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A one-touch fitting from SMC.
[Features]
· Enables compact piping.
· Allows centralized piping.
· Broad series lineup (40 models.)
· One-touch mounting.
Part Number
Configured Part Number is shown.

KM12 structural drawing
Port A: one-touch fitting
Port B: Rc female threads
| Model | KM12 |
|---|---|
| Usable fluids | Air, waterNote 2: |
| Operating pressure range | -100 kPa to 1 MPa |
| Guaranteed proof pressure | 3 MPa |
| Ambient temperature and working fluid temperature | -5 to 60°C, 0 to 40°C if water (no freezing) |
| Thread | JIS B0203 (tapered pipe thread) |
| Accessories | Plug with hexagonal socket head and seal: 1 pc. |
Note 2: Make sure the surge pressure stays below the maximum operating pressure.
| Model | KM12 |
|---|---|
| Body | PBT |
| Stud / Drive rod | C3604 |
| Chuck | SUS304 |
| Guide | SUS304 |
| Collet, release button | POM |
| Seal, O-ring | NBR |

KM12 dimensional drawing
| Applicable tube outer diameter F mm | T Connection threads Rc | Model | N | H (width across flats) | L1 | L2 | L3 | L4 | L5 | L6 | P | Q1 | Q2 | M | Port B Minimum hole diameter | Weight g |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 1/4 | KM12-04-02-6 | 6 | 17 | 89 | 10 | 18 | 29.5 | 19.5 | 29 | 10.6 | 40 | 12 | 16 | 6 | 65 |
| KM12-04-02-10 | 10 | 110 | 61.5 | 72 | ||||||||||||
| 6 | 1/4 | KM12-06-02-6 | 6 | 17 | 99 | 10 | 19.5 | 31.5 | 21.5 | 31 | 13 | 47 | 13.5 | 17 | 7.5 | 81 |
| KM12-06-02-10 | 10 | 125 | 73 | 91 | ||||||||||||
| 8 | 3/8 | KM12-08-03-6 | 6 | 19 | 108 | 11.5 | 22.5 | 35.5 | 24 | 34.5 | 15.5 | 55 | 14.7 | 18.5 | 9 | 97 |
| KM12-08-03-10 | 10 | 139 | 86 | 112 |
(Units: mm)
| Applicable tube outer diameter F inches | T Connection threads NPT | Model | N | H (width across flats) | L1 | L2 | L3 | L4 | L5 | L6 | P | Q1 | Q2 | M | Port B Minimum hole diameter | Weight g |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5/32 | 1/4 | KM12-03-35-6 | 6 | 17.46 | 87 | 10 | 18 | 29.5 | 19.5 | 29 | 10.6 | 40 | 12 | 16 | 6 | 65 |
| KM12-03-35-10 | 10 | 110 | 61.5 | 72 | ||||||||||||
| 1/4 | 1/4 | KM12-07-35-6 | 6 | 17.46 | 95 | 10 | 19.5 | 31.5 | 21.5 | 31.25 | 13.2 | 48 | 13 | 17 | 7 | 82 |
| KM12-07-35-10 | 10 | 121 | 73.5 | 92 | ||||||||||||
| 5/16 | 3/8 | KM12-09-36-6 | 6 | 22.22 | 102 | 12.7 | 23.7 | 37.7 | 25 | 37.5 | 15.2 | 52.8 | 15 | 18.5 | 9.5 | 97 |
| KM12-09-36-10 | 10 | 132 | 83 | 112 |
(Units: mm)
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Body Material | Packing, Material of O-Ring | Applicable Tube O.D.1 (φ) | Types of connection | Connection screw | Port A Number | Color | Release button color | Custom-made specifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 80.37 | 5 Piece(s) | 13 Day(s) or more | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 5/32 | NPT | 1/4 | 6 | Black | Red | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Red | Non-steel-based specification (with electroless nickel plating) | ||
MYR 79.75 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
MYR 124.30 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 5/32 | NPT | 1/4 | 10 | Black | Red | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Red | Non-steel-based specification (with electroless nickel plating) | ||
MYR 105.07 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
MYR 90.70 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 4 | Rc | 1/4 | 6 | Black | Blue | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Blue | Non-steel-based specification (with electroless nickel plating) | ||
MYR 77.57 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | - | ||
MYR 105.07 | 5 Piece(s) | 5 Day(s) or more | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 4 | Rc | 1/4 | 10 | Black | Blue | N/A | ||
MYR 109.95 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Blue | Non-steel-based specification (with electroless nickel plating) | ||
MYR 105.64 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | - | ||
MYR 120.70 | 5 Piece(s) | 13 Day(s) or more | [Others] Other | - | 4 | Rc | 1/4 | 10 | Black | Blue | Changing Rubber material | ||
MYR 90.70 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 6 | Rc | 1/4 | 6 | Black | Blue | N/A | ||
MYR 96.70 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Blue | Non-steel-based specification (with electroless nickel plating) | ||
MYR 78.13 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
MYR 100.40 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | - | ||
MYR 91.07 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating) | ||
MYR 96.07 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | - | - | - | ||
MYR 124.30 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 6 | Rc | 1/4 | 10 | Black | Blue | N/A | ||
MYR 140.80 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Blue | Non-steel-based specification (with electroless nickel plating) | ||
MYR 118.57 | 5 Piece(s) | 10 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | - | ||
MYR 127.95 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | - | - | - | ||
MYR 95.70 | 1 Piece(s) | 43 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 1/4 | NPT | 1/4 | 6 | Black | Red | N/A | ||
MYR 113.88 | 5 Piece(s) | 21 Day(s) | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Red | Non-steel-based specification (with electroless nickel plating) | ||
MYR 81.81 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
MYR 124.30 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 1/4 | NPT | 1/4 | 10 | Black | Red | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Red | Non-steel-based specification (with electroless nickel plating) | ||
MYR 105.76 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
MYR 80.53 | 5 Piece(s) | 5 Day(s) or more | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 8 | Rc | 3/8 | 6 | Black | Blue | N/A | ||
MYR 99.94 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Blue | Non-steel-based specification (with electroless nickel plating) | ||
MYR 94.19 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | - | ||
MYR 143.40 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 8 | Rc | 3/8 | 10 | Black | Blue | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Blue | Non-steel-based specification (with electroless nickel plating) | ||
MYR 122.31 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | - | ||
MYR 143.81 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | - | - | - | - | - | - | Lubrication-free specification, rubber material, release button color change, non-steel-based specification (with electroless nickel plating) | ||
MYR 112.90 | 1 Piece(s) | 3 Day(s) | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 5/16 | NPT | 3/8 | 6 | Black | Red | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Red | Non-steel-based specification (with electroless nickel plating) | ||
MYR 96.63 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - | ||
MYR 122.31 | 5 Piece(s) | 13 Day(s) or more | [Others] Other | [Standard (NBR Nitrile Rubber )] NBR | 5/16 | NPT | 3/8 | 10 | Black | Red | N/A | ||
- | 5 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | Red | Non-steel-based specification (with electroless nickel plating) | ||
MYR 122.31 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT+PP | [Standard (NBR Nitrile Rubber )] NBR | - | - | - | - | - | - | - |
Loading...
| Fitting Type | Union with different diameters | Applicable Fluid | Water / Air | Types | Single-Action / Screw |
|---|---|---|---|---|---|
| Thread Material | Brass | Union, Unequal Dia. | Single-Action Pipe Fitting / Manifold | Application | Standard/Mini |
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