Fastener Sealants | McMaster-Carr

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643 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

Caulk Guns

Cartridge, sausage-pack, and bulk-load caulk guns

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

Caulk Gun Nozzles

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

Sealant Primers

Sealant Primers

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

Caulk Gun Sleeves

Caulk Gun Sleeves

Insulate your caulk gun so contents remain easy to dispense, even in cold weather

Backer Rod Insertion Tools

Backer Rod Insertion Tools

Quickly set foam backer rods in caulk joints at a consistent depth without puncturing them

Gasket Makers

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

Fastening and Joining

Threadlockers

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

Adhesives

Bond surfaces together

Retaining Compounds

Retaining Compounds

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

Facility and Grounds Maintenance

Sealant Removers

Sealant Removers

Clean sealant and caulