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• Welding Consumables
  • MIG Welding Wires
    • Mild Steel Wire
    • Stainless Steel Wire
    • Low Alloy Wire
    • Flux Cored Wire
    • Flux Cored Seamless Wire
    • Flux Cored Self Shielded Wire
    • Flux Cored Stainless Steel Wires
    • Flux Cored Duplex Wire
    • Aluminium Wire
    • Metal Cored Wire
    • Metal Cored Seamless Wire
    • Silicon Bronze Wire
  • TIG Welding Rods
    • Mild Steel Rods
    • Stainless Steel Rods
    • Stainless Steel Flux Core Rods
    • Low Alloy Rods
    • Aluminium Rods
    • Duplex & Super Duplex Rods
    • Bronze Filler Rods
    • Nickel Alloy
  • Welding Electrodes
    • General Purpose Electrodes
    • Low Hydrogen Electrodes
    • Low Alloy Electrodes
    • Stainless Steel Electrodes
    • Cellulose Electrodes
    • Iron Powder Electrodes
    • Cast Iron Electrodes
  • Gouging Carbons
  • Hardfacing Wires
    • Abrasion Wires
    • Impact Wires
    • Work Hardening Wires
    • Tungsten Carbide Wires
    • Thermal Spray Wires
    • Hardfacing Electrodes
  • Sub Arc Wires
    • Sub Arc Wire
    • Sub Arc Flux
  • Brazing Rods
    • Aluminium Brazing Rods
    • Silver Brazing Rods
    • Soldering
  • Fluxes
• Welding Torches & Torch Spares
  • MIG Torches
    • Sumig MIG Torches
    • ATTC Lightning MIG Torches
    • Bernard MIG Torches - Genuine®
    • Binzel MIG Torches - Genuine®
    • BND Style MIG Torches
    • BZL Style MIG Torches
    • Lincoln Electric MIG Torches
    • Profax MIG Torches
    • Translas MIG Torches
    • TW Style MIG Torches
    • Unimig MIG Torches
  • MIG Torch Spares
    • ATTC Lightning Spares
    • BND Style Spares (Bernard)
    • BZL Style Spares (Binzel)
    • Genuine Bernard Spares
    • Genuine Binzel Spares
    • Kemppi Style Spares
    • Lincoln Electric & Profax Spares
    • Sumig Spares
    • Translas Spares
    • TW Style Spares (Tweco)
    • Unimig Spares
  • TIG Torches
    • Genuine Binzel TIG Torches
    • Kemppi TIG Torches
    • Linde Style TIG Torches
    • Unimig TIG Torches
  • TIG Torch Spares
    • Champagne Nozzle Kits
    • Combination Nozzle Kits
    • Quartz TIG Spares
    • Three Piece TIG Torch Spares
    • Unimig TIG Torch Spares
    • WP9 & WP20 TIG Torch Spares
    • WP17, WP18 & WP26 TIG Torch Spares
    • WP24 TIG Torch Spares
  • Plasma Torches
    • Hypertherm Extended Length Torches
    • Hypertherm Hand Torches
    • Hypertherm Machine Torches
    • Hypertherm MaxPro200 Torches
    • Hypertherm Torch Accessories
  • Plasma Consumables & Spares
    • Cebora Plasma Spares
    • Hypertherm Consumables
    • Lincoln Electric Plasma Spares
    • SAF Plasma Spares
    • Tecmo Plasma Spares
    • Thermal Dynamics Plasma Spares
  • Plasma Cutting Guides
    • Plasma Circle Cutting Kits
    • Plasma Cutting Roller Guides
  • Tungsten Welding Electrodes
    • Ceriated Tungsten Electrodes
    • E3 Tungsten Electrodes
    • Lanthanated Tungsten Electrodes
    • Thoriated Tungsten Electrodes
    • Zirconated Tungsten Electrodes
  • Torch Cable Covers
• Welding Machines
  • Machine Combination Packages
  • MIG Welders
    • Weldmax MIG Welders
    • Lincoln Electric MIG Welders
    • Kemppi MIG Welders
  • Multi-Process Welders
    • Weldmax Multi-Process Welders
    • Lincoln Electric Multi-Process Welders
    • Unimig Multi-Process Welders
  • Stick Welders
    • Fronius Stick Welders
    • Kemppi Stick Welders
    • Lincoln Electric Stick Welders
    • Unimig Stick Welders
    • Weldmax Stick Welders
  • TIG Welders
    • Kemppi TIG Welders
    • Lincoln Electric TIG Welders
    • Unimig TIG Welders
    • Weldmax TIG Welders
  • Plasma Cutters & Gouging Machines
    • Hypertherm Plasma Cutters
    • Unimig Plasma Cutters
  • Diesel Welders
  • Wire Feeders
    • Lincoln Electric Wire Feeders
    • Lincoln Electric Wire Feeder Accessories
  • Stud Welders
  • Weld Cleaning Machines
  • Welding Automation
    • Bug-O Automation
    • Lincoln Automation
    • ProArc Headstock-Tailstock Welding Positioners
    • ProArc Turntables
  • Heating Equipment
  • Tungsten Grinders
  • Tungsten Feeders
• Welding Machine Spare Parts & Accessories
  • Alfra
    • Accessories
    • Mag Drill Pins
  • Cougartron
  • Excision
    • Accessories
    • Arbors & Adaptors
    • Clamping Attachments
    • Mag Drill Chucks
    • Mag Drill Pins
    • Tool Holders
  • Fronius
  • Geiger
  • Hypertherm
    • Hypertherm Accessories
  • Kemppi
    • Carry Bags
    • Machine Rollers
  • Koike
    • Koike IK-12 Straight Line Cutter Parts
  • Lincoln Electric
    • Gun Adaptors
    • Machine Rollers
    • Trolleys
  • Neutrix
  • Rex
    • N150A Machines Dies
    • P50AV Machines Dies
    • R50A Machines Dies
    • Replacement Tube Cutter Blades
    • Rex Machine Cutter Wheels
    • Roller Sets
    • S80 Machines Dies
  • Taylor
    • Taylor Stud Welding Guns
    • Taylor Stud Welder Spare Parts
  • Unimig
    • Trolleys
    • Foot Pedals
  • Von Arx
  • Weldmax
    • Machine Rollers
    • Trolleys
• Welding Fume Extraction Equipment
  • Extraction Machines
  • Extraction Fans & Arms
  • Extraction Accessories
  • Extraction Consumables
  • Translas Extraction Unit Spares
• Gas Welding Equipment
  • Gas Cutting Machines
    • Straight Line Cutters
    • Pipe Cutting
    • SMC Pipe Cutter Drivers & Accessories
  • Gas Kits
  • Gas Torches & Attachments
  • Gas Tips & Nozzles
  • Gas Hoses
  • Gas Hose Fittings
  • Gas Regulators & Flowmeters
    • Acetylene Regulators
    • Argon Regulators
    • CO² Regulators
    • LPG Regulators
    • Nitrogen Regulators
    • Oxygen Regulators
    • CO² Heaters
    • Flowmeters
    • Flowmeter + Regulators
    • Regulator Accessories & Spare Parts
  • Flashback Arrestors
  • Hose Reels
  • Heating Equipment
    • Heating Kits
    • Accessories & Spares
  • Gas Equipment Accessories
    • Gas Tools
    • Gas Torch Cutting Guides
    • Welding Flints & Accessories
  • Thermal Lances
    • Lances
    • Lance Handles
    • Lance Kits
    • Lance Accessories & Spares
  • Cylinder Transport & Storage
    • Cylinder Transport
    • Gas Bottle Holders
• Welding Abrasives
  • Abrasive Belts
  • Abrasive Mops
  • Abrasive Papers
    • Emery Cloth
  • Backing Pads
    • Klingspor Backing Pads
    • 3M Back-Up Pads
  • Burrs
  • Clean & Strip Discs
    • Non Woven Clean & Strip Discs
    • Scotch-Brite
  • Cutting & Milling Blades
    • Axxair Cutting Blades
    • Dart Cutting Blades
    • Exactcut Cutting Blades
    • Excision Cutting Blades
    • Kaindl Milling Blades
  • Cutting Wheels
    • Standard Cutting Wheels
    • Chop Saw Wheels
    • Duplex Cutting Wheels
    • Inox Cutting Wheels
    • Non Ferrous Cutting Wheels
