Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Industrial Shed

Weldclass - Quick-Coupling Set For Regulator Oxy/Argon | P4-RQCO

Weldclass - Quick-Coupling Set For Regulator Oxy/Argon | P4-RQCO

Industrial Shed

Weldclass - Quick-Coupling Set for Regulator Oxy/Argon | P4-RQCO

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$65.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Weldclass - Quick-Coupling Set for Regulator Oxy/Argon | P4-RQCO The Weldclass Quick-Coupling Set for Regulator Oxy/Argon | P4-RQCO is a Platinum Argon regulator for controlling gas pressure and flow in MIG, TIG, and oxy-fuel applications.
...

Delivery & Returns

Industrial Shed

4.7 (726)

You might also like

Weldclass - Quick-Coupling Set For Torch Oxy/Argon | P4-TQCO

Industrial Shed

Weldclass - Quick-Coupling Set for Torch Oxy/Argon | P4-TQCO

Weldclass - Quick-Coupling Pin For Torch Oxy/Argon | P4-TQPO

15% off

Industrial Shed

Weldclass - Quick-Coupling Pin for Torch Oxy/Argon | P4-TQPO

Weldclass - Brazing Rods Nickel Bronze Flux-Coated 2.4mm Pk10 | P2-FRNS24F/10

26% off

Industrial Shed

Weldclass - Brazing Rods Nickel Bronze Flux-Coated 2.4mm Pk10 | P2-Frns24f/10

Weldclass - Quick-Coupling Pin For Torch Acet/LPG | P4-TQPF

Industrial Shed

Weldclass - Quick-Coupling Pin for Torch Acet/LPG | P4-TQPF

Industrial Shed

Weldtronic - 8m Foot Pedal Lead 8 Pin Cigweld | RFC.ERCP6

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line HP) Black | ML-96963

Industrial Shed

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line Hp) Black | ML-96963

Weldclass - Hose Bulk Twin Oxy/LPG 5mm ID Per M | 4-TWLP5

Industrial Shed

Weldclass - Hose Bulk Twin Oxy/LPG 5mm ID per M | 4-TWLP5

Weldclass - Wire Brush Cup Twist-Knot 92mm Opti-5 M14x2 Stainless-Steel | WC-06463

Industrial Shed

Weldclass - Wire Brush Cup Twist-Knot 92mm Opti-5 M14x2 Stainless-Steel | WC-06463

Maxisafe - Maxisafe 3-Panel Flat Fold Respirator With Valve, Box Of 20 | RES510

20% off

Industrial Shed

Maxisafe - Maxisafe 3-Panel Flat Fold Respirator With Valve, Box Of 20 | RES510

Weldclass - Wire Hardfacing PLATINUM SD-980 (Solid) 1.2mm 4.5kg | WC-03764

29% off

Industrial Shed

Weldclass - Wire Hardfacing Platinum SD-980 (Solid) 1.2mm 4.5kg | WC-03764

Industrial Shed

Pacific Gas - Pacshield 5/2 Exchange/Refill G Size

Weldclass - Marker Paint Valve-Action Carded White (096800) | P6-PMW

29% off

Industrial Shed

Weldclass - Marker Paint Valve-Action Carded White (096800) | P6-PMW

Weldclass - Wire Gasless PLATINUM GL-11 0.9mm 4.5kg | 2-098FM

Industrial Shed

Weldclass - Wire Gasless Platinum GL-11 0.9mm 4.5kg | 2-098FM

Tuffgard Vented Hard Hat with Ratchet Harness and Poly Lamp Bracket | HTG57RH-PLV-W

23% off

Industrial Shed

Maxisafe - Tuffgard Vented Hard Hat With Ratchet Harness And Poly Lamp Bracket | HTG57RH-PLV-W

Weldclass - Flap Disc PROMAX 115mm Z080 Grit (100% Zirconia) | TO-5016

14% off

Industrial Shed

Weldclass - Flap Disc Promax 115mm Z080 Grit (100% Zirconia) | TO-5016

Weldclass - Quick-Coupling Set For Torch Acet/LPG | P4-TQCF

Industrial Shed

Weldclass - Quick-Coupling Set for Torch Acet/LPG | P4-TQCF

Weldclass - Hose Kit Argon/CO2/Inert (Black) 4m + Fittings Suit most MIG/TIG Welders | WC-03338

Industrial Shed

Weldclass - Hose Kit Argon/CO2/Inert (Black) 4m + Fittings Suit Most Mig/tig Welders | WC-03338

