Steel Sealers | McMaster-Carr

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1,001 Products

Sealing

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

Thread Sealants

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

Sealant Primers

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

Gasket Sealants

Gasket Sealants

Seal gaskets on metal parts

Facility and Grounds Maintenance

Protective Coatings

Protective Coatings

Shield surfaces from the surrounding environment

Surface Fillers

Surface Fillers

Repair chips, cracks, and tears in various surfaces

Paint

Renew, enhance, protect, and change the color of surfaces

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

Touch-Up Paint Pens

Touch-Up Paint Pens

Cover scratches in paint and coatings

Protective Coating Primers

Protective Coating Primers

Prepare metal surfaces for powder coating

Roof Coatings

Form a water-resistant layer to restore and reinforce your roof

Sealant Removers

Sealant Removers

Clean sealant and caulk off tools and other surfaces

Fastening and Joining

Adhesives

Bond surfaces together

Threadlockers

Coat threads on threaded fasteners to prevent loosening from impact and vibration

Retaining Compounds

Retaining Compounds

Fill gaps to bond shafts, bearings, press-fit assemblies, and other cylindrical metal parts

Magnet-Receptive Sheets

Magnet-Receptive Sheets

Cut with scissors to form custom nonmetallic, nonmagnetic surfaces that magnets will stick to

Electrical

Conformal Coatings

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

Potting Compounds

Potting Compounds

Encase electronic assemblies in material that hardens to protect from dust, moisture, and vibration

Solder Mask

Temporarily shield circuit boards from solder, flux, and high temperatures

Fabricating and Machining

Blackener Kits

Create a flat, black protective finish on metal tools to resist corrosion and reduce glare

Zinc-Plating Kits

Zinc-Plating Kits

Create your own zinc-plating system to add corrosion resistance to steel and iron parts

Raw Materials

Pigments and Dyes

Pigments and Dyes

Add color to liquids, mixtures, and materials

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)