Používáme cookies, abychom Vám umožnili pohodlné prohlížení webu a díky analýze provozu webu neustále zlepšovali jeho funkce, výkon a použitelnost. Více informací

Skip to content

Login to your account

You cannot fill out this field

New registrationForgotten password

or
Log in via Seznam
Proceed to cart
Customer support:311 532 091info@kompresory-vzduchotechnika.cz
  • We Can Help
  • Services
  • News
  • How to Buy
  • Catalogues
  • Contacts
    Currency
    EUR
    • CZK
    • EUR
    • GBP
    • HUF
    • PLN
    • USD
    Language
    English
    • English
    • Čeština
    • Deutsch
    • Język polski
    • Slovenčina
    Kompresory-Vzduchotechnika.cz
    Shopping cart Empty cart
    • Special offer
    • Compressors
    • Air conditioning
    • Hoses
    • Valves and automation
    • Fittings and faucets
    • Measuring technology
    • Fasteners
    • Tools and guns
    • Pipe distributions
    • Automatic lubricators
    • Aluminum profiles
    • EUR /
        • CZK
        • EUR
        • GBP
        • HUF
        • PLN
        • USD
        • English
        • Čeština
        • Deutsch
        • Język polski
        • Slovenčina
    • Login
    More
    Home / Fasteners / Brass fittings; holandry, reducer, adapter / Reduction; internal/external thread

    Internal/external thread reduction

    Mosazné redukční šroubení
    • in pure brass MS 58
    • supplied with pipe threads
    • designed for compressed air, but also for fluid power, automation, measuring and control technology

    Reducing fitting internal / external thread

    Ordering
    number
    Internal thread
    "
    External thread
    "
    SW
    mm
    Height SW
    mm
    R0518M M5 1/8" 14 4
    R0514M M5 1/4" 17 4
    R1814M 1/8" 1/4" 17 4,5
    R1838M 1/8" 3/8" 19 4
    R1438M 1/4" 3/8" 19 4,5
    R1412M 1/4" 1/2" 24 5
    R3812M 3/8" 1/2" 24 5
    R1434M 1/4" 3/4" 27 5
    R3834M 3/8" 3/4" 32 6
    R1234M 1/2" 3/4" 32 6
    R1210M 1/2" 1" 36 7
    R3410M 3/4" 1" 36 6
    R3454M 3/4" 1 1/4" 44 8
    R1054M 1" 1 1/4" 44 7
    R3415M 3/4" 1 1/2" 50 10
    R1015M 1" 1 1/2" 50 8
    R5415M 1 1/4" 1 1/2" 50 8
    R1520M 1 1/2" 2" 60 9

    Bestsellers

    Reducer Internal/External Thread G1/4" - G1/2"
    €3,60 –5 %
    Reducer Internal/External Thread G1/4" - G1/2"
    Stock (>1000 pcs)
    Code: R1412M
    Was: €3,60  (–5 %)
    €3,42
    (€2,83 excl. VAT)
    Reducing Nipple Internal/External Thread G1/8" - G1/4"
    €1,48 –4 %
    Reducing Nipple Internal/External Thread G1/8" - G1/4"
    Stock (>1000 pcs)
    Code: R1814M
    Was: €1,48  (–4 %)
    €1,41
    (€1,17 excl. VAT)
    Internal/External Thread Reduction G3/4" - G1"
    €6,51 –5 %
    Internal/External Thread Reduction G3/4" - G1"
    Stock (>1000 pcs)
    Code: R3410M
    Was: €6,51  (–5 %)
    €6,18
    (€5,11 excl. VAT)
    Reducing Nipple Internal/External Thread G1/4" - G3/4"
    €4,86 –4 %
    Reducing Nipple Internal/External Thread G1/4" - G3/4"
    Stock (>1000 pcs)
    Code: R1434M
    Was: €4,86  (–4 %)
    €4,62
    (€3,82 excl. VAT)
    Reduction internal/external thread M5 - G1/4"
    €1,86 –5 %
    Reduction internal/external thread M5 - G1/4"
    Stock (317 pcs)
    Code: R0514M
    Was: €1,86  (–5 %)
    €1,76
    (€1,45 excl. VAT)
    Reducer Internal/External Thread G1/2" - G1"
    €9,04 –5 %
    Reducer Internal/External Thread G1/2" - G1"
    Stock (>1000 pcs)
    Code: R1210M
    Was: €9,04  (–5 %)
    €8,58
    (€7,09 excl. VAT)
    Reducing Internal/External Thread G1/2" - G3/4"
    €6,44 –4 %
    Reducing Internal/External Thread G1/2" - G3/4"
    Stock (>1000 pcs)
    Code: R1234M
    Was: €6,44  (–4 %)
    €6,12
    (€5,06 excl. VAT)
    Reducer Internal/External Thread G3/8" - G1/2"
    €3,07 –4 %
    Reducer Internal/External Thread G3/8" - G1/2"
    Stock (>1000 pcs)
    Code: R3812M
    Was: €3,07  (–4 %)
    €2,92
    (€2,41 excl. VAT)
    Internal/External Thread Reduction G1/4" - G3/8"
    €2,26 –5 %
    Internal/External Thread Reduction G1/4" - G3/8"
    Stock (>1000 pcs)
    Code: R1438M
    Was: €2,26  (–5 %)
    €2,14
    (€1,77 excl. VAT)
    Reduction internal/external thread M5 - G1/8"
    €1,90 –5 %
    Reduction internal/external thread M5 - G1/8"
    Stock (>1000 pcs)
    Code: R0518M
    Was: €1,90  (–5 %)
    €1,80
    (€1,49 excl. VAT)

