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    Home / Couplings & fittings / Couplings with coupling nut

    Hose fitting with union nut

    Do you require high connection reliability, for example for vacuum work? In this category, you will find exactly the couplings with union nut that excel in coupling reliability to the maximum. Push-On fitting, superior joint security, with vacuum option for calibrated tubing.

    • Straight fitting
    • Straight fitting
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    • L-fittings swivel

    Bestsellers

    Straight fitting 8/6 mm - G3/8"
    €3,32 –4 %
    Straight fitting 8/6 mm - G3/8"
    Stock (>1000 pcs)
    Code: RPCG-388
    Was: €3,32  (–4 %)
    €3,16
    (€2,61 excl. VAT)
    241626 1 prevlecna matice 6 4 mm
    €0,77 –5 %
    Slip nut 6/4 mm
    Stock (>1000 pcs)
    Code: RM-6
    Was: €0,77  (–5 %)
    €0,73
    (€0,60 excl. VAT)
    Straight fitting 6/4 mm - G3/8"
    €3,30 –5 %
    Straight fitting 6/4 mm - G3/8"
    Stock (612 pcs)
    Code: RPCG-386
    Was: €3,30  (–5 %)
    €3,13
    (€2,59 excl. VAT)
    241419 1 l sroubeni 6 4 mm g1 4
    €4,32 –5 %
    L-thread 6/4 mm - G1/4"
    Stock (>1000 pcs)
    Code: RPLG-146
    Was: €4,32  (–5 %)
    €4,10
    (€3,39 excl. VAT)
    Straight fitting 8/6 mm - G1/4"
    €2,30 –4 %
    Straight fitting 8/6 mm - G1/4"
    Stock (>1000 pcs)
    Code: RPCG-148
    Was: €2,30  (–4 %)
    €2,19
    (€1,81 excl. VAT)
    241515 1 l spojka 12 10 mm 12 10 mm
    €6,01 –4 %
    L-coupling 12/10 mm - 12/10 mm
    Stock (388 pcs)
    Code: RPUL-12
    Was: €6,01  (–4 %)
    €5,71
    (€4,72 excl. VAT)
    241416 1 prepazkova spojka 12 10 mm 12 10 mm
    €7,40 –5 %
    Partition coupling 12/10 mm - 12/10 mm
    Stock (183 pcs)
    Code: RPM-12
    Was: €7,40  (–5 %)
    €7,03
    (€5,81 excl. VAT)
    Direct fitting 12/10 mm - G1/2"
    €5,31 –5 %
    Direct fitting 12/10 mm - G1/2"
    Stock (711 pcs)
    Code: RPCG-1212
    Was: €5,31  (–5 %)
    €5,04
    (€4,17 excl. VAT)
    Straight fitting 6/4 mm - G1/4"
    €2,38 –5 %
    Straight fitting 6/4 mm - G1/4"
    Stock (>1000 pcs)
    Code: RPCG-146
    Was: €2,38  (–5 %)
    €2,26
    (€1,87 excl. VAT)
    239220 1 prima spojka 6 4 mm 6 4 mm
    €2,79 –5 %
    Straight coupling 6/4 mm - 6/4 mm
    Stock (>1000 pcs)
    Code: RPUC-6
    Was: €2,79  (–5 %)
    €2,65
    (€2,19 excl. VAT)

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    221 items to display
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    Contact us

    Product sorting

    221 items total

    List of products

    Straight fitting 8/6 mm - G3/8"
    €3,32 –4 %
    Straight fitting 8/6 mm - G3/8"
    Stock (>1000 pcs)
    €2,61 excl. VAT
    €3,16 / pcs

    Straight fitting with 8/6 mm hose nut and G3/8" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCG-388
    Straight fitting 8/6 mm - G1/4"
    €2,30 –4 %
    Straight fitting 8/6 mm - G1/4"
    Stock (>1000 pcs)
    €1,81 excl. VAT
    €2,19 / pcs

    Straight fitting with 8/6 mm hose nut and G1/4" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCG-148
    L-bolt rotatable with external conical thread RPL-386
    €3,15 –4 %
    L-bolt rotatable with external conical thread RPL-386
    Stock (86 pcs)
    €2,48 excl. VAT
    €3 / pcs

    The corner fitting with 6/4 mm hose nut and G3/8" male tapered thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPL-386
    241623 prevlecna matice 5 3 mm
    €0,73 –4 %
    Slip nut 5/3 mm
    Stock (219 pcs)
    €0,58 excl. VAT
    €0,70 / pcs

    The 5/3 mm hose coupling nut ensures a reliable connection of plastic hoses up to 15 bar. Replacement nut for the screwdriver with union nut. Particularly suitable for...

    Code: RM-5
    Direct fitting internal 10/8 mm - G3/8"
    €4,07 –4 %
    Direct fitting internal 10/8 mm - G3/8"
    Stock (518 pcs)
    €3,20 excl. VAT
    €3,87 / pcs

    The straight fitting with 10/8 mm hose nut and G3/8" female pipe thread ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPCFG-3810
    239238 1 prepazkova spojka 6 4 mm 6 4 mm
    €5,21 –4 %
    Partition coupling 6/4 mm - 6/4 mm
    Stock (>1000 pcs)
    €4,09 excl. VAT
    €4,95 / pcs

    The overflow coupling with 6/4 mm hose nut ensures a reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring resistance to mechanical...

    Code: RPM-6
    Direct fitting 5/3 mm - G1/8"
    €2,21 –4 %
    Direct fitting 5/3 mm - G1/8"
    Stock (223 pcs)
    €1,74 excl. VAT
    €2,10 / pcs

    Straight fitting with 5/3 mm hose nut and G1/8" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCG-185
    241593 1 t spojka 6 4 mm
    €4,40 –5 %
    T-connector 6/4 mm
    Stock (>1000 pcs)
    €3,45 excl. VAT
    €4,18 / pcs

    T-connector with 6/4 mm hose coupling nut ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring resistance to mechanical...

    Code: RPUT-6
    Direct fitting internal 8/6 mm - G3/8"
    €3,54 –5 %
    Direct fitting internal 8/6 mm - G3/8"
    The average product rating is 5,0 out of 5 stars.
    Stock (599 pcs)
    €2,78 excl. VAT
    €3,36 / pcs

    Straight fitting with 8/6 mm hose nut and G3/8" female pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCFG-388
    Straight fitting 8/6 mm - G1/8"
    €2,04 –4 %
    Straight fitting 8/6 mm - G1/8"
    Stock (>1000 pcs)
    €1,60 excl. VAT
    €1,94 / pcs

    Straight fitting with 8/6 mm hose nut and G1/8" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCG-188
    241596 1 t spojka 8 6 mm
    €5,14 –5 %
    T-coupling 8/6 mm
    Stock (>1000 pcs)
    €4,03 excl. VAT
    €4,88 / pcs

    T-connector with 8/6 mm hose coupling nut ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring resistance to mechanical...

    Code: RPUT-8
    L-bolt rotatable with external conical thread RPL-1410
    €4,17 –5 %
    L-bolt rotatable with external conical thread RPL-1410
    Stock (>1000 pcs)
    €3,27 excl. VAT
    €3,96 / pcs

    The corner fitting with 10/8 mm hose nut and G1/4" male tapered thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPL-1410
    239253 1 l sroubeni 5 3 mm g1 8
    €3,58 –5 %
    L-thread 5/3 mm - G1/8"
    Stock (117 pcs)
    €2,81 excl. VAT
    €3,40 / pcs

    The corner fitting with 5/3 mm hose nut and G1/8" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPLG-185
    241422 1 l sroubeni 6 4 mm g3 8
    €3,68 –5 %
    L-thread 6/4 mm - G3/8"
    Stock (173 pcs)
    €2,88 excl. VAT
    €3,49 / pcs

    The corner fitting with 6/4 mm hose nut and G3/8" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPLG-386
    241605 t sroubeni se spodnim zavitem 8 6 mm g1 8
    €5,15 –5 %
    T-screw with bottom thread 8/6 mm - G1/8"
    Stock (150 pcs)
    €4,04 excl. VAT
    €4,89 / pcs

    The T-piece with 8/6 mm hose nut and branch pipe thread G1/8" ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPTG-188
    241446 1 l sroubeni 12 10 mm g3 8
    €5,21 –4 %
    L-thread 12/10 mm - G3/8"
    Stock (195 pcs)
    €4,09 excl. VAT
    €4,95 / pcs

    The corner fitting with 12/10 mm hose nut and G3/8" male pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPLG-3812
    241743 1 duty sroub jednoduchy g1 8
    €2,35 –4 %
    Hollow screw single G1/8"
    Stock (17 pcs)
    €1,85 excl. VAT
    €2,24 / pcs

    A single hollow screw with 1/8" male pipe thread into the socket with union nut ensures a reliable connection from plastic hoses up to 15 bar. Replacement nut for the...

