SMC Corporation of America10100 SMC Blvd., Noblesville, IN 46060

www.smcusa.comSMC Pneumatics (Canada) Ltd.

www.smcpneumatics.ca

(800) SMC.SMC1 (762-7621)e-mail: sales@smcusa.com

For International inquires: www.smcworld.com © 2014 SMC Corporation of America, All Rights Reserved.

All reasonable efforts to ensure the accuracy of the information detailed in this catalog were made at the time of publishing. However, SMC can in no way

warrant the information herein contained as specifications are subject to change without notice.

NPO278-ASU-RRD-2.5M

Metric Size One-Touch FittingsEasyInsertion

QuickDisconnect

NewEngineered Anchor

Grip Seal

Applicable Tubing: Metric; Thread: M, R, Rc

For Complete KQ2 Listing and Information:

www.smcusa.com/kq2For 3D CAD Information: www.smcusa.com/cad

ø3.2

ø4ø2ø4ø6ø6ø8

ø10

Model

Plug-in Reducer

Use to changesize of One-touchfittings.

KQ2R02-04AKQ2R23-04AKQ2R23-06AKQ2R04-06AKQ2R04-08AKQ2R04-10AKQ2R06-04AKQ2R06-08AKQ2R06-10AKQ2R06-12AKQ2R08-10AKQ2R08-12AKQ2R10-12AKQ2R10-16AKQ2R12-16A

KQ

2R

ø4

ø6

ø8

ø10

Applicable tube O.D.

[mm]

ApplicableFitting Size

ø4ø8

ø10ø12ø10

ø12ø16ø16ø12

ø12

Model

Different Diameter Tee

Use to connecttubing forbranching at 90ºangle with sizereduced from thesame piping.K

Q2

T

ø4ø6ø8

ø6ø8

ø10

KQ2T06-04AKQ2T08-06AKQ2T10-08A

Applicable tubeO.D. [mm]

BranchRun

Applicable tubeO.D. [mm] Model

Different DiameterUnion “Y”

Use to connecttubing forbranching withsize reduced.

KQ

2U

A BKQ2U02-23AKQ2U02-04AKQ2U23-04AKQ2U04-06AKQ2U06-08AKQ2U08-10AKQ2U10-12AKQ2U12-16A

ø2x2

ø2ø3.2ø4ø6ø8

ø10ø12

ø3.2ø4ø4ø6ø8

ø10ø12ø16

ø2ø3.2ø4ø6

Applicable tubeO.D. [mm]

ø8ø10ø12

Model

KQ2U02-00AKQ2U23-00AKQ2U04-00AKQ2U06-00AKQ2U08-00AKQ2U10-00AKQ2U12-00A

ø4ø6ø8

ø10

Applicable tubeO.D. [mm] Model

Cross

KQ2TW04-00AKQ2TW06-00AKQ2TW08-00AKQ2TW10-00A

KQ

2T

ø2ø3.2ø4ø6

Applicable tubeO.D. [mm] Model

ø8ø10ø12

Union Tee

Use to branchtubing at both90º angles.

KQ2T02-00AKQ2T23-00AKQ2T04-00AKQ2T06-00AKQ2T08-00AKQ2T10-00AKQ2T12-00A

Male Elbow

Use to pipe afemale thread atright angles. Mostgeneral model.

M5 x 0.8M3 x0.5

ø3.2

ø2

ø6

M5 x0.8

1/4M3 v 0.5

ø4 M5 x 0.8

1/4M5 x 0.8

1/4

ø8

3/81/81/43/81/8

ø10 1/4

1/21/43/8ø12

ø16

1/21/4

M3 x 0.5

1/8

1/8

1/8

3/8

Applicable tube O.D.

[mm]

ConnectingThread

Model

3/81/2

KQ2L02-M5KQ2L02-M3G

KQ2L23-M3GKQ2L23-M5

KQ2L23-02 SSKQ2L23-01

KQ2L04-M3GKQ2L04-M5

SKQ2L04-02 SKQ2L04-01

KQ2L06-M5S

KQ2L06-02 SKQ2L06-01

KQ2L06-03 SKQ2L08-01 SKQ2L08-02 SKQ2L08-03 SKQ2L10-01 SKQ2L10-02 S

KQ2L10-04 SKQ2L10-03 S

KQ2L12-02 SKQ2L12-03 SKQ2L12-04 SKQ2L16-02 SKQ2L16-03 SKQ2L16-04 S

Hexagon SocketHead Male Connector

ø4

ø8

ø12

Applicable tube O.D.

