Iron Sealers | McMaster-Carr

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DFARS Specialty Metals

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801 Products

Sealing

Sealants

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

176 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

149 products

Sealant Primers

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

5 products

Gasket Makers

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

59 products

Gasket Sealants

Seal gaskets on metal parts

7 products

Facility and Grounds Maintenance

Protective Coatings

Shield surfaces from the surrounding environment

87 products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

25 products

Paint

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

28 products

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

27 products

Touch-Up Paint Pens

Cover scratches in paint and coatings

4 products

Protective Coating Primers

Prepare metal surfaces for powder coating

2 products

Roof Coatings

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

6 products

Sealant Removers

Clean sealant and caulk off tools and other surfaces

1 product

Fastening and Joining

Adhesives

Bond surfaces together

15 products

Threadlockers

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

110 products

Retaining Compounds

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

43 products

Fabricating and Machining

Blackener Kits

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

5 products

Zinc-Plating Kits

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

3 products

Electrical

Potting Compounds

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

7 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

3 products

Raw Materials

Pigments and Dyes

Add color to liquids, mixtures, and materials

2 products