    Code: 51410-18
    239220 1 prima spojka 6 4 mm 6 4 mm
    €2,79 –5 %
    Straight coupling 6/4 mm - 6/4 mm
    Stock (>1000 pcs)
    €2,19 excl. VAT
    €2,65 / pcs

    The straight coupling with 6/4 mm hose nut ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring resistance to mechanical...

    Code: RPUC-6
    Direct fitting internal 8/6 mm - G1/4"
    €2,98 –5 %
    Direct fitting internal 8/6 mm - G1/4"
    Stock (>1000 pcs)
    €2,34 excl. VAT
    €2,83 / pcs

    Straight fitting with 8/6 mm hose nut and G1/4" female pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCFG-148
    239274 t sroubeni se spodnim zavitem 6 4 mm g1 4
    €4,09 –5 %
    T-screw with bottom thread 6/4 mm - G1/4"
    Stock (209 pcs)
    €3,21 excl. VAT
    €3,88 / pcs

    The T-piece with 6/4 mm hose nut and branch pipe thread G1/4" ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPTG-146
    Direct fitting internal 6/4 mm - G1/8"
    €2,35 –4 %
    Direct fitting internal 6/4 mm - G1/8"
    Stock (>1000 pcs)
    €1,85 excl. VAT
    €2,24 / pcs

    The straight fitting with 6/4 mm hose nut and G1/8" female pipe thread ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPCFG-186
    L-bolt rotatable with external conical thread RPL-1210
    €6,57 –5 %
    L-bolt rotatable with external conical thread RPL-1210
    Stock (208 pcs)
    €5,16 excl. VAT
    €6,24 / pcs

    The corner fitting with 10/8 mm hose nut and G1/2" male tapered thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPL-1210
    L-bolt rotatable with external conical thread RPL-146
    €2,38 –5 %
    L-bolt rotatable with external conical thread RPL-146
    Stock (>1000 pcs)
    €1,87 excl. VAT
    €2,26 / pcs

    The corner fitting with 6/4 mm hose nut and G1/4" male tapered thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPL-146
    Direct fitting internal 10/8 mm - G1/2"
    €4,85 –4 %
    Direct fitting internal 10/8 mm - G1/2"
    Stock (124 pcs)
    €3,81 excl. VAT
    €4,61 / pcs

    Straight fitting with 10/8 mm hose nut and G1/2" female pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCFG-1210
    241737 duty sroub jednoduchy m5
    €1,81 –4 %
    Single hollow screw M5
    Stock (10 pcs)
    €1,42 excl. VAT
    €1,72 / pcs

    A single hollow screw with M5 metric male thread into the socket with union nut ensures a reliable connection from plastic tubing up to 15 bar. Replacement nut for the...

    Code: 51410-M5
    241461 l sroubeni vnitrni 10 8 mm g1 4
    €4,17 –5 %
    L-threading internal 10/8 mm - G1/4"
    Stock (130 pcs)
    €3,27 excl. VAT
    €3,96 / pcs

    The corner fitting with 10/8 mm hose nut and G1/4" female pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPLFG-1410
    Straight fitting 6/4 mm - R1/4"
    €2,30 –4 %
    Straight fitting 6/4 mm - R1/4"
    Stock (>1000 pcs)
    €1,81 excl. VAT
    €2,19 / pcs

    Straight fitting with union nut for 6/4 mm tubing and R1/4" external tapered thread ensures a reliable connection for plastic tubing up to 15 bar. Designed especially for...