    • Thin Cutting Wheels
    • 3M Cubitron Cut-Off Wheels
  • Cut & Grind Wheels
  • Diamond Cutting Wheels
    • Continuous Rim Cutting Wheels
    • Segmented Rim Cutting Wheels
    • Turbo Rim Cutting Wheels
  • Fibre Discs
    • 3M Cubitron Fibre Discs
    • Ceramic
    • Zirconia
  • Flap Discs
    • Cevolution Ceramic Flap Discs
    • Zirconia Flap Discs
    • Premium Zirconia Flap Discs
    • 3M Cubitron 2 Flap Discs
  • Grinding Wheels
    • Standard Grinding
    • Inox Grinding
    • Stone Grinding
    • Flexible Grinding
    • 3M Cubitron Grinding
    • 3M Silver Grinding
  • Mounted Points
    • Pferd Mounted Point - A Shape
    • Pferd Mounted Point - Cylindrical
    • Pferd Mounted Point - Tapered
  • Non Woven Abrasives
    • Non Woven Mop Discs
    • Non Woven Discs
    • Non Woven Backing Pads
    • Non Woven Pads
    • Non Woven Rolls
    • Non Woven Wheels
    • Scotch-Brite Hand Pads
  • Sanding Discs
  • Wire Brushware
• Welding Safety Equipment
  • Welding Helmets
    • 3M Speedglas Welding Helmets
    • Betaweld Welding Helmets
    • Unimig Welding Helmets
    • Weldclass Welding Helmets
    • RPB Welding Helmets
    • Servore Welding Helmets
    • Jackson Welding Helmets
    • Lift Front Welding Helmets
  • Welding Helmet Spares
    • Speedglas Spares
    • Betaweld Spares
    • Cigweld Spare Parts & Accessories
    • Flip Front Helmet Spares
    • Jackson Spares & Accessories
    • Lincoln Electric Spare Parts & Accessories
    • Miller Spares & Accessories
    • RPB Spares
    • Servore Spares
    • Unimig Spare Parts & Accessories
    • Weldclass Spares & Accessories
    • Miscellaneous Helmet Lens
  • Welding Gloves
    • MIG Welding Gloves
    • TIG Welding Gloves
    • Cut Resistant Gloves
    • Glove Savers
    • Heat Resistant Gloves
    • Mechanics Gloves
    • Riggers Gloves
    • Synthetic Coated Gloves
    • Extra Length Welding Gloves
    • TIG Finger
    • Glove Accessories
  • Protective Workwear
    • Welding Jackets
    • Welding Aprons
    • Caps & Hoods
    • Knee Pads
    • Welders Sleeves
    • Welders Spats & Leggings
    • Protective Coveralls
    • Safety Chaps & Welders Leggings
    • Thermic Lancing Protection
  • Welding Blankets
    • Blanket Rolls
    • Coated Blankets
    • Leather Blankets
    • Rack Wrap
  • Welding Screens & Curtains
    • Welding Screens
    • Welding Curtain & Frame Kits
    • Welding Screen Accessories
  • Ear Protection
    • Ear Muffs
    • Ear Plugs
  • Eye Protection
    • Safety Glasses
    • Safety Goggles
    • Cleaning Fluids
    • Lens Wipes
  • Face Protection
  • Hand Protection
    • Disposable Gloves
  • Head Protection
  • Respiratory Protection
    • Disposable Dust Masks
    • Respirators
    • Respirator Kits
    • Replacement Filters
    • Supplied Breathing Air Filtration Systems
  • Sun Protection
    • Sunscreen
  • Hydration Products
    • Drink Supplement
    • Drink Coolers
  • Fire Blankets
  • Prestart Books
  • Safety Signage
    • Medium Metal Signs
    • Large Metal Signs
    • Sign Stands
  • Safety Tags
• Welding Accessories
  • Welding Aids
    • Ceramic Weld Backing Bar
    • Anti-Heat Compounds
    • Calipers & Dividers
    • Cushions
    • Hand Tools
    • Kleener Pads
    • Leveling Wedges
    • Levels
    • Marking
    • Torch Coolants
    • Torches
    • Welding Umbrellas