Weldclass - Marker Pencil Red-Riter Markal | ML-96100

Industrial Shed

Weldclass - Marker Pencil Red-Riter Markal | ML-96100

(1)

Industrial Shed

Weldtronic - 100mm Magnetic Welding Holder. 45°.90°.135°/22kg | WMPH100

Weldclass - Engineers Chalk Holder / Dispenser Suit 125x12x5mm Chalk | P6-ECD

Industrial Shed

Weldclass - Engineers Chalk Holder / Dispenser Suit 125x12x5mm Chalk | P6-ECD

38% off

Industrial Shed

SP Tools - 10 x 20mm Cutting Tools Burr Cylinder Aluminium. | SP31350A

Industrial Shed

888 Tools - Air Tool - Brush 7Pcs Kit | SX-05

Weldclass - Wire Gasless E71T-11 0.8mm 0.9kg | P2-084FM

Industrial Shed

Weldclass - Wire Gasless E71T-11 0.8mm 0.9kg | P2-084FM

Weldclass - Flap Disc PROMAX 100mm Z060 Grit (100% Zirconia) | TO-5004

Industrial Shed

Weldclass - Flap Disc Promax 100mm Z060 Grit (100% Zirconia) | TO-5004

Industrial Shed

Weldtronic - TIG Pen | TP1550

Maxisafe - Maxisafe Brow Guard & Shade 5 Visor Complete Retail Packaged | EBF487a

21% off

Industrial Shed

Maxisafe - Brow Guard & Shade 5 Visor Complete Retail Packaged | EBF487a

Weldclass - Marker Paint Valve-Action Carded Yellow (096801) | P6-PMY

Industrial Shed

Weldclass - Marker Paint Valve-Action Carded Yellow (096801) | P6-PMY

Weldclass - Lens Cassette / Auto Darkening Filter (ADF) PROMAX 200 (Also Suits PROMAX 180) | WC-05327

Industrial Shed

Weldclass - Lens Cassette / Auto Darkening Filter (Adf) Promax 200 (Also Suits Promax 180) | WC-05327

Maxisafe - Maxiguard Silicone Full Face Mask - Large | R690-L

23% off

Industrial Shed

Maxisafe - Maxiguard Silicone Full Face Mask - Large | R690-L

Weldclass - Headgear Suit PROMAX 600/650/680 Helmets | WC-05353

Industrial Shed

Weldclass - Headgear Suit Promax 600/650/680 Helmets | WC-05353

Weld Dr

Weld Dr

Weld Dr

4.7

(12)

Weldclass - Torch LPG PLATINUM LT40 "Handyflame" Kit - 600mm Torch With Bottle Adaptor & 2.5M Hose | WC-02988

Industrial Shed

Weldclass - Torch Lpg Platinum LT40 "Handyflame" Kit - 600mm Torch with Bottle Adaptor & 2.5m Hose | WC-02988

Weldclass - Torch LPG PLATINUM LT40 "Maxflame" Kit - 1000mm Torch With Bottle Adaptor & 3M Hose | WC-02989

Industrial Shed

Weldclass - Torch Lpg Platinum LT40 "Maxflame" Kit - 1000mm Torch with Bottle Adaptor & 3m Hose | WC-02989

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line HP) White | ML-96960

13% off

Industrial Shed

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line Hp) White | ML-96960

(1)

Weldclass - Plasma Parts Kit With Storage Box XTP40/60 | WC-01658

18% off

Industrial Shed

Weldclass - Plasma Parts Kit with Storage Box Xtp40/60 | WC-01658

Weldclass - Wrap-A-Round Pipe Wrap #164B Med Jackson Curv-O-Mark | KC-J1858

Industrial Shed

Weldclass - Wrap-A-Round Pipe Wrap #164b Med Jackson Curv-O-Mark | KC-J1858

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line HP) Blue | ML-96965

Industrial Shed

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line Hp) Blue | ML-96965

Industrial Shed

Weldtronic - TM Headgear Assembly Freflow V3 | WHFFV3.A10

Industrial Shed

Weldtronic - TM Freeflow V3 Pre Filter Pack of 5 | WHFFV3.B4

Weldclass - Lens Retainer Frame & Hook/Latch Suit PROMAX 180/200/350 Helmets | WC-05330

Industrial Shed

Weldclass - Lens Retainer Frame & Hook/Latch Suit Promax 180/200/350 Helmets | WC-05330

