Datasheet

ManualsBrandsSMC ManualsAutomationMiniature Screw Connection

Specifications

Nylon

—M3

Soft nylon

Ø 4/Ø 2.5

Ø 3.18/Ø 2

Ø 4/Ø 2.5

Polyurethane

Ø 4/Ø 2.5

Ø 6/Ø 4

Ø 3.18/Ø 2.18

Ø 4/Ø 2.5

Ø 6/Ø 4

Ø 3.18/Ø 2

Ø 4/Ø 2.5

Ø 6/Ø 4

Applicable tubing material

Applicable

tubing

O.D. / I.D.

1.5 MPa 1 MPa 0.8 MPa

—

FEP

(1)

Ø 4/Ø 2.5

Ø 6/Ø 4

—

Super PFA

(1)

Ø 6/Ø 4

—

Modified PTFE

(1)

Ø 4/Ø 2.5

Ø 6/Ø 4

JIS B0205, Class 2 (Metric fine thread)

JIS B0203 (Taper thread for piping)

Thread

C3604BD (Nipple M-3N, M-5N: Stainless steel 303)

Nylon 66: GF30 %, Stainless steel 304: NBR (PVC for M3)

Note 1) Compatible only with hose nipple type.

Note 2) Barb fitting, barb elbow, barb elbow (H) are not compatible with water.

Principal Parts Material

Compact piping space

Hose nipple tubing

connection/disconnection is simple while

keeping a large retaining force.

Line up various styles

For air connection in confined areas.

Accepts many styles of

plastic tubing

Hose nipple and hose elbow accepts

nylon, soft nylon, and polyurethane

tubing.

Hose nipple Barb fitting

Material

Body

Gasket

Made to Order

(Refer to page 7 for details.)

Fitting Markings for Applicable Tubing Material (Barb fitting, Barb elbow, Barb elbow (H))

Tubing material determines the compatible fittings. (Refer to the table below.)

Barb

Body

Gasket

Tube

Cap nut

Barb

Body

Gasket

Tube

M5, R

M3, M5, R

M5, R

Marking Marking

Marking

Fitting marking for applicable tubing material

Connection

Tubing

Soft nylon

tubing

Polyurethane

tubing

Nylon

tubing

Soft nylon

tubing

Polyurethane

tubing

Barb fittings Barb elbow Barb elbow (H)

∗ Body of M-5E, M-5ER, M-5M is not surface-treated.

Electroless nickle plate treated is available as option -X2.

R ,

Applicable Tubing: Ø 3.2, Ø 4, Ø 6 Connection Thread: M3, M5, R

Miniature Fittings

Series M

Fluid

Max. operating pressure (at 20 °C)

Ambient and fluid temperature

Connection size

Air, Water

(2)

-5 to 60

°C,

Water: 0 to 40

°C

(No freezing)

1 MPa 1.5 MPa 1.4 MPa

With electroless nickel

plated

Configuration for easy

insertion into the tube

Holds the tube tightly

Configuration for easy

insertion into the tube

Holds the tube tightly

Certainly hold the tube

by manual clamping

Easy romoval of tube

by loosening

With electroless nickel

plated

Applicable for nylon,

soft nylon and

polyurethane tubing.

With electroless nickel

plated

Low tightening

torque

Tight seal

Low tightening

torque

Tight seal

Summary of content (7 pages)

