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SMC One-Touch fitting.
[Features]
· Stainless steel specifications for use in corrosive environments.
· SUS303 is used for metal parts.
· Suitable for use in CRT production lines where contact with copper must be avoided, as well as cleaning of food processing machines where water or salt water splashes.
· Suitable for use inside clean rooms where discoloration of copper materials and dust caused by corrosion must be avoided.
[Applications]
· The internal hex allows thread connection by using an Allen wrench for confined spaces.

Hex Socket Head Male Connector: KGS outline drawing (M5)

Hex Socket Head Male Connector: KGS outline drawing (R)
| Applicable tubing outer diameter (mm) | Connection thread M R | Model | H (width across flats) | øDNote) | L | *A | M | Effective cross-sectional area (mm2) | Weight g | |
|---|---|---|---|---|---|---|---|---|---|---|
| Nylon | Urethane | |||||||||
| 4 | M5 × 0.8 | KGS04-M5 | 2.5 | 8 | 18.7 | 15.6 | 12.7 | 4 | 4 | 2.6 |
| 1/8 | KGS04-01 | 3 | 9.8 | 23 | 19 | 16 | 4.1 | 3.6 | 8 | |
| 6 | M5 × 0.8 | KGS06-M5 | 2.5 | 10 | 19.5 | 16.4 | 13.5 | 4 | 4 | 3.2 |
| 1/8 | KGS06-01 | 4 | 11.8 | 24 | 20 | 17 | 10.0 | 9.9 | 9 | |
| 1/4 | KGS06-02 | 13.8 | 18 | 10.7 | 10.0 | 15 | ||||
| 8 | 1/8 | KGS08-01 | 5 | 14 | 28 | 24 | 18.5 | 17.2 | 16.2 | 12 |
| 1/4 | KGS08-02 | 6 | 25.5 | 19.5 | 23.3 | 11 | ||||
| 3/8 | KGS08-03 | 17 | 27.5 | 21.5 | 24 | |||||
| 10 | 1/8 | KGS10-01 | 5 | 17 | 30 | 26 | 21 | 17.2 | 10.0 | 18 |
| 1/4 | KGS10-02 | 8 | 27.5 | 21.5 | 39.0 | 26.6 | 12 | |||
| 3/8 | KGS10-03 | 21 | 19 | |||||||
| 1/2 | KGS10-04 | 22 | 28 | 20 | 35 | |||||
| 12 | 1/4 | KGS12-02 | 8 | 19 | 33.5 | 27.5 | 22 | 46.0 | 44.5 | 23 |
| 3/8 | KGS12-03 | 10 | 29 | 22.5 | 60.0 | 18 | ||||
| 1/2 | KGS12-04 | 22 | 28 | 20 | 30 | |||||
* Reference dimensions of R thread after installation
Note) øD is the maximum diameter.

