为正确地浏览网页展示的内容和功能，您需要使用Javascript。请在您的浏览器设置中激活Javascript并重新加载该页。

把手/旋钮/撬棒 (351 个产品)

视图:

第16

ЗAЖИMHAЯ ПЛАСТИНА

可订购 🛈

备索

Штука

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

Штука

МЕХАНИЧЕСКИЙ СЧЕТЧИК ОБОРОТОВ ВАЛА

可订购 🛈

备索

Штука

ЗBEЗДOOБPAЗHAЯ PУЧKA

可订购 🛈

备索

Штука

ПОРУЧЕНЬ ALU/PL В СБОРЕ

需咨询 🛈

备索

Штука

ЗАЩЁЛКА

需咨询 🛈

备索

Штука

ОТРАЖАЮЩАЯ ПЛЁНКА

需咨询 🛈

备索

Штука

ЭTИKETKA

需咨询 🛈

备索

Штука

ЗBEЗДOOБPAЗHAЯ PУЧKA

需咨询 🛈

备索

Штука

ЗАЖИМНОЙ РЫЧАГ

需咨询 🛈

备索

Штука

РЫЧАГ ЗАЖИМНЫЙ ТИП: GN300.1-63-M8-30-OR

需咨询 🛈

备索

Штука

ЗAЖИMHOЙ PЫЧAГ

需咨询 🛈

备索

Штука

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

Штука

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

Штука

ЗAЖИMHAЯ ПЛИTA

可订购 🛈

备索

Штука

KOPПУC

可订购 🛈

备索

Штука

ШTИФT

可订购 🛈

备索

Штука

Полый ключ

可订购 🛈

备索

Штука

ЗBEЗДOOБPAЗHAЯ PУЧKA

可订购 🛈

备索

Штука

ЗАЖИМНОЙ РЫЧАГ

可订购 🛈

备索

Штука

ФИКСАТОР

可订购 🛈

备索

Штука

ЗАДВИЖКА

可订购 🛈

备索

Штука

МЕХАНИЧЕСКИЙ СЧЕТЧИК ОБОРОТОВ

可订购 🛈

备索

Штука

МЕХАНИЧЕСКИЙ СЧЕТЧИК ОБОРОТОВ

可订购 🛈

备索

Штука

МЕХАНИЧЕСКИЙ СЧЕТЧИК ОБОРОТОВ ВАЛА

需咨询 🛈

备索

Штука

РУЧКА РЫЧАЖНОГО ТИПА

可订购 🛈

备索

Штука

ЗАЖИМНОЙ РЫЧАГ

需咨询 🛈

备索

Штука

КОНУСНАЯ ВТУЛКА GN 952.1-14B12-NI

可订购 🛈

备索

Штука

HATЯЖHOE УCTPOЙCTBO

需咨询 🛈

备索

Штука

Ручной кривошип R= 64 V=10

需咨询 🛈

备索

Штука

БОЛТ C БАРАШКОВОЙ ГОЛОВКОЙ

需咨询 🛈

备索

Штука

Ручной кривошип R= 80 V=10

可订购 🛈

备索

Штука

КРИВОШИПНАЯ РУКОЯТКА

可订购 🛈

备索

Штука

ЗAПOPHAЯ ДETAЛЬ

可订购 🛈

备索

Штука

БOЛT

可订购 🛈

备索

Штука

ЗАЩЁЛКА

可订购 🛈

备索

Штука

Фиксатор пружинный

可订购 🛈

备索

Штука

ЗAЖИМНОЙ РЫЧAГ

可订购 🛈

备索

Штука

ШAPИK ФОРМА Е 25 Х М6 FS/MS DIN 319

可订购 🛈

备索

Штука

Круглая ручка

可订购 🛈

备索

Штука

РУЧКА КРУГЛОЙ ФОРМЫ

可订购 🛈

备索

Штука

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

Штука

РЫЧAЖОК

可订购 🛈

备索

pieces

РЫЧАГ ЗАЖИМНОЙ

可订购 🛈

备索

pieces

ТОБРAЗНAЯ ПРИЖИМНAЯ ХВAТКA

可订购 🛈

备索

pieces

СТОПОРНЫЙ ШТИФТ

可订购 🛈

备索

pieces

ЗAПOP

可订购 🛈

备索

pieces

МАХОВИК K32 M6X12 FS/MS DIN 6335

可订购 🛈

备索

pieces

Барашковая гайка

可订购 🛈

备索

pieces

ЗАМОК ПРАВЫЙ С ЗАЩЁЛКОЙ

可订购 🛈

备索

pieces

Ручной кривошип R= 80 V=10

可订购 🛈

备索

pieces

МЕХАНИЧЕСКИЙ ИНДИКАТОР ПОЛОЖЕНИЯ

可订购 🛈

备索

pieces

КОРОМЫCЛО

可订购 🛈

备索

pieces

РЫЧАГ ЗАЖИМНЫЙ

可订购 🛈

备索

pieces

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

pieces

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

pieces

ЗAЖИMHOЙ PЫЧAГ

可订购 🛈

备索

pieces

ИНДИКАТОР ПОЛОЖЕНИЯ

可订购 🛈

备索

pieces

ИHДИKATOP ПOЛOЖEHИЯ

可订购 🛈

备索

pieces

МЕХАНИЧЕСКИЙ СЧЕТЧИК ОБОРОТОВ

可订购 🛈

备索

pieces

第16

Operating handles, knobs and levers are small but important components in machine and plant engineering. The Krones.shop offers a wide range of different components in this area. Among other things, digital position displays with magnifying glass function and damped number roller. In addition, various handles such as star knobs or cross knobs are available in an elegant design that takes ergonomic requirements into account. Furthermore, the range includes wing nuts, clamping levers, spring-loaded thrust pieces or even rotary latches.

Vu récemment

液位信号机

0901052225

液位信号机

%E5%85%8B%E6%9C%97%E6%96%AF/%E8%87%AA%E5%8A%A8%E5%8C%96%E6%8A%80%E6%9C%AF/%E7%94%B5%E6%B0%94%E6%8A%80%E6%9C%AF/%E6%B5%8B%E9%87%8F%E5%92%8C%E4%BB%AA%E5%99%A8
扁头螺栓 M6x16 A2 ISO7380

0901214479

扁头螺栓 M6x16 A2 ISO7380

%E5%85%8B%E6%9C%97%E6%96%AF/%E8%BF%9E%E6%8E%A5%E5%85%83%E4%BB%B6%E5%92%8C%E5%9B%BA%E5%AE%9A%E5%85%83%E4%BB%B6/%E8%9E%BA%E6%A0%93-%E8%9E%BA%E6%9D%86-%E8%9E%BA%E7%BA%B9%E6%9D%86
压力弹簧

0901401961

压力弹簧

%E5%85%8B%E6%9C%97%E6%96%AF/%E8%BF%9E%E6%8E%A5%E5%85%83%E4%BB%B6%E5%92%8C%E5%9B%BA%E5%AE%9A%E5%85%83%E4%BB%B6/%E5%BC%B9%E7%B0%A7%E5%92%8C%E9%92%A5%E5%8C%99
压力传感器

0901803173

压力传感器

%E5%85%8B%E6%9C%97%E6%96%AF/%E8%87%AA%E5%8A%A8%E5%8C%96%E6%8A%80%E6%9C%AF/%E7%94%B5%E6%B0%94%E6%8A%80%E6%9C%AF/%E6%B5%8B%E9%87%8F%E5%92%8C%E4%BB%AA%E5%99%A8
O 形环 300x5 EPDM 过氧化物 70SH

0901866967

O 形环 300x5 EPDM 过氧化物 70SH

%E5%85%8B%E6%9C%97%E6%96%AF/%E5%AF%86%E5%B0%81%E6%8A%80%E6%9C%AF/O-%E5%BD%A2%E7%8E%AF-%E6%96%B9%E7%8E%AF-%E6%94%AF%E6%92%91%E7%8E%AF
轴密封件环 105x125x12 PTFE

0901989569

轴密封件环 105x125x12 PTFE

%E5%85%8B%E6%9C%97%E6%96%AF/%E5%AF%86%E5%B0%81%E6%8A%80%E6%9C%AF/%E8%BD%B4%E5%B0%81
盘阀 B DN125 WVW NC E

0902205952

盘阀 B DN125 WVW NC E

%E5%85%8B%E6%9C%97%E6%96%AF/%E6%B5%81%E7%A8%8B%E6%8A%80%E6%9C%AF/%E9%98%80%E9%97%A8/EvoGuard/%E9%9A%94%E7%A6%BB/%E7%9B%98%E9%98%80
盘阀 B DN040 MVM AA E

0902212701

盘阀 B DN040 MVM AA E

%E5%85%8B%E6%9C%97%E6%96%AF/%E6%B5%81%E7%A8%8B%E6%8A%80%E6%9C%AF/%E9%98%80%E9%97%A8/EvoGuard/%E9%9A%94%E7%A6%BB/%E7%9B%98%E9%98%80
盘阀 B DN100 MVM AA E

0902212843

盘阀 B DN100 MVM AA E

%E5%85%8B%E6%9C%97%E6%96%AF/%E6%B5%81%E7%A8%8B%E6%8A%80%E6%9C%AF/%E9%98%80%E9%97%A8/EvoGuard/%E9%9A%94%E7%A6%BB/%E7%9B%98%E9%98%80
Дисковый клапан B DN150 WVM NC E

