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JUNKOSHA Tightening Fittings（Nominal of Thread：3/8）

JUNKOSHA offers products Tightening Fittings specified by Nominal of Thread 3/8 from Automation Components product category. There are a total of 10 items. Search and select detailed specifications of parts for your machine with free CAD downloads. JUNKOSHA products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

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Specification/Dimensions

Material
Copper

Plastic

Stainless Steel
Clear

Connection Types
- Screw <=> Tube Connection
- Screw <=> Tube Multipoint Connection
- Tube <=> Tube Equal Dia. Connection
- Related Components
Clear

Nominal of Thread
1/2

1/4

1/4B(8A)

1/8

1/8B(6A)

3/8

M5

M6

M8

M10

M12

M14

M15

M17

M22
Clear

Screw-to-Tube Connection Shape
- Elbows
- Male Straight
- Female Straight
Clear

Tube Outer Dia.(mm)
3.18

3.2

4

4.76

6

6.35

7.94

8

9

9.53

10

12

12.7

15.88

16

19

21
Clear

Tube-to-Tube Connection Shape
- Straight
- Elbows
- Tees
- Partition Unions
Clear

Screw Types
- R
- Rc
- G
- M
- NPT
Clear

Tube Inner Dia.(mm)
1.6

1.65

2

2.1

2.18

2.2

2.3

2.36

2.4

2.5

3

3.48

3.95

3.96

4

4.5

4.57

5

5.9

6

6.35

6.5

6.99

7.5

7.6

7.7

7.8

7.9

8

9

9.53

9.56

10

11

12

13

16
Clear

Related Components, Shapes, Types
- Plugs
- Gaskets
- Nuts
- Bushings
- Sockets
- Sleeves
- Inserts
- Other Related Components
Clear

Screw-to-Tube Multipoint Connection Shape
- Tees
- Manifolds
Clear

Surface Treatment
- Not Provided
- Nickel Plating
Clear

Applicable Tube O.D. at the Smaller Dia. Section(mm)
4

6

8

10

12
Clear

Brand	(13) (4) AOI (1) CHIYODA (7) FESTO (0) JUNKOSHA (10) KOYO (0) NITTA (27) PISCO (12) SMC (21) TAIYO (0) TRUSCO (6)
Filter By	All Sale Items
CAD	2D 3D

10 items

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: 30; 60; 90

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Until 31/03/2025

Junron Stainless Steel Fitting, Nipple

JUNKOSHA

Can be used over a wide temperature range. No wear and tear to the tube due to overtightening of the compression nut.
[Features]
· Can be used in a wide range from low temperature to high temperature as the composition of SUS316 has high corrosion-resistance.
· As the tubes are dedicated-designed with fluoropolymer nylon resin, they have no wear and tear due to overtightening of the compression nut.
· No abnormalities in the connector part until the tube breaks.
· No need to manage the tightening torque of the compression nut.
· Rust resistant fitting due to use of SUS316.
[Applications]
· Pipes for corrosive fluids.
· Hydraulic piping.
· Rust-prevention piping.

From: ฿ 728.13
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Junron Brass Fitting, Nipple

JUNKOSHA

[Features]
· Compliant with Japan Industrial Standard JIS B8381 "Pneumatic Pipe Fittings."
· Has a tube insert part and a mechanism that tightens with a sleeve / compression nut, allowing a tight connection.
· No abnormalities occur in the connector part until the tubing breaks.
· Comes with a colored screw seal for each R (PT) thread size.
[Applications]
· Air pressure pipes / hydraulic / oil pressure

From: ฿ 100.53
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Until 31/03/2025

Junron Brass Fitting Elbow

JUNKOSHA

From: ฿ 167.84
Special Price
Days to Ship: Same day

Same day

Compare

Junron Brass Nipple Joint Tee

JUNKOSHA

Conforms to Japanese Industrial Standards JIS B8381 for "pneumatic pipe fittings." Allows for reliable connections because the mechanism takes the tube insert and clamps onto it with the sleeve and the cap nut. Each R (PT) screw size has a different colored screw seal.

From: ฿ 301.66
Days to Ship: 9 Day(s)

9 Day(s)

Compare

Junlon Brass Fitting, Service Tee

JUNKOSHA

Conforms to Japanese Industrial Standards JIS B8381 "Pneumatic Fittings." Allows for reliable connections because the mechanism clamps onto the tube insert with the sleeve and the cap nut. With collar thread seal for each R (PT) thread size.

From: ฿ 301.66
Days to Ship: 11 Day(s)

11 Day(s)

Compare

Junron Brass Fitting Bulkhead Female Union

JUNKOSHA

Conforms to Japanese Industrial Standards JIS B8381 "Pneumatic Fittings." Allows for reliable connections because the mechanism takes the tube insert and clamps onto it with the sleeve and the cap nut. With collar thread seal for each R (PT) thread size.

From: ฿ 308.29
Days to Ship: 11 Day(s)

11 Day(s)

Compare

Until 31/03/2025

Junron Stainless Steel Elbow Fitting

JUNKOSHA

[Features]
· Can be used in a wide range from low temperature to high temperature as the composition of SUS316 has high corrosion-resistance.
· As the tubes are dedicate-designed with fluoropolymer nylon resin, they have no wear and tear due to overtightening of the compression nut.
· No abnormalities in the connector part until the tube breaks.
· No need to manage the tightening torque of the compression nut.
· Rust resistant fitting due to use of SUS316.
[Applications]
· Pipes for corrosive fluids.
· Hydraulic piping.
· Rust-prevention piping.