[mm]

ConnectingThread Model

KQ2S04-01

KQ2S08-01KQ2S08-02KQ2S08-03

KQ2S12-02KQ2S12-03KQ2S12-04

SKQ2S04-M5

SSS

SSS

ø6KQ2S06-M5KQ2S06-01 S

S

ø3.2 KQ2S23-M5

KQ2S06-02

ø10

1/8

1/81/43/8

1/43/81/2

M5 x 0.8

M5 x 0.81/8

M5 x 0.8

1/4

1/81/43/81/2

KQ2S10-01KQ2S10-02KQ2S10-03KQ2S10-04

SSSS

M5 x 0.8M3 x 0.5

ø2

ø4

M5 x 0.8

1/4M3 x 0.5

ø3.2

M5 x 0.81/81/4

M5 x 0.8

1/8

M3 x 0.5

ø6 1/43/81/81/4

1/4

3/8ø8

1/8

3/81/21/43/81/2

ø12

ø16

ø10

1/4

Applicabletube O.D.

[mm]

ConnectingThread Model

1/8

3/81/2

KQ2T02-M5KQ2T23-M3GKQ2T23-M5

SKQ2T23-02 SKQ2T04-M3GKQ2T04-M5KQ2T04-01KQ2T04-02

KQ2T06-01KQ2T06-02KQ2T06-03KQ2T08-01KQ2T08-02

KQ2T10-02

KQ2T08-03KQ2T10-01

KQ2T10-03KQ2T10-04KQ2T12-02KQ2T12-03KQ2T12-04KQ2T16-02KQ2T16-03KQ2T16-04

KQ2T02-M3G

KQ2T23-01

KQ2T06-M5

SS

SSSS

S

SS

SSSSSSSS

S

Use to branch afemale thread atboth 90° angles.

Male Branch Tee

Double Universal Male Elbow

Use to branch afemale thread atright angles. Twoindividual partsrotate 360°.

1/8

3/8

3/8

1/8

ø4

ø6

ø10

1/4

1/81/4ø83/81/21/43/81/2

Applicabletube O.D.

[mm]

ConnectingThread Model

1/4

SSSSSSSSSS

SS

SKQ2VD04-01

KQ2VD06-01KQ2VD06-02

KQ2VD08-01KQ2VD08-02KQ2VD08-03KQ2VD08-04KQ2VD10-02KQ2VD10-03KQ2VD10-04

KQ2VD06-03

KQ2VD04-02KQ2VD04-03

ø41/8

ø6 1/81/4

ø8 1/43/81/4ø103/8

Applicabletube O.D.

[mm]

ConnectingThread Model

UniversalFemale Elbow

Use to branch amale or femalethread at a 90°angle. Multipleconnectionspossible.K

Q2

VF

KQ2VF04-M5KQ2VF04-01KQ2VF06-M5KQ2VF06-01KQ2VF06-02

KQ2VF08-02KQ2VF08-01

KQ2VF08-03KQ2VF10-02KQ2VF10-03

S

SSSSSSS

M5 x 0.8

M5 x 0.8

1/8

Branch UniversalMale Elbow

1/8

1/4

ø10

3/8

1/43/8

ø8

ø4

ø6

1/43/8

Applicabletube O.D.

[mm]

ConnectingThread Model

KQ2Z04-M5

KQ2Z06-02KQ2Z06-03

KQ2Z08-02KQ2Z08-03KQ2Z10-02KQ2Z10-03

KQ2Z06-01KQ2Z04-01

SS

SSSS

SS

SKQ2Z08-01

KQ

2Z Hexagon head of

the body allowstightening with abox wrench. Usefor branchconnections.

M5 x 0.8

1/8

1/8

Double BranchUniversal Male Elbow

KQ2ZD04-01KQ2ZD04-02KQ2ZD04-03KQ2ZD06-01KQ2ZD06-02KQ2ZD06-03KQ2ZD08-01KQ2ZD08-02KQ2ZD08-03KQ2ZD08-04KQ2ZD10-02KQ2ZD10-03KQ2ZD10-04

SSSSSSSSSSSSS

ø8

ø6

ø4

ø10

Applicabletube O.D.