    Sidebar

    Open filter

    Price

    € 1€ 25
    0.04145937125
    Show filter

    Brands

    In stock

    Material

    Pressure

    Thread

    18 items to display
    Mr. Ventilek

    Ask anything

    I will advise you on the selection
    and tailor-made solution

    +420 311 532 091 (Mon-Fri: 8-16:30) info@kompresory
    -vzduchotechnika.cz
    Contact us

    Product sorting

    18 items total

    List of products

    Reducer Internal/External Thread G1/4" - G1/2"
    €3,60 –5 %
    Reducer Internal/External Thread G1/4" - G1/2"
    Stock (>1000 pcs)
    €2,83 excl. VAT
    €3,42 / pcs

    Internal/external thread reduction G1/4" - G1/2". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1412M
    Reducing Nipple Internal/External Thread G1/8" - G1/4"
    €1,48 –4 %
    Reducing Nipple Internal/External Thread G1/8" - G1/4"
    Stock (>1000 pcs)
    €1,17 excl. VAT
    €1,41 / pcs

    Internal/external thread reduction G1/8" - G1/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1814M
    Internal/External Thread Reduction G1/4" - G3/8"
    €2,26 –5 %
    Internal/External Thread Reduction G1/4" - G3/8"
    Stock (>1000 pcs)
    €1,77 excl. VAT
    €2,14 / pcs

    Reduction internal/external thread G1/4" - G3/8". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1438M
    Reducing Nipple Internal/External Thread G1/4" - G3/4"
    €4,86 –4 %
    Reducing Nipple Internal/External Thread G1/4" - G3/4"
    Stock (>1000 pcs)
    €3,82 excl. VAT
    €4,62 / pcs

    Internal/external thread reduction G1/4" - G3/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1434M
    Reducer Internal/External Thread G3/8" - G1/2"
    €3,07 –4 %
    Reducer Internal/External Thread G3/8" - G1/2"
    Stock (>1000 pcs)
    €2,41 excl. VAT
    €2,92 / pcs

    Internal/external thread reduction G3/8" - G1/2". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R3812M
    Reducing Internal/External Thread G1" - G1 1/2"
    €22,08 –4 %
    Reducing Internal/External Thread G1" - G1 1/2"
    Stock (>1000 pcs)
    €17,34 excl. VAT
    €20,98 / pcs

    Internal/external thread reduction G1" - G1 1/2". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1015M
    Reducing Nipple Internal/External Thread G1/8" - G3/8"
    €2,05 –4 %
    Reducing Nipple Internal/External Thread G1/8" - G3/8"
    The average product rating is 5,0 out of 5 stars.
    Stock (>1000 pcs)
    €1,61 excl. VAT
    €1,95 / pcs

    Internal/external thread reduction G1/8" - G3/8". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1838M
    Reducer Internal/External Thread G1/2" - G1"
    €9,04 –5 %
    Reducer Internal/External Thread G1/2" - G1"
    Stock (>1000 pcs)
    €7,09 excl. VAT
    €8,58 / pcs

    Reduction internal/external thread G1/2" - G1". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1210M
    Reduction internal/external thread M5 - G1/8"
    €1,90 –5 %
    Reduction internal/external thread M5 - G1/8"
    Stock (>1000 pcs)
    €1,49 excl. VAT
    €1,80 / pcs

    Inner/outer thread M5 - G1/8". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed air technology,...