KG Series structure
| Tube materials | FEP, PFA, nylon, soft nylonNote 1), polyurethane |
|---|---|
| Tube outer diameter | ø4, ø6, ø8, ø10, ø12, ø16 |
Note 1) Soft nylon tubing is not compatible with water.
| Usable fluids | Air, waterNote 2) | |
|---|---|---|
| Operating pressure rangeNote 3) | -100 kPa to 1 MPa | |
| Proof pressure | 3 MPa | |
| Ambient and fluid temperature | -5 to 60°C, if water is used then 0 to 40°C (no freezing) | |
| Thread | Mounting section | JIS B 0203 (taper thread for piping) JIS B 0205 (metric coarse thread) |
| Nut part | JIS B 0205 (metric fine thread) | |
| Thread sealant | With sealantNote 4)Or, without sealants | |
Note 2) The surge pressure must be under the maximum operating pressure.
Note 3) Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
Note 4) Add the suffix "S" to the part number if w/ seal is desired.
| Body | SUS303, PBT |
|---|---|
| Stud | SUS303 (thread portion) |
| Chuck | SUS304 |
| Guide | SUS304, SUS303, PBT |
| Collet, release button | POM |
| Seal, O-ring | NBR |
| Gasket | SUS304/NBR |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Body Material | Thread Material | Packing, Material of O-Ring | Applicable Tube O.D.1 (φ) | Types of connection | Connection screw | Number of Connection Tubes (piece) | Color | Specifications | Release button color | Custom-made specifications | Options |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 128.65 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 140.14 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 140.14 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 150.15 | 2 Piece(s) | 14 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 150.15 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 155.85 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 201.78 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 201.78 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 201.78 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 201.78 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 216.79 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 216.79 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 216.79 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 5 | - | - | With sealant | ||
MYR 122.14 | 2 Piece(s) | 10 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 4 | R | 1/8 | 1 | White | ISO Class:6 | White | N/A | No sealant | ||
MYR 122.14 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 4 | R | 1/8 | 1 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | R | 1/8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 130.83 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating), clean specification (air blow, double packing) | Without sealant | ||
MYR 72.30 | 1 Piece(s) | 3 Day(s) | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
- | 2 Piece(s) | Quote | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 132.22 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating), clean specification (air blow, double packing) | With sealant | ||
MYR 125.66 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 71.50 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 4 | M | 5×0.8 | 1 | White | ISO Class:6 | White | N/A | No sealant | ||
MYR 121.95 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 4 | M | 5×0.8 | 1 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | M | 5×0.8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 128.65 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | - | 4 | M | 5×0.8 | 1 | White | ISO Class:6 | White | Changing Rubber material | No sealant | ||
MYR 130.83 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | M | 5×0.8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | No sealant | ||
MYR 125.72 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Fluororubber] Special FKM (Fluorine Coating) | 4 | M | 5×0.8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 116.30 | 2 Piece(s) | 5 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 6 | R | 1/8 | 1 | White | ISO Class:6 | White | N/A | No sealant | ||
MYR 132.90 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 6 | R | 1/8 | 1 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | R | 1/8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 139.40 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | - | 6 | R | 1/8 | 1 | White | ISO Class:6 | White | Changing Rubber material | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | R | 1/8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | No sealant | ||
MYR 78.60 | 1 Piece(s) | 43 Day(s) | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 134.35 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 135.84 | 2 Piece(s) | 14 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 140.84 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Fluorine Rubber | - | - | - | - | - | ISO class: 6 | - | Changed to rubber material | With sealant | ||
MYR 142.97 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating), clean specification (air blow, double packing) | With sealant | ||
MYR 136.53 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 78.10 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 6 | R | 1/4 | 1 | White | ISO Class:6 | White | N/A | No sealant | ||
MYR 133.09 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 6 | R | 1/4 | 1 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | R | 1/4 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | R | 1/4 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | No sealant | ||
MYR 78.60 | 1 Piece(s) | 3 Day(s) | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
- | 2 Piece(s) | Quote | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 140.84 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Fluorine Rubber | - | - | - | - | - | ISO class: 6 | - | Changed to rubber material | With sealant | ||
MYR 142.97 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating), clean specification (air blow, double packing) | With sealant | ||
MYR 136.53 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | - | ISO class: 6 | - | - | With sealant | ||
MYR 78.10 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 6 | M | 5×0.8 | 1 | White | ISO Class:6 | White | N/A | No sealant | ||
MYR 132.91 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 6 | M | 5×0.8 | 1 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | No sealant | ||
MYR 134.35 | 2 Piece(s) | 10 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | M | 5×0.8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 139.15 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Fluorine Rubber | - | - | - | - | - | ISO class: 6 | - | Changed to rubber material | Without sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | M | 5×0.8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | No sealant | ||
MYR 137.22 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | - | ISO class: 6 | - | - | Without sealant | ||
MYR 128.81 | 2 Piece(s) | 5 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 8 | R | 1/8 | 1 | White | ISO Class:6 | White | N/A | No sealant | ||
MYR 143.77 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR | 8 | R | 1/8 | 1 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | No sealant | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 8 | R | 1/8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 149.52 | 2 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Fluororubber] Fluorine Rubber | - | - | - | - | - | ISO class: 6 | - | Changed to rubber material | Without sealant | ||
MYR 152.23 | 2 Piece(s) | 17 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | ISO class: 6 | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating), clean specification (air blow, double packing) | Without sealant | ||
MYR 146.53 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [SUS303, SUS304] SUS303 | [Fluororubber] Special FKM (Fluorine Coating) | 8 | R | 1/8 | 1 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | No sealant | ||
MYR 126.93 | 2 Piece(s) | 9 Day(s) or more | [Brass] PBT + Brass | [SUS303, SUS304] SUS304 | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | ISO class: 6 | - | - | With sealant |
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| Fitting Type | Screw Mount Direction | Applicable Fluid | Water / Air | Screw Mounting, Direction | With hex socket and straight |
|---|---|---|---|---|---|
| Types | Single-Action / Screw | Application | Clean circumstance / Foods・Drug-Related | Operating Temperature(°C) | -5::60 |
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