[mm]

1/81/43/81/81/43/81/81/43/81/21/43/81/2

ConnectingThread Model

Use to four-brancha female thread atright angles.Two individualparts rotate 360°

ø4

ø6

ø8

ø10

Applicabletube O.D.

[mm]Model

1/81/43/81/81/43/81/81/43/81/21/43/8

ConnectingThread

1/2

KQ2ZT04-01KQ2ZT04-02KQ2ZT04-03KQ2ZT06-01KQ2ZT06-02KQ2ZT06-03KQ2ZT08-01KQ2ZT08-02KQ2ZT08-03KQ2ZT08-04KQ2ZT10-02KQ2ZT10-03KQ2ZT10-04

SSSSSSSSSSSSS

Use to six-brancha female thread atright angles. Threeindividual partsrotate 360°.

Triple Branch UniversalMale Elbow

ø4KQ2VT04-01

1/8 KQ2VT06-01ø6 1/4 KQ2VT06-02

ø8

1/8 KQ2VT08-011/4 KQ2VT08-023/8 KQ2VT08-03

ø10

1/2 KQ2VT08-041/4 KQ2VT10-023/8 KQ2VT10-031/2 KQ2VT10-04

Applicable tube O.D.

[mm]

ConnectingThread Model

1/4 KQ2VT04-02

SS

SSSSSSS

SS

S

S

KQ2VT06-03

KQ2VT06-03

Triple UniversalMale Elbow

Use to three-branchfemale thread atright angles.Three individualparts rotate 360°

3/8

1/8

3/8

ø3.2

ø2

ø6

ø4

ø8

ø10

Applicable tube O.D.

[mm]Model

S

SS

SS

SS

SSSSSS

KQ2W23-M5KQ2W23-01KQ2W23-02

KQ2W04-01KQ2W04-M5

KQ2W04-02KQ2W06-M5KQ2W06-01KQ2W06-02

KQ2W08-01KQ2W08-02KQ2W08-03KQ2W10-02KQ2W10-03KQ2W10-04

KQ2W02-M5

KQ2W06-03

M5 x 0.81/81/4

1/81/4

M5 x 0.81/81/4

1/81/43/81/41/81/2

ConnectingThread

3/8

M5 x 0.8

M5 x 0.8

Use with male elbowfor fittings to avoidinterferring with eachother by making thepiping multi-level.

KQ

2W

Extended Male Elbow

Different DiameterPlug-in “Y”

Use to branchOne-touch fittingswith size reduced.

ø4ø6ø8ø10ø12

ø3.2ø4ø6ø8ø10

KQ2X23-04AKQ2X04-06AKQ2X06-08AKQ2X08-10AKQ2X10-12A

Applicabletube O.D.

[MM]

Applicablefitting size Model

ø3.2ø4ø6ø8

ø10

ø3.2ø4ø6ø8

ø10

Applicable tube O.D.

[mm]

ApplicableFittingSize

KQ2U23-99AKQ2U04-99AKQ2U06-99AKQ2U08-99AKQ2U10-99A

Model

Plug-in “Y”

KQ

2U

Use to branchOne-touch fittings.

ø4 1/8

ø6

1/41/81/4

Applicable tube O.D.

[inch]

ConnectingThread

KQ2UD04-01KQ2UD04-02KQ2UD06-01KQ2UD06-02

SSSS

Model

Delta Branch

Use to four-brancha female thread.

KQ

2U

D

ø4

ø6

1/8

1/4

1/43/81/4

ø8

3/8ø10

1/8

Applicabletube O.D.

[mm]

ConnectingThread

KQ2V04-M5KQ2V04-01 S

KQ2V06-01 SKQ2V06-M5

KQ2V06-02 S

KQ2V08-02 SSKQ2V08-01

KQ2V08-03 SKQ2V10-02 SKQ2V10-03 S

Model

KQ

2V Hexagon head of

the body allowstightening with a box wrench inconfined spaces.

Universal Male Elbow

M5 x 0.8

M5 x 0.8

1/8

Branch “Y”

Use to branch afemale thread.

1/81/4

ø3.2

ø6

M5 x 0.8

1/4M5 x 0.8

ø4

1/81/43/8

1/4ø83/81/43/81/2

ø10

Applicabletube O.D.