    Code: R0518M
    Internal/External Thread Reduction G3/4" - G1 1/2"
    €26,14 –4 %
    Internal/External Thread Reduction G3/4" - G1 1/2"
    Stock (>1000 pcs)
    €20,53 excl. VAT
    €24,84 / pcs

    Internal/external thread reduction G3/4" - G1 1/2". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for...

    Code: R3415M
    Reduction internal/external thread G3/8" - G3/4"
    €6,28 –4 %
    Reduction internal/external thread G3/8" - G3/4"
    Stock (>1000 pcs)
    €4,93 excl. VAT
    €5,97 / pcs

    Inner/outer thread G3/8"- G3/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed air technology,...

    Code: R3834M
    Internal/External Thread Reduction G3/4" - G1 1/4"
    €16,59 –5 %
    Internal/External Thread Reduction G3/4" - G1 1/4"
    Stock (>1000 pcs)
    €13,02 excl. VAT
    €15,76 / pcs

    Internal/external thread reduction G3/4" - G1 1/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for...

    Code: R3454M
    Reducing Internal/External Thread G1/2" - G3/4"
    €6,44 –4 %
    Reducing Internal/External Thread G1/2" - G3/4"
    Stock (>1000 pcs)
    €5,06 excl. VAT
    €6,12 / pcs

    Internal/external thread reduction G1/2" - G3/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1234M
    Reduction internal/external thread M5 - G1/4"
    €1,86 –5 %
    Reduction internal/external thread M5 - G1/4"
    Stock (317 pcs)
    €1,45 excl. VAT
    €1,76 / pcs

    Inner/outer thread M5 - G1/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed air technology,...

    Code: R0514M
    Internal/External Thread Reduction G3/4" - G1"
    €6,51 –5 %
    Internal/External Thread Reduction G3/4" - G1"
    Stock (>1000 pcs)
    €5,11 excl. VAT
    €6,18 / pcs

    Reduction internal/external thread G3/4" - G1". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R3410M
    Reduction internal/external thread G1" - G1 1/4"
    €9,44 –4 %
    Reduction internal/external thread G1" - G1 1/4"
    Stock (>1000 pcs)
    €7,41 excl. VAT
    €8,97 / pcs

    Internal/external thread reduction G1" - G1 1/4". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1054M
    Internal/External Thread Reduction G1 1/4" - G1 1/2"
    €12,88 –5 %
    Internal/External Thread Reduction G1 1/4" - G1 1/2"
    Stock (104 pcs)
    €10,11 excl. VAT
    €12,23 / pcs

    Reduction internal/external thread G1 1/4" - G1 1/2". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for...

    Code: R5415M
    Internal/External Thread Reduction G1 1/2" - G2"
    €19,11 –5 %
    Internal/External Thread Reduction G1 1/2" - G2"
    Stock (2 pcs)
    €15 excl. VAT
    €18,15 / pcs

    Internal/external thread reduction G1 1/2" - G2". Made of pure brass MS 58, designed for the production of fittings. Supplied with external pipe threads. Designed for compressed...

    Code: R1520M

    Listing controls

    18 items total

    Footer

    Kompresory-Vzduchotechnika.cz

    Useful Information

    • All about shopping, FAQ
    • Terms and Conditions
    • Returns and Complaints
    • About Us
    • Services
    • News & Articles

    contact us

      +420 311 532 091 (Mon-Fri: 8am-4:30pm) info@kompresory
      -vzduchotechnika.cz

    Brick and mortar store

      Plzeňská 169 267 53 Žebrák

      More about the store
      Opening hours: 8:00-16:30
    Provozovna

    Subscribe to newsletter

    Enter your email and we will send you informations about new products in our e-shop.

    Do not fill out this field:

    By entering your email you agree to the privacy policy

    Why shop with us?

    Free shipping
    Free shipping
    For purchases over 5,000 CZK
    We guarantee
    We guarantee
    Extended warranty and service
    Discount voucher
    Discount voucher
    For every purchase
    Return of goods within 30 days
    Return of goods within 30 days
    Completely at our expense

    News Overload

    We select articles from our advice room

    Shoptet PremiumCreated by Shoptet Premium Copyright 2026 Kompresory-Vzduchotechnika.cz. All rights reserved. Edit cookie settings