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One-touch fitting KQ2 series Half union KQ2H (gasket seal) (KQ2H04-M3G1)

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SMC

The Male Connector KQ2H (Gasket Seal) is a one-touch fitting from SMC.
[Features]
· Improved tube insertion/removal.
· Compact and light weight.
[Applications]
· Typically used together with a male elbow. However, where it differs is that it is used to prevent interference between fittings by allowing for multi-level piping.
[See here for catalog]
· Applicable tube outer diameter (metric), Connection thread [M], Release button: oval (pp. 9) / circle (pp. 105)
· Applicable tube outer diameter (inches), Connection thread [UNF], Release button: oval (pp. 33) circle (pp. 137)
· Applicable tube outer diameter (inches), Connection thread [M], Release button: oval (pp. 52) / circle (pp. 160)
· Applicable tube outer diameter (metric), Connection thread [Uni], Release button: oval (pp. 90) / circle (pp.204)
· Applicable tube outer diameter (inches), Connection thread [Uni], Release button: oval (pp. 98) / circle (pp. 212)

(i)Caution

The minimum order quantity varies depending on the selected model. Please check the quotation / order screen for details.
See the catalog for details on materials and specifications.
Product images may be representative images. Refer to the catalog for details.

Part Number

Configured Part Number is shown.

KQ2H04-M3G1

Product Specifications
Part Numbers
Catalog

Male Connector KQ2H (Gasket Seal) Details Example

Male Connector KQ2H (Gasket Seal) KQ2H04-U/KQ2H06-U/KQ2H08-U/KQ2H10-U/KQ2H12-U/KQ2H16-U Series product image

Male Connector KQ2H (Gasket Seal) Specification Example

Usable fluids		Air, water ^{Note 1:}
Operating pressure range ^{Note 2:}		-100 kPa to 1 MPa
Guaranteed proof pressure (at 23°C)		3 MPa
Ambient temperature and fluid temperature		-5 to 60°C, For water: 0 to 40°C (no freezing)
Thread	Mounting section	ISO 16030 (parallel pipe thread)
Thread	Nut section	JIS B0205 (metric fine thread)
Thread part sealant		Seal ring

Note 1: The surge pressure must be under the maximum operating pressure.
* Note 2: Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.

Main Component Materials

Body	C3604, PBT
Stud	C3604 (thread part)
Chuck	SUS304
Guide	SUS304
Release button	POM
Seal, O-ring, seal ring	NBR

Male Connector KQ2H (Gasket Seal) Dimensions Example

(Units: mm)

KQ2H04-U/KQ2H06-U /KQ2H08-U/KQ2H10-U/KQ2H12-U/KQ2H16-U Series dimensional drawing

Applicable tube outer diameter (mm)	Connection thread Uni	Model	H (width across flats)	øD	L	A ^*	M	Effective area (mm²)		Minimum hole diameter	Weight g
Applicable tube outer diameter (mm)	Connection thread Uni	Model	H (width across flats)	øD	L	A ^*	M	Nylon	Urethane	Minimum hole diameter	Weight g
ø4	1/8	KQ2H04-U01□	10	7.7	15.9	11.1	13.3	4.8	3.4	3	6.6
ø4	1/4	KQ2H04-U02□	14	7.7	15.3	8.9	13.3	4.8	3.4	3	12.7
ø6	1/8	KQ2H06-U01□	12	9.7	16.7	11.9	13.3	13.1	10.4	4.5	6.2
	1/4	KQ2H06-U02□	14	9.7	17	10.6	13.3	13.1	10.4	4.5	12.8
	3/8	KQ2H06-U03□	17	9.7	14.9	8.5	13.3	13.1	10.4	4.5	18.1
ø8	1/8	KQ2H08-U01□	14	13	20.6	15.8	14.2	26.1	18	6	7
	1/4	KQ2H08-U02□	14	13	18.5	12.1	14.2	26.1	18	6	10.1
	3/8	KQ2H08-U03□	17	13	14.9	8.5	14.2	26.1	18	6	15
ø10	1/8	KQ2H10-U01□	17	15.6	22.4	17.6	15.6	26.1	18	6	13.9
	1/4	KQ2H10-U02□	17	15.6	23.7	17.3	15.6	41.5	29.5	7.5	17.6
	3/8	KQ2H10-U03□	17	15.6	19.5	13.1	15.6	41.5	29.5	7.5	15.6
	1/2	KQ2H10-U04□	22	15.6	17	8.4	15.6	41.5	29.5	7.5	29.5
ø12	1/4	KQ2H12-U02□	19	18.2	24.8	18.4	17	58.3	46.1	9	13.8
	3/8	KQ2H12-U03□	19	18.2	21.8	15.4	17	58.3	46.1	9	17.9
	1/2	KQ2H12-U04□	22	18.2	17.7	9.1	17	58.3	46.1	9	25.4
ø16	3/8	KQ2H16-U03□	24	23.6	29.2	22.8	20.6	81	67	11	33.9
ø16	1/2	KQ2H16-U04□	24	23.6	26.8	18.2	20.6	113	67	13	31.5

□: A (Brass), N (Brass + electroless nickel plating)