[mm]

ConnectingThread Model

M5 x 0.8

1/8

1/8

KQ2U23-01 SKQ2U23-02 SKQ2U04-M5

SKQ2U04-02 SKQ2U06-M5KQ2U06-01 SKQ2U06-02 SKQ2U06-03 S

SKQ2U08-02 SKQ2U08-03 SKQ2U10-02 SKQ2U10-03 SKQ2U10-04 S

KQ2U23-M5

KQ2U04-01

KQ2U08-01

1/4

KQ

2V

S Hexagon socketon the top allowstightening with ahexagon wrenchin confinedspaces.

Hexagon SocketHead Universal Male

ø4 1/8

ø6 1/81/4

1/4ø83/81/4ø10 3/8

Applicabletube O.D.

[mm]

ConnectingThread Model

KQ2VS04-01 S

KQ2VS06-01 SKQ2VS06-02 S

SKQ2VS08-02 SKQ2VS08-03 SKQ2VS10-02 SKQ2VS10-03 S

KQ2VS04-M5

KQ2VS06-M5

KQ2VS08-01

M5 x 0.8

M5 x 0.8

1/8

ø3.2

ø2

ø6

ø4

ø8

ø10

Applicabletube O.D.

[mm]Model

KQ2Y23-M5KQ2Y23-01KQ2Y23-02

KQ2Y04-01KQ2Y04-02

SS

SS

KQ2Y06-M5KQ2Y06-01KQ2Y06-02

KQ2Y08-01KQ2Y08-02KQ2Y08-03KQ2Y10-01KQ2Y10-02KQ2Y10-03KQ2Y10-04

SSSSSSSSSS

KQ2Y02-M5

KQ2Y04-M5

KQ2Y06-03

Male Run Tee

M5 x 0.81/81/4

1/81/4

M5 x 0.81/81/4

1/81/43/81/81/43/81/2

ConnectingThread

M5 x 0.8

M5 x 0.8

3/8

Use to branch afemale thread at90° angle.

[] Thread Material/Surface treatmentA = BrassN = Brass + Nickel Plated

KQ2F04-M5KQ2F04-01KQ2F04-02KQ2F06-M5KQ2F06-01KQ2F06-02KQ2F06-03KQ2F08-01KQ2F08-02KQ2F08-03KQ2F10-02KQ2F10-03

Female Connector

Use to pipe amale thread of apressure gauge,etc.

ø4

ø8

ø6

ø10

Applicable Tube O.D.

[mm]

M5 x 0.8

M5 x 0.8

1/81/4

1/81/43/81/81/43/81/43/8

ConnectingThread Model

Bulkhead Connector

ø3.2

ø4

ø6

ø8

ø10

Applicable Tube O.D.

[mm]

ConnectingThread

1/41/81/41/8

3/81/43/8

1/43/81/81/4

Model

KQ2E23-02KQ2E04-01KQ2E04-02KQ2E06-01KQ2E06-02KQ2E06-03KQ2E08-01KQ2E08-02KQ2E08-03KQ2E10-02KQ2E10-03

Use to connectmale thread andtubing through apanel, etc.

ø3.2ø4ø6ø8

Applicable tubeO.D. [mm]

ø10ø12

Bulkhead Union

Use to connecttubing througha panel, etc.

Model

KQ2E23-00KQ2E04-00KQ2E06-00KQ2E08-00KQ2E10-00KQ2E12-00

ø4ø6ø8ø10

Applicable tubeO.D. [mm]

Tube Cap

Use to plugunused tubing.

KQ2C04-00AKQ2C06-00AKQ2C08-00AKQ2C10-00A

ø12 KQ2C12-00A

Model

Male Connector

Use to pipe afemale thread.Most generalmodel.

ø2

ø4

ø3.2

ø6

ø8

ø10

ø12

ø16

ApplicableTube O.D.

[mm]

KQ2H02-M5KQ2H02-M3G

KQ2H23-M3GKQ2H23-M5

KQ2H23-02 SSKQ2H23-01

KQ2H04-M3GKQ2H04-M5

KQ2H04-02 SSKQ2H04-01

KQ2H06-M5KQ2H06-01 SKQ2H06-02 SKQ2H06-03 SKQ2H08-01 SKQ2H08-02 SKQ2H08-03 SKQ2H10-01 SKQ2H10-02 SKQ2H10-03 SKQ2H10-04 SKQ2H12-02 SKQ2H12-03 SKQ2H12-04 SKQ2H16-02 SKQ2H16-03 SKQ2H16-04 S

Model

M5 x 0.8M3 x 0.5

1/8

1/8

M3 x 0.3M5 x 0.8

1/4M3 x 0.5M5 x 0.8

1/4M5 x 0.8

1/81/43/81/81/43/81/81/43/81/2

1/43/81/2

1/43/81/2

ConnectingThread

ø2ø3.2ø4ø6

Applicable tubeO.D. [mm]

ø8ø10ø12

Straight Union

Use to connecttubing in thesame direction.