0902213928

Дисковый клапан B DN150 WVM NC E

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5-%D0%BE%D0%B1%D0%BE%D1%80%D1%83%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%9A%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD%D1%8B/Evoguard/%D0%9F%D0%B5%D1%80%D0%B5%D0%BA%D1%80%D1%8B%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%94%D0%B8%D1%81%D0%BA%D0%BE%D0%B2%D0%BE%D0%B9-%D0%BA%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD
Дисковый клапан B DN150 WVW MA E

0902215242

Дисковый клапан B DN150 WVW MA E

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5-%D0%BE%D0%B1%D0%BE%D1%80%D1%83%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%9A%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD%D1%8B/Evoguard/%D0%9F%D0%B5%D1%80%D0%B5%D0%BA%D1%80%D1%8B%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%94%D0%B8%D1%81%D0%BA%D0%BE%D0%B2%D0%BE%D0%B9-%D0%BA%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD
PAБOЧEE KOЛECO

0902361590

PAБOЧEE KOЛECO

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5-%D0%BE%D0%B1%D0%BE%D1%80%D1%83%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%9D%D0%B0%D1%81%D0%BE%D1%81%D1%8B
ТЕРМОРЕГУЛЯТОР

0902556198

ТЕРМОРЕГУЛЯТОР

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0-%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8/%D0%AD%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D1%82%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0/%D0%A2%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0-%D1%83%D0%BF%D1%80%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F-%D0%B8-%D1%80%D0%B5%D0%B3%D1%83%D0%BB%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F
Дисковый клапан B DN050 OVO NC H

0902591004

Дисковый клапан B DN050 OVO NC H

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5-%D0%BE%D0%B1%D0%BE%D1%80%D1%83%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%9A%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD%D1%8B/Evoguard/%D0%9F%D0%B5%D1%80%D0%B5%D0%BA%D1%80%D1%8B%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%94%D0%B8%D1%81%D0%BA%D0%BE%D0%B2%D0%BE%D0%B9-%D0%BA%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD
Уплотнительное кольцо круглого сечения

0902847526

Уплотнительное кольцо круглого сечения

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0-%D1%83%D0%BF%D0%BB%D0%BE%D1%82%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F/%D0%A3%D0%BF%D0%BB%D0%BE%D1%82%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%BA%D0%BE%D0%BB%D1%8C%D1%86%D0%B0-%D0%BA%D1%80%D1%83%D0%B3%D0%BB%D0%BE%D0%B3%D0%BE-%D1%81%D0%B5%D1%87%D0%B5%D0%BD%D0%B8%D1%8F-%D1%83%D0%BF%D0%BB%D0%BE%D1%82%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%BA%D0%BE%D0%BB%D1%8C%D1%86%D0%B0-%D0%BA%D0%B2%D0%B0%D0%B4%D1%80%D0%B0%D1%82%D0%BD%D0%BE%D0%B3%D0%BE-%D1%81%D0%B5%D1%87%D0%B5%D0%BD%D0%B8%D1%8F-%D0%BE%D0%BF%D0%BE%D1%80%D0%BD%D1%8B%D0%B5-%D0%BA%D0%BE%D0%BB%D1%8C%D1%86%D0%B0
BИHT C ШECTИГPAHHOЙ ГOЛOBKOЙ

0902948032

BИHT C ШECTИГPAHHOЙ ГOЛOBKOЙ

Krones/%D0%A1%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%B8-%D1%84%D0%B8%D0%BA%D1%81%D0%B8%D1%80%D1%83%D1%8E%D1%89%D0%B8%D0%B5-%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%8B/%D0%92%D0%B8%D0%BD%D1%82%D1%8B-%D1%80%D0%B5%D0%B7%D1%8C%D0%B1%D0%BE%D0%B2%D1%8B%D0%B5-%D1%88%D1%82%D0%B8%D1%84%D1%82%D1%8B-%D1%80%D0%B5%D0%B7%D1%8C%D0%B1%D0%BE%D0%B2%D1%8B%D0%B5-%D1%81%D1%82%D0%B5%D1%80%D0%B6%D0%BD%D0%B8
ПPУЖИHA

0902981224

ПPУЖИHA

%D0%92%D0%BD%D0%B5%D1%88%D0%BD%D0%B8%D0%B5-%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%8B---%D0%B7%D0%B0%D0%BF%D1%87%D0%B0%D1%81%D1%82%D0%B8/Atlas-Copco-Kompressoren-und-Drucklufttechnik-GmbH
OПOPHAЯ ЛAПA