    Code: RPC-146
    Direct fitting internal 6/4 mm - G3/8"
    €3,81 –4 %
    Direct fitting internal 6/4 mm - G3/8"
    Stock (197 pcs)
    €2,99 excl. VAT
    €3,62 / pcs

    The straight fitting with 6/4 mm hose nut and G3/8" female pipe thread ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPCFG-386
    Direct fitting internal 8/6 mm - G1/8"
    €2,52 –4 %
    Direct fitting internal 8/6 mm - G1/8"
    Stock (564 pcs)
    €1,98 excl. VAT
    €2,40 / pcs

    The straight fitting with 8/6 mm hose nut and G1/8" female pipe thread ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPCFG-188
    L-bolt rotatable with external conical thread RPL-3810
    €4,05 –4 %
    L-bolt rotatable with external conical thread RPL-3810
    Stock (566 pcs)
    €3,18 excl. VAT
    €3,85 / pcs

    The corner fitting with 10/8 mm hose nut and G3/8" male tapered thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPL-3810
    Direct fitting 10/8 mm - R1/2"
    €4,66 –5 %
    Direct fitting 10/8 mm - R1/2"
    Stock (183 pcs)
    €3,65 excl. VAT
    €4,42 / pcs

    Straight fitting with a union nut for 10/8 mm tubing and R1/2" external tapered thread ensures a reliable connection for plastic tubing up to 15 bar. Designed especially for...

    Code: RPC-1210
    Rotatable L-bolt with external conical thread RPL-185
    €2,67 –5 %
    Rotatable L-bolt with external conical thread RPL-185
    Stock (107 pcs)
    €2,09 excl. VAT
    €2,53 / pcs

    The corner fitting with 5/3 mm hose nut and G1/8" male tapered thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPL-185
    241746 1 duty sroub jednoduchy g1 4
    €2,99 –5 %
    Hollow screw single G1/4"
    Stock (37 pcs)
    €2,35 excl. VAT
    €2,84 / pcs

    A single hollow screw with 1/4" male pipe thread into the socket with union nut ensures a reliable connection from plastic hoses up to 15 bar. Replacement nut for the...

    Code: 51410-14
    Direct fitting 10/8 mm - R1/4"
    €2,86 –4 %
    Direct fitting 10/8 mm - R1/4"
    Stock (639 pcs)
    €2,25 excl. VAT
    €2,72 / pcs

    Straight fitting with union nut for 10/8 mm tubing and external tapered thread R1/4" ensures a reliable connection for plastic tubing up to 15 bar. Designed especially for...

    Code: RPC-1410
    Direct fitting internal 10/8 mm - G1/4"
    €3,44 –4 %
    Direct fitting internal 10/8 mm - G1/4"
    Stock (218 pcs)
    €2,70 excl. VAT
    €3,27 / pcs

    The straight fitting with 10/8 mm hose nut and G1/4" female pipe thread ensures a reliable connection from plastic hoses up to 15 bar. Particularly suitable for applications...

    Code: RPCFG-1410
    Direct fitting 12/10 mm - R3/8"
    €4,08 –5 %
    Direct fitting 12/10 mm - R3/8"
    Stock (210 pcs)
    €3,20 excl. VAT
    €3,87 / pcs

    The straight fitting with a union nut for a 12/10 mm hose and an R3/8" external tapered thread ensures a reliable connection for plastic hoses up to 15 bar. Designed especially...

    Code: RPC-3812
    Direct fitting internal 5/3 mm - G1/8"
    €2,81 –4 %
    Direct fitting internal 5/3 mm - G1/8"
    Stock (312 pcs)
    €2,21 excl. VAT
    €2,67 / pcs

    Straight fitting with 5/3 mm hose nut and G1/8" female pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCFG-185
    Straight fitting 8/6 mm - R1/4"
    €2,52 –4 %
    Straight fitting 8/6 mm - R1/4"
    Stock (>1000 pcs)
    €1,98 excl. VAT
    €2,40 / pcs

    Straight fitting with union nut for 8/6 mm tubing and R1/4" external tapered thread ensures a reliable connection of plastic tubing up to 15 bar. Designed primarily for...

    Code: RPC-148
    Direct fitting 10/8 mm - R1/8"
    €3 –5 %
    Direct fitting 10/8 mm - R1/8"
    Stock (117 pcs)
    €2,36 excl. VAT
    €2,85 / pcs

    Straight fitting with union nut for 10/8 mm tubing and external tapered thread R1/8" ensures a reliable connection for plastic tubing up to 15 bar. Designed primarily for...

    Code: RPC-1810
    Direct fitting internal 12/10 mm - G3/8"
    €4,29 –4 %
    Direct fitting internal 12/10 mm - G3/8"
    Stock (212 pcs)
    €3,37 excl. VAT
    €4,08 / pcs

    Straight fitting with 12/10 mm hose nut and G3/8" female pipe thread ensures reliable connection of plastic hoses up to 15 bar. Particularly suitable for applications requiring...

    Code: RPCFG-3812

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