Sealants For Iron | McMaster-Carr

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1,373 Products

Sealing

Sealants

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

185 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

154 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

12 products

Fastening and Joining

Instant-Bond Adhesives

Also known as super glue, these adhesives begin to harden in under two minutes

149 products

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

170 products

Threadlockers

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

166 products

Adhesive and Sealant Assortments

A collection of adhesives for routine maintenance and quick repairs

1 product

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

25 products

Glue

The first choice for everyday bonding and repairs

12 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

16 products

Retaining Compounds

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

80 products

Hot Glue

Melt for rapid bonds in a range of applications, from packaging to woodworking

5 products

Construction Adhesives

Join a wide range of construction materials, from drywall to carpeting

6 products

Mounting Adhesives

Mount objects with a range of adhesives, including glue-on-a-roll and glue shapes

23 products

Repair and Duct Tape

Permanently join or seal surfaces

2 products

Facility and Grounds Maintenance

Protective Coatings

Shield surfaces from the surrounding environment

100 products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

55 products

Paint

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

32 products

Touch-Up Paint Pens

Cover scratches in paint and coatings

4 products

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

27 products

Protective Coating Primers

Prepare metal surfaces for powder coating

2 products

Surface-Preparation Cleaners

Clean and degrease surfaces so paint, coatings, adhesives, and cement will stick

3 products

Sealant Removers

Clean sealant and caulk off tools and other surfaces

1 product

Roof Coatings

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

6 products

Fabricating and Machining

Zinc-Plating Kits

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

3 products

Blackener Kits

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

11 products

Electrical

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

5 products

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