PAGE 1
Miniature Fittings Series M Applicable Tubing: Ø 3.2, Ø 4, Ø 6 Connection Thread: M3, M5, R 1 8 Hose nipple Barb fitting Tube Barb Configuration for easy insertion into the tube Holds the tube tightly Body With electroless nickel plated Gasket Low tightening torque Tight seal Compact piping space Hose nipple tubing connection/disconnection is simple while keeping a large retaining force. Line up various styles For air connection in confined areas.
PAGE 2
Miniature Fittings Series M3, R 1/8 Series Model M-3AU-3 Description Barb fitting for soft tube Series M5 Application Note For soft nylon Ø 3.18/2.18 tubing x M3 For polyurethane tubing Ø 3.18/2 x M3 For soft nylon Ø 4/2.5 and polyureM-3AU-4 x M3 P.3 thane tubing For soft Ø 3.18/2.18 Barb elbow for nylon soft tubing x M3 tubing M-3ALU-3 For poly- Ø 3.18/2 Body urethane rotates x M3 at 360° tubing around the stud axis For soft nylon Ø 4/2.5 and polyx M3 urethane tubing P.
PAGE 3
Series M Series M3 Barb Fitting for Soft Tubing: M-3AU-3 Barb Fitting for Soft Tubing: M-3AU-4 Width across flats 5 Width across flats 5 M3 x 0.5 M3 x 0.5 Effective area: 0.9 mm2 Effective area: 0.9 mm2 Weight: 0.6 g Barb Elbow for Soft Tubing: M-3ALU-3 Weight: 0.7 g Barb Elbow for Soft Tubing: M-3ALU-4 Width across flats 5 Width across flats 5 M3 x 0.5 M3 x 0.5 Effective area: 0.6 mm2 Effective area: 0.6 mm2 Weight: 0.8 g Universal Elbow: M-3UL Weight: 0.
PAGE 4
Miniature Fittings Series M Series M5 Barb Fitting for Nylon Tubing: M-5AN-4/-6 Model A B ØC M-5AN-4 M-5AN-6 12 14 5 8 1.8 2.5 Effective area Weight (g) (mm2) 1.6 1.7 2.1 4.0 M5 x 0.8 Width across flats 7 Barb Fitting for Soft Tubing: M-5AU-3/-4/-6 Model A B ØC M-5AU-3 M-5AU-4 M-5AU-6 11.5 12 14 4.5 5 7 1.6 1.8 2.5 Effective area Weight (mm2) (g) 1.7 2.1 4.0 1.5 1.6 1.8 M5 x 0.
PAGE 5
Series M Series M5 Hose Elbow: M-5HL-4/-6 Model A M-5HL-4 M-5HL-6 B 16.5 12.5 17.5 13.5 C D ØE ØF 8.5 9.5 7 8 1.8 2.5 Effective area Weight (g) (mm2) 1.4 2.4 6.5 8.5 4.4 5.2 M5 x 0.8 Hose Elbow: M-5HLH-4/-6 A Model B C 15.5 12 8.5 17.5 13.5 9.5 M-5HLH-4 M-5HLH-6 D ØE ØF G 7 8 1.8 6.5 5.5 2.5 8.5 6 H 15 16 I 7 8 Effective area (mm2) 1.4 2.4 Weight (g) 4.5 6.6 Width across flats 7 M5 x 0.8 Elbow: M-5L Tee: M-5T M5 x 0.8 M5 x 0.8 M5 x 0.8 M5 x 0.8 M5 x 0.8 Weight: 3.
PAGE 6
Series M Miniature Fittings Series M5 Bulkhead Reducer: M-5ER Manifold: M-5M M12 x 0.75 9 x M5 x 0.8 M12 x 0.75 Rc 1 8 Mounting hole Width across flats 14 M5 x 0.8 2 x ø5.5 Width across flats 17 Width across flats 14 Mounting plate thickness 3.5 max. Panel mounting plate thickness max. 3.5 mm For the plate thinkness 3.5 to 6 mm, give the plate tapping M12 x 0.75, and then screw-in. Weight: 59 g For the plate thinkness 3.5 to 6 mm, give the plate tapping M12 x 0.75, and then screw-in.
PAGE 7
Series M Made to Order Specifications Please contact SMC for detailed dimensions, specifications, and delivery. 1 Gasket Material Modification Symbol Specifications Gasket material: Stainless steel 304, NBR Applicable thread Gasket part no. X83 M3 IN-233-706 M5 Note) M-5G2 X226 Gasket material: Stainless steel 304, FKM Applicable thread Gasket part no. X112 Gasket material: Stainless steel 316, Special FKM Applicable thread Gasket part no.