 mm outer diameter. Designed especially for...

    Code: PC-1810
    248988 1 prime sroubeni 4 1 8
    €2,48 –4 %
    Miniature straight fitting 4 - 1/8"
    Stock (402 pcs)
    €1,95 excl. VAT
    €2,36 / pcs

    Miniature socket head straight fitting with R1/8" male tapered thread for 4 mm plastic tubing. Reduced size and weight for quick and easy installation of plastic tubing....

    Code: PCC-184
    Direct fitting 1/4" - R1/8"
    €1,57 –5 %
    Direct fitting 1/4" - R1/8"
    Stock (234 pcs)
    €1,23 excl. VAT
    €1,49 / pcs

    Straight plastic socket coupling for 1/4" male hose with R1/8" male tapered thread. The line with special used on technology imported from the Americas and Asia. Designed...

    Code: PCI-1814
    Y-connector 8 - R1/8"
    Tip
    €3,20 –5 %
    Y-connector 8 - R1/8"
    Stock (432 pcs)
    €2,51 excl. VAT
    €3,04 / pcs

    Swivel y-coupling with 1/8" male tapered thread for quick and easy installation of plastic tubing with 8 mm outer diameter. Designed especially for automation, measuring and...

    Code: PWT-188
    L-thread with external thread 4 - R1/8"
    €3,62 –4 %
    L-thread with external thread 4 - R1/8"
    Stock (101 pcs)
    €2,84 excl. VAT
    €3,44 / pcs

    Socket couplings in corner "L" design for quick and easy assembly of plastic hoses with outer diameter of 4 mm Coupling with outer tapered thread R 1/8". Applications in...

    Code: MPL-184
    252312 sroubeni s trnem s vnejsim kuzelovym zavitem 4 r1 8
    Tip
    €1,52 –5 %
    Bolting with mandrel with external taper thread 4 - R1/8"
    Stock (321 pcs)
    €1,19 excl. VAT
    €1,44 / pcs

    Hose barb fitting with male conical thread R1/8" - 4 mm. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement and control technology.

    Code: A015-184
    252327 1 sroubeni s trnem s vnejsim kuzelovym zavitem 9 r1 8
    Tip
    €1,88 –4 %
    9 - R1/8" mandrel screw with external taper thread
    Stock (561 pcs)
    €1,48 excl. VAT
    €1,79 / pcs

    Hose shank fitting with male conical thread R1/8" - 9 mm. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement and control technology.

    Code: A015-189
    Miniature straight fitting 6 mm - 1/8"
    €2,17 –5 %
    Miniature straight fitting 6 mm - 1/8"
    Stock (350 pcs)
    €1,70 excl. VAT
    €2,06 / pcs

    Miniature socket head straight fitting with R1/8" male tapered thread for 6 mm plastic tubing. Reduced size and weight for quick and easy installation of plastic tubing....

    Code: PCC-186
    242979 1 l sroubeni s reznym krouzkem 8 6 r1 8
    €5,08 –4 %
    L-thread with cutting ring 8/6 - R1/8"
    Stock (176 pcs)
    €3,99 excl. VAT
    €4,83 / pcs

    Corner fitting with cutting ring in 1/8" male thread for 8/6 mm hose. Universal fittings for use in various areas, dimensions and design meet the requirements of DIN 3870-3861....

    Code: O16-188
    252318 1 sroubeni s trnem s vnejsim kuzelovym zavitem 6 r1 8
    Tip
    €1,39 –5 %
    Bolting with mandrel with external taper thread 6 - R1/8"
    Stock (>1000 pcs)
    €1,09 excl. VAT
    €1,32 / pcs

    Hose shank fitting with male conical thread R1/8" - 6 mm. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement and control technology.

    Code: A015-186
    T-bolts with external threads R1/8"
    Tip
    €3,14 –5 %
    T-bolts with external threads R1/8"
    Stock (73 pcs)
    €2,46 excl. VAT
    €2,98 / pcs

    T-fittings with external threads R1/8" with lengths 36 and 18. Version in brass with nickel-plated finish. Applications for fluid power, automation, measurement and control...

    Code: A036-18
    T-piece with external threads Rp1/8"
    €4,35 –4 %
    T-piece with external threads Rp1/8"
    Stock (503 pcs)
    €3,42 excl. VAT
    €4,14 / pcs

    T-piece with external threads Rp1/8". Designed for operations with high demands on durability, longevity and hygiene. Recommended applications in the chemical, pharmaceutical...

    Code: AX023-18
    Corner fitting 1/4" - R1/8"
    €2,40 –5 %
    Corner fitting 1/4" - R1/8"
    Stock (123 pcs)
    €1,88 excl. VAT
    €2,28 / pcs

    Corner plastic socket coupling for 1/4" outer hose with R1/8" male tapered thread. The line with special used on technology imported from the Americas and Asia. Designed...

    Code: PLI-1814
    X-bolting with internal threads Rp1/8"
    €5,11 –4 %
    X-bolting with internal threads Rp1/8"
    Stock (50 pcs)
    €4,02 excl. VAT
    €4,86 / pcs

    X-fittings with internal threads Rp1/8". Designed for operations with high demands on durability, longevity and hygiene. Recommended applications in the chemical, pharmaceutical...

    Code: AX026-18
    L-coupling through - 4 - R1/8"
    Tip
    €4,84 –4 %
    L-coupling through - 4 - R1/8"
    Stock (36 pcs)
    €3,80 excl. VAT
    €4,60 / pcs

    Socket couplings with reduced dimensions and weight, for quick and easy assembly of plastic tubing Designed especially for automation, measuring and control technology and...

    Code: PHF-184
    Direct fitting 10 - R1/8"
    Tip
    €2,49 –4 %
    Direct fitting 10 - R1/8"
    Stock (278 pcs)
    €1,96 excl. VAT
    €2,37 / pcs

    Socket coupling in straight plastic design with 1/8" male tapered thread. Internal Allen key for tightening. Quick and easy installation of plastic tubing with 10 mm outer...

    Code: POC-1810
    L-coupling through - 8 - R1/8"
    Tip
    €6,58 –4 %
    L-coupling through - 8 - R1/8"
    Stock (50 pcs)
    €5,17 excl. VAT
    €6,26 / pcs

    Socket couplings with reduced dimensions and weight, for quick and easy assembly of plastic tubing Designed especially for automation, measuring and control technology and...

    Code: PHF-188
    L-thread with external thread 8 - R1/8"
    €4,71 –4 %
    L-thread with external thread 8 - R1/8"
    Stock (205 pcs)
    €3,70 excl. VAT
    €4,48 / pcs

    Socket couplings in corner "L" design for quick and easy assembly of plastic hoses with an outer diameter of 8 mm. Coupling terminated with external tapered thread R 1/8"....

    Code: MPL-188

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