From: ฿ 1,157.42
Special Price
Days to Ship: Same day

Same day

Compare

Junlon Stainless Steel Fitting Tee

JUNKOSHA

Usable across a broad temperature range. Free of wear to tubing due to over-tightening of cap nut, etc. No abnormality in the connector unless the tube ruptures. Does not require management of cap nut tightening torque.

From: ฿ 1,878.19
Days to Ship: 11 Day(s)

11 Day(s)

Compare

Junlon Stainless Fittings Bulkhead Female Union

JUNKOSHA

Usable across a broad temperature range. No wear and tear to tubing as a result of an over tightening of cap nut, etc. No abnormality in the connected part unless the tube is ruptured. Does not require management of cap nut tightening torque.

From: ฿ 1,286.71
Days to Ship: 9 Day(s)

9 Day(s)

Compare

Junron Stainless Steel Fitting Male Bulkhead Union

JUNKOSHA

Usable across a broad temperature range. No wear and tear to tubing as a result of the over tightening of cap nut, etc.

[Features]
· Because the product consists of SUS316, which has high corrosion resistance properties, it can be used in a wide temperature range, at both low and high temperatures.
· Designed especially for fluorine polymer/nylon resin tubes, so the tube does not rupture due to excessive tightening of cap nuts, etc.
· No abnormality in the connected part unless the tube is ruptured.
· The tightening torque of the cap nut does not need to be managed.
Fitting uses SUS316, so it resists rust.

From: ฿ 1,304.90
Days to Ship: 9 Day(s)

9 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Material
Connection Types
Nominal of Thread
Screw-to-Tube Connection Shape
Tube Outer Dia.(mm)
Tube-to-Tube Connection Shape
Screw Types
Tube Inner Dia.(mm)
Related Components, Shapes, Types
Screw-to-Tube Multipoint Connection Shape
Surface Treatment
Applicable Tube O.D. at the Smaller Dia. Section(mm)

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA	JUNKOSHA
Product Series	Junron Stainless Steel Fitting, Nipple	Junron Brass Fitting, Nipple	Junron Brass Fitting Elbow	Junron Brass Nipple Joint Tee	Junlon Brass Fitting, Service Tee	Junron Brass Fitting Bulkhead Female Union	Junron Stainless Steel Elbow Fitting	Junlon Stainless Steel Fitting Tee	Junlon Stainless Fittings Bulkhead Female Union	Junron Stainless Steel Fitting Male Bulkhead Union
CAD	2D	2D	2D	2D	2D		2D	2D	2D	2D
From	฿ 728.13 Special Price On Sale Until 31/03/2025	฿ 100.53 Special Price On Sale Until 31/03/2025	฿ 167.84 Special Price On Sale Until 31/03/2025	฿ 301.66	฿ 301.66	฿ 308.29	฿ 1,157.42 Special Price On Sale Until 31/03/2025	฿ 1,878.19	฿ 1,286.71	฿ 1,304.90
Days to Ship	Same day	5 Day(s)	Same day	9 Day(s)	11 Day(s)	11 Day(s)	Same day	11 Day(s)	9 Day(s)	9 Day(s)
Material	Stainless Steel	Copper	Copper	Copper	Copper	Copper	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel
Connection Types	Screw <=> Tube Connection	Screw <=> Tube Connection	Screw <=> Tube Connection	Screw <=> Tube Multipoint Connection	Screw <=> Tube Multipoint Connection	Screw <=> Tube Connection	Screw <=> Tube Connection	Screw <=> Tube Multipoint Connection	Screw <=> Tube Connection	Screw <=> Tube Connection
Nominal of Thread	3/8	3/8	3/8	3/8	3/8	3/8	3/8	3/8	3/8	3/8
Screw-to-Tube Connection Shape	Male Straight	Male Straight	Elbows	-	-	Female Straight	Elbows	-	Female Straight	Male Straight
Tube Outer Dia.(mm)	6 ～ 12.7	6.35 ～ 12.7	6.35 ～ 12.7	9.53 ～ 12.7	10	10 ～ 12	6 ～ 12.7	8 ～ 10	6 ～ 12	6 ～ 12
Tube-to-Tube Connection Shape	-	-	-	-	-	-	-	-	-	-
Screw Types	R	R	R	R	R	Rc	R	R	Rc	R
Tube Inner Dia.(mm)	3.96 ～ 10	4.57 ～ 9.56	4.57 ～ 9.56	6.5 ～ 9.56	6.5	7.5 ～ 9	3.96 ～ 10	6 ～ 7.5	4 ～ 10	4 ～ 10
Related Components, Shapes, Types	-	-	-	-	-	-	-	-	-	-
Screw-to-Tube Multipoint Connection Shape	-	-	-	Tees	Tees	-	-	Tees	-	-
Surface Treatment	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Applicable Tube O.D. at the Smaller Dia. Section(mm)	-	-	-	-	-	-	-	-	-	-