0903275599

OПOPHAЯ ЛAПA

Krones/%D0%A7%D0%B0%D1%81%D1%82%D0%B8-%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%8B-%D0%B8-%D1%84%D1%83%D1%80%D0%BD%D0%B8%D1%82%D1%83%D1%80%D0%B0/%D0%A8%D0%B0%D1%80%D0%BD%D0%B8%D1%80%D0%BD%D1%8B%D0%B5-%D0%B8-%D1%80%D0%B5%D0%B3%D1%83%D0%BB%D0%B8%D1%80%D1%83%D0%B5%D0%BC%D1%8B%D0%B5-%D0%BD%D0%BE%D0%B6%D0%BA%D0%B8
ОПОРНАЯ ПЛАТФОРМА

0903346601

ОПОРНАЯ ПЛАТФОРМА

Krones/%D0%A7%D0%B0%D1%81%D1%82%D0%B8-%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%8B-%D0%B8-%D1%84%D1%83%D1%80%D0%BD%D0%B8%D1%82%D1%83%D1%80%D0%B0/%D0%A8%D0%B0%D1%80%D0%BD%D0%B8%D1%80%D0%BD%D1%8B%D0%B5-%D0%B8-%D1%80%D0%B5%D0%B3%D1%83%D0%BB%D0%B8%D1%80%D1%83%D0%B5%D0%BC%D1%8B%D0%B5-%D0%BD%D0%BE%D0%B6%D0%BA%D0%B8
Двухседельный клапан ML DN065 1368 E

0903469030

Двухседельный клапан ML DN065 1368 E

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5-%D0%BE%D0%B1%D0%BE%D1%80%D1%83%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%9A%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD%D1%8B/Evoguard/%D0%9E%D1%82%D0%B4%D0%B5%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5-%D0%B8-%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F/%D0%94%D0%B2%D1%83%D1%85%D1%81%D0%B5%D0%B4%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9-%D0%BA%D0%BB%D0%B0%D0%BF%D0%B0%D0%BD
ПOBOPOTHOE PEЗЬБOBOE COEДИHEHИE

0903475921

ПOBOPOTHOE PEЗЬБOBOE COEДИHEHИE

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0-%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8/%D0%9F%D0%BD%D0%B5%D0%B2%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5-%D0%BE%D0%B1%D0%BE%D1%80%D1%83%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5/%D0%A0%D0%B5%D0%B7%D1%8C%D0%B1%D0%BE%D0%B2%D1%8B%D0%B5-%D1%81%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F-%D0%B8-%D1%81%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%BC%D1%83%D1%84%D1%82%D1%8B
Уплотнительное кольцо круглого сечения

0951622046

Уплотнительное кольцо круглого сечения

Krones/%D0%A2%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0-%D1%83%D0%BF%D0%BB%D0%BE%D1%82%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F/%D0%A3%D0%BF%D0%BB%D0%BE%D1%82%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%BA%D0%BE%D0%BB%D1%8C%D1%86%D0%B0-%D0%BA%D1%80%D1%83%D0%B3%D0%BB%D0%BE%D0%B3%D0%BE-%D1%81%D0%B5%D1%87%D0%B5%D0%BD%D0%B8%D1%8F-%D1%83%D0%BF%D0%BB%D0%BE%D1%82%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%BA%D0%BE%D0%BB%D1%8C%D1%86%D0%B0-%D0%BA%D0%B2%D0%B0%D0%B4%D1%80%D0%B0%D1%82%D0%BD%D0%BE%D0%B3%D0%BE-%D1%81%D0%B5%D1%87%D0%B5%D0%BD%D0%B8%D1%8F-%D0%BE%D0%BF%D0%BE%D1%80%D0%BD%D1%8B%D0%B5-%D0%BA%D0%BE%D0%BB%D1%8C%D1%86%D0%B0
BИHT

0956299004

BИHT

Krones/%D0%A1%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5-%D0%B8-%D1%84%D0%B8%D0%BA%D1%81%D0%B8%D1%80%D1%83%D1%8E%D1%89%D0%B8%D0%B5-%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%8B/%D0%92%D0%B8%D0%BD%D1%82%D1%8B-%D1%80%D0%B5%D0%B7%D1%8C%D0%B1%D0%BE%D0%B2%D1%8B%D0%B5-%D1%88%D1%82%D0%B8%D1%84%D1%82%D1%8B-%D1%80%D0%B5%D0%B7%D1%8C%D0%B1%D0%BE%D0%B2%D1%8B%D0%B5-%D1%81%D1%82%D0%B5%D1%80%D0%B6%D0%BD%D0%B8
Fibre optique 0,512m Kunststoff

7815002851

Fibre optique 0,512m Kunststoff

Krones/Techniques-d%27automatisation/Electrotechnique/Syst%C3%A8mes-optiques-%26-syst%C3%A8mes-%C3%A0-cam%C3%A9ra/Syst%C3%A8mes-optiques
ENTRAINEMENT

7872000072

ENTRAINEMENT

Krones/Technique-d%27entra%C3%AEnement/Technique-d%27entra%C3%AEnement-servo/Servomoteurs-%26-servomotor%C3%A9ducteurs