Model

KQ2H02-00AKQ2H23-00AKQ2H04-00AKQ2H06-00AKQ2H08-00AKQ2H10-00AKQ2H12-00A

Applicable tubeO.D. [mm]

Different Diameter Straight

Use to connecttubing of differentsizes.

KQ

2H

Model

KQ2H02-23AKQ2H02-04AKQ2H23-04AKQ2H23-06AKQ2H04-06AKQ2H06-08AKQ2H08-10AKQ2H10-12A

ø2

ø3.2

ø6ø4

ø8ø10

Aø3.2ø4ø4ø6ø6ø8ø10ø12

B

Reducer Elbow

Applicable tube O.D.

[mm]

ApplicableFittingSize

Model

ø3.2 ø4

ø4

ø6

ø6ø6ø8ø8

ø10

ø8 ø10ø12ø12ø10

ø12 ø16

KQ2L23-04AKQ2L23-06AKQ2L04-06AKQ2L04-08AKQ2L06-08AKQ2L06-10AKQ2L08-10AKQ2L08-12AKQ2L10-12AKQ2L12-16A

Use to change thetube direction fromOne-touch fittingsby 90° and toreduce size.

ø3.2ø4ø6ø8

Applicable tubeO.D. [mm]

ø10ø12

Union Elbow

Use to connecttubing at rightangles.

Model

KQ2L23-00AKQ2L04-00AKQ2L06-00AKQ2L08-00AKQ2L10-00AKQ2L12-00A

KQ

2L

ø3.2ø4ø6ø8

Applicable tubeO.D. [mm] Model

ø10ø12

Plug-in Elbow

Use to changethe tube directionfrom One-touchfittings by 90º.

KQ2L23-99AKQ2L04-99AKQ2L06-99AKQ2L08-99AKQ2L10-99AKQ2L12-99A

45° Male Elbow

Use to pipe afemale thread at a45° angle. Modelin between of maleconnector and maleelbow.

1/8

ø10

1/43/8

ø8

ø4

1/81/43/81/81/43/81/2

ø6

1/4

1/8

M5 x 0.8

Applicable tube O.D.

[mm]

ConnectingThread Model

M5 x 0.8

KQ2K04-M5KQ2K04-01KQ2K04-02

KQ2K06-02KQ2K06-03KQ2K08-01KQ2K08-02KQ2K08-03KQ2K10-01KQ2K10-02KQ2K10-03KQ2K10-04

SS

KQ2K06-M5SS

KQ2K06-01

SSSSSSSS

ø2ø3.2ø4ø6

Applicable tubeO.D. [mm]

ø8ø10

Model

KJP-02KQ2P-23KQ2P-04KQ2P-06KQ2P-08KQ2P-10

Plug

Use toplug unusedOne-touchfittings.

Bulkhead Male Elbow

ø4ø6ø8

ø10

Applicable tubeO.D. [mm] Model

KQ2LE04-00KQ2LE06-00KQ2LE08-00KQ2LE10-00

Use to connecttubing througha panel, etc. andto change the tube directionby 90º.

Use to four-branchline.

Internal hexagonsocket allowstightening with a hexagon wrench inconfined spaces.

Union “Y”

Use to branchtubing in the same direction.

ø4ø6ø8

ø10

Applicable tubeO.D. [mm] Model

Nipple

Use to connectOne-touchfittings.

KQ2N04-99KQ2N06-99KQ2N08-99KQ2N10-99

ø4M5 x 0.8

1/81/4

M5 x 0.81/81/4ø6

3/81/81/4ø83/81/4

ø10 3/8

Applicable tube O.D.

[mm]

ConnectingThread Model

1/2

KQ2LF04-M5KQ2LF04-01KQ2LF04-02KQ2LF06-M5KQ2LF06-01KQ2LF06-02KQ2LF06-03KQ2LF08-01KQ2LF08-02KQ2LF08-03KQ2LF10-02KQ2LF10-03KQ2LF10-04

Female Elbow

Use to pipe amale thread atright angles.