*Reference dimensions after screwing-in Uni thread

: 30; 45; 60

Part Number
KQ2H04-M3G1

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Types	Body Material	Application	Thread Material	Packing, Material of O-Ring	Operating Temperature (°C)	Applicable Tube O.D.1 (φ)	Types of connection	Connection screw	Number of Connection Tubes (piece)	Color	Release button shape	Release button color	Custom-made specifications
	MYR 30.92	1 Piece(s)		2 Day(s)	[One-Touch Couplings] Single-Action / Screw	[SUS303, SUS304] SUS303+PBT	Standard/Mini	[SUS303, SUS304] SUS303	[Standard (NBR Nitrile Rubber )] NBR	-5～60	4	M	3×0.5	1	White	Ellipse	Light Gray	N/A

Basic Information

Fitting Type	Screw Mount Direction	Applicable Fluid	Water / Air	Screw Mounting, Direction	Half Union

Please check the type/dimensions/specifications of the part KQ2H04-M3G1 in the One-touch fitting KQ2 series Half union KQ2H (gasket seal) series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

type
- 10-KQ2H
- KQ2H
Clear
Types
- One-Touch Couplings
  - Single-Action / Screw
  - Single-Action Coupling
Clear
Body Material
- SUS303, SUS304
  - SUS303
  - SUS303+PBT
- Brass
  - PBT + Brass
  - PBT + Brass (Electroless nickel plating)
Clear
Application
- Standard/Mini
- Clean circumstance
Clear
Thread Material
- Standard (Brass)
  - Brass
  - Brass (Electroless nickel plating)
- SUS303, SUS304
  - SUS303
  - SUS303, SUS304
Clear
Packing, Material of O-Ring
- Standard (NBR Nitrile Rubber )
  - NBR
  - NBR (fluorine coated)
Clear
Applicable Tube O.D.1(φ)
1/2

1/4

1/8

2

3/8

3/16

3.2

4

5/16

5/32

6

8

10

12

16
Clear
Types of connection
- M
- UNF
- Uni
Clear
Connection screw
- 1/2
- 1/4
- 1/8
- 3×0.5
- 3/8
- 5×0.8
- 6×1.0
- 10-32
Clear
Number of Connection Tubes(piece)
- 1
Clear
Color
- White
Clear
Release button shape
- Ellipse
- Perfect circle
Clear
Release button color
- Light Gray
- Orange
- White
Clear
Custom-made specifications
- Lubricant: white petroleum jelly, release bushing color change
- N/A
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

17 Day(s) or Less

21 Day(s) or Less

31 Day(s) or Less

32 Day(s) or Less

41 Day(s) or Less

46 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Products like this...

Part Number
10-KQ2H01-U01N1
10-KQ2H01-U02N
10-KQ2H02-M3G
KQ2H04-M5-X12
KQ2H04-M5-X17
KQ2H04-M5-X26

Standard Unit Price	Minimum order quantity	Days to Ship	Types	Body Material	Application	Thread Material	Packing, Material of O-Ring	Operating Temperature (°C)	Applicable Tube O.D.1 (φ)	Types of connection	Connection screw	Number of Connection Tubes (piece)	Color	Release button shape	Release button color	Custom-made specifications
MYR 40.96	5 Piece(s)	17 Day(s) or more	[One-Touch Couplings] Single-Action / Screw	[SUS303, SUS304] SUS303	Clean circumstance	[SUS303, SUS304] SUS303, SUS304	[Standard (NBR Nitrile Rubber )] NBR	-	-	-	-	-	-	-	-	-
-	10 Piece(s)	Quote	[One-Touch Couplings] Single-Action / Screw	[Brass] PBT + Brass (Electroless nickel plating)	Clean circumstance	[Standard (Brass)] Brass (Electroless nickel plating)	[Standard (NBR Nitrile Rubber )] NBR	-5～60	1/8	Uni	1/4	1	White	Perfect circle	White	N/A
MYR 64.13	1 Piece(s)	31 Day(s)	[One-Touch Couplings] Single-Action / Screw	[SUS303, SUS304] SUS303+PBT	Clean circumstance	[SUS303, SUS304] SUS303	[Standard (NBR Nitrile Rubber )] NBR	-5～60	2	M	3×0.5	1	White	Perfect circle	White	N/A
-	10 Piece(s)	Quote	[One-Touch Couplings] Single-Action Coupling	-	Standard/Mini	-	[Standard (NBR Nitrile Rubber )] NBR	-5～60	4	M	5×0.8	1	-	Perfect circle	-	-
MYR 21.63	1 Piece(s)	21 Day(s)	[One-Touch Couplings] Single-Action Coupling	-	Standard/Mini	-	[Standard (NBR Nitrile Rubber )] NBR (fluorine coated)	-5～60	4	M	5×0.8	1	-	Perfect circle	-	-
-	10 Piece(s)	Quote	[One-Touch Couplings] Single-Action Coupling	-	Standard/Mini	-	[Standard (NBR Nitrile Rubber )] NBR	-5～60	4	M	5×0.8	1	-	Perfect circle	-	-

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One-touch fitting KQ2 series Half union KQ2H (gasket seal) (KQ2H04-M3G1)

(i)Caution

Male Connector KQ2H (Gasket Seal) Details Example

Male Connector KQ2H (Gasket Seal) Specification Example

Main Component Materials

Male Connector KQ2H (Gasket Seal) Dimensions Example

Basic Information

Configure

Specification/Dimensions

type

Types

Body Material

Application

Thread Material

Packing, Material of O-Ring

Applicable Tube O.D.1(φ)

Types of connection

Connection screw

Number of Connection Tubes(piece)

Color

Release button shape

Release button color

Custom-made specifications

CAD