  • Welding Cables & Leads
    • Welding Cables
    • Welding Leads
    • Cable Connectors
  • Electrical Accessories
    • 240v Extension Leads
    • 415v Extension Leads
    • Braided Leads 10A & 15A
    • Power Boards
  • Welding Clamps
    • Ehoma Clamps
    • Excision Clamps
    • Excision Pliers
    • ITM Pliers
    • StrongHand Clamps
  • Clamp Accessories
    • Welding Magnets
    • V-Pads
    • Extenders
    • StrongHand Replacement Parts
  • Earth Clamps
  • Cleaning
    • Handcleaner
    • Rags
  • Welding Chemicals
    • Anti Spatter
    • Weld Cleaning Products
    • Metal Cleaning Products
    • Lubricants
    • Metal Priming Products
    • Pickling Products
    • Dispensing Accessories
  • Arcair Gouging
    • Arcair Gouging Torches
    • Arcair Gouging Spares
  • Lifting Accessories
    • Lifting Lugs
    • Shackles
  • Manual Arc Accessories
    • Chipping Hammers
    • Electrode Holders
    • Electrode Ovens
    • Rod Guard Canisters
  • Weld Measuring
    • Welding Gauges
    • Test Equipment
    • Tape Measures
    • Temperature Indicators
    • Engineering Squares
    • Steel Rulers
    • Scribers
    • Drawing Templates
  • Weld Testing Products
    • Magnetic Particle Inspection
    • Non Destructive Testing
    • Testing Yokes
  • Wire Brushes
  • Welding Merchandise
• Pipe Welding Equipment
  • Welding Positioners
    • ProArc Welding Positioners
    • ProArc Hydraulic Welding Positioners
    • WAM Welding Positioners
    • Weldhub Welding Positioners
    • ProArc Chucks
  • Welding Rotators
  • Manipulators
  • Pipe Clamps
    • Alignment Clamps
    • Chain Clamps
  • Pipe Marking Tools
    • Centering Heads
    • Flange Pins
    • Pipe Marking Tool Kits
    • Pipe Wrap
  • Pipe Purging Equipment
    • Purge Monitors
    • Purge Systems
    • Purge Seal Accessories & Spares
    • Pipe Purging Plugs
    • Pipe Purge Kits
  • Pipe Stands & Accessories
    • Welding Pipe Stands
    • Welding Pipe Stand Accessories
    • Welding Pipe Feed Through Rollers
  • Welding Tents
• Air & Power Tools
  • Air Tools
    • Air Needle Scalers
    • Cut Off Grinders
    • Pneumatic Die Grinders
  • Power Tools
    • Angle Grinders
    • 240V Die Grinders
• Cutting & Drilling
  • Bandsaws
  • Bandsaw Blades
  • Bandsaw Accessories
  • Coldsaws
  • Core Drills & Accessories
    • Core Drills
    • TCT Core Drills
    • Weldon Shank Twist Drills
  • Drill Bits
    • Countersinks
    • Imperial Drill Bits
    • Metric Drill Bits
    • Step Drills
  • Holesaws
    • HSS Bimetal M42 Fine Holesaws
    • TCT Short Series Holesaws
    • Arbors & Centre Drills
  • Magnetic Base Drills
  • Metal Working Lubricants
    • Coolants
    • Cutting Lubricants
  • Pipe Bevelling
  • Pipe Cutting Equipment
    • Pipe Cutters
    • Pipe Reaming
    • Pipe Tube Cutting
  • Pipe Tee Pulling Kits
  • Pipe Threading Machines
  • Plasma Table Water Additives
  • Punching Machines
• Gift Cards
• Hire
  • Hire Equipment
  • Hire Heating Equipment
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  • Hire a Welding Positioner
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  • Hire a Diesel Welder
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  • Hire Accessories
  • Hire a MIG Welder
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  • Hire a Stud Welder

TD PCH/M-51 O-Ring (Shield Cup)