Weldclass - Cutting Attachment O-Ring Kit | P4-CAOK

Industrial Shed

Weldclass - Cutting Attachment O-Ring Kit | P4-CAOK

Weldclass - Marker Silver Streak Refills pk6 (96007) Markal | P6-SSR

37% off

Industrial Shed

Weldclass - Marker Silver Streak Refills Pk6 (96007) Markal | P6-SSR

Weldclass - Welding Helmet PROMAX 350 Blue | WC-05313

Industrial Shed

Weldclass - Welding Helmet Promax 350 Blue | WC-05313

Weldclass - Contour Pipe Marker Standard #1 Jackson Curv-O-Mark | KC-J1874

Industrial Shed

Weldclass - Contour Pipe Marker Standard #1 Jackson Curv-O-Mark | KC-J1874

Weldclass - Quick-Coupling Set For Regulator Acet/LPG | P4-RQCF

Industrial Shed

Weldclass - Quick-Coupling Set for Regulator Acet/LPG | P4-RQCF

Weldclass - Screw-On Connector Suit 5mm ID Hose 5/8" LH (Acetylene, LPG) | 4-LP240

Industrial Shed

Weldclass - Screw-On Connector Suit 5mm ID Hose 5/8" LH (Acetylene. Lpg) | 4-LP240

Industrial Shed

Weldtronic - Foot Pedal Lead 8m 9 Pin Powercraft/Weldclass | RFC.SP2110P9

Weldclass - Lens Auto-Darkening PROMAX 100 108x51mm Shade 11 (suit standard flip-front helmets) | WC-04094

Industrial Shed

Weldclass - Lens Auto-Darkening Promax 100 108x51mm Shade 11 (Suit Standard Flip-Front Helmets) | WC-04094

Weldclass - Marker Paintstik B (GP) White Markal | ML-80220

Industrial Shed

Weldclass - Marker Paintstik B (Gp) White Markal | ML-80220

Industrial Shed

Weldtronic - TM Face Seal Freflow V3 | WHFFV3.A9

Weldclass - Marker Paint-Riter Valve-Action Pink | ML-96830

Industrial Shed

Weldclass - Marker Paint-Riter Valve-Action Pink | ML-96830

Max Voltage Store

4.8

(1.2K)

Weldclass - Wrap-A-Round Pipe Wrap #177B XL Jackson Curv-O-Mark | KC-J1860

18% off

Industrial Shed

Weldclass - Wrap-A-Round Pipe Wrap #177b XL Jackson Curv-O-Mark | KC-J1860

Weldclass - Lens Clear Outer 137x117mm Suit PROMAX 500 Pk10 | WC-05324

Industrial Shed

Weldclass - Lens Clear Outer 137x117mm Suit Promax 500 Pk10 | WC-05324

Weldclass - Air Filter PLATINUM Z-20 Suit Plasma Machines | WC-06255

7% off

Industrial Shed

Weldclass - Air Filter Platinum Z-20 Suit Plasma Machines | WC-06255

Industrial Shed

Weldtronic - TM Sweatband 615S/735S/800S/820S Pack of 2 (Old Series) | WH820.14

Weldclass - Wire MIG Aluminium PROMAX 5356 1.0mm 2.0kg | 2-MW535608/10

12% off

Industrial Shed

Weldclass - Wire MIG Aluminium Promax 5356 1.0mm 2kg | 2-MW535608/10

Industrial Shed

Weldtronic - TM Pivot Headgear Assembly 950S | WH1000.A10

Industrial Shed

Weldtronic - TM Freeflow V3 Patrical Filter P3 | WHFFV3.B3

Weldclass - Hose Bulk Single Oxy/Argon 5mm ID Per M | 4-SOX5

Industrial Shed

Weldclass - Hose Bulk Single Oxy/Argon 5mm ID per M | 4-SOX5

Weldclass - Wire Brush Cup Twist-Knot 120mm M14x2 Mild-Steel | WC-06464

8% off

Industrial Shed

Weldclass - Wire Brush Cup Twist-Knot 120mm M14x2 Mild-Steel | WC-06464

Maxisafe - Maxiguard Silicone Full Face Mask - Medium | R680-M

23% off

Industrial Shed

Maxisafe - Maxiguard Silicone Full Face Mask - Medium | R680-M

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line HP) Red | ML-96962

Industrial Shed

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line Hp) Red | ML-96962

Weldclass - Marker Pencil Silver-Streak Markal | ML-96101

Industrial Shed

Weldclass - Marker Pencil Silver-Streak Markal | ML-96101

Weldclass - Insulator Set Suit PROMAX K4 Gouging Torch 1Pr | 6-K4INS

Industrial Shed

Weldclass - Insulator Set Suit Promax K4 Gouging Torch 1Pr | 6-K4INS

Weldclass - Hood PROMAX HS Blue FR Attaches To Welding Helmet | WC-05456

Industrial Shed

Weldclass - Hood Promax HS Blue FR Attaches to Welding Helmet | WC-05456

18% off

Industrial Shed

SP Tools - 3 x 100mm Engine Service Hone Leg | SP63038

Weldclass - Marker Silver Streak Pen (96006) Markal | P6-SSP

Industrial Shed

Weldclass - Marker Silver Streak Pen (96006) Markal | P6-SSP

(1)

17% off

Arccaptain Welder

Argon Regulators Gauges Gas Welding CGA580 Inlet Connection with Hose

(3)

Weldclass - Brazing Rods Silver 45% Flux-Coated 1.6mm Pk5 | P2-SB4516F/5

Industrial Shed

Weldclass - Brazing Rods Silver 45% Flux-Coated 1.6mm Pk5 | P2-Sb4516f/5

Weldclass - Flap Disc PROMAX 100mm Z120 Grit (100% Zirconia) | TO-5008

Industrial Shed

Weldclass - Flap Disc Promax 100mm Z120 Grit (100% Zirconia) | TO-5008

Weldclass - Lens Cassette / Auto Darkening Filter (ADF) PROMAX 350 | WC-05328

Industrial Shed

Weldclass - Lens Cassette / Auto Darkening Filter (Adf) Promax 350 | WC-05328

Weldclass - Wire Gasless E71T-11 0.9mm 0.9kg | P2-094FM

Industrial Shed

Weldclass - Wire Gasless E71T-11 0.9mm 0.9kg | P2-094FM

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line HP) Yellow | ML-96961

Industrial Shed

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line Hp) Yellow | ML-96961

(1)

Weldclass - Lens Clear Outer Suit Speedglas 100 Pk10 | P7-CLSG1/10

Industrial Shed

Weldclass - Lens Clear Outer Suit Speedglas 100 Pk10 | P7-Clsg1/10

Weldclass - Drive Roller D30x10xW10 (Keyed Centre) V0.6/0.8 Suit 180MST, 200MST | WC-06220

Industrial Shed

Weldclass - Drive Roller D30x10xW10 (Keyed Centre) V0.6/0.8 Suit 180MST. 200MST | WC-06220

Weldclass - Wrap-A-Round Pipe Wrap #176B Large Jackson Curv-O-Mark | KC-J1859

Industrial Shed

Weldclass - Wrap-A-Round Pipe Wrap #176b Large Jackson Curv-O-Mark | KC-J1859

Weldclass - Flint Lighter Triple | P4-TFL

Industrial Shed

Weldclass - Flint Lighter Triple | P4-TFL

Weldclass - Marker Paintstik B (GP) Yellow Markal | ML-80221

Industrial Shed

Weldclass - Marker Paintstik B (Gp) Yellow Markal | ML-80221

Maxisafe Maxiguard Half Mask Silicone Painters Kit w/ A1P2 Cartridges (Boxed Kit) | R7500PK Small

22% off

Industrial Shed

Maxisafe - Maxiguard Half Mask Silicone Painters Kit With A1P2 Cartridges (Boxed Kit) - Large | R7500PK-L

Maxisafe - Maxiguard Abek Multi-Gas & Particulate Filter P3 | R703-ABEK1P3

21% off

Industrial Shed

Maxisafe - Maxiguard ABEK Multi-Gas & Particulate Filter P3 | R703-ABEK1P3

Maxisafe - Maxiguard Abek1 Chemical Cartridge With P2 Prefilter Combination – Pack 1 Pair | R703-ABEK1P2

23% off

Industrial Shed

Maxisafe - Maxiguard Abek1 Chemical Cartridge With P2 Prefilter Combination – Pack 1 Pair | R703-ABEK1P2

Weldclass - Flint Renewals Single Pk10 | P4-SFR

10% off

Industrial Shed

Weldclass - Flint Renewals Single Pk10 | P4-SFR

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line HP) Green | ML-96966

Industrial Shed

Weldclass - Marker Paint-Riter+ (Formerly Pro-Line Hp) Green | ML-96966

17% off

Industrial Shed

Bordo - Aluminium Handle Pencil Deburrer With Se10 Blade | 6411-A12SWS

Maxisafe - Maxisafe Oxy Welding Goggles | EDG440

21% off

Industrial Shed

Maxisafe - Oxy Welding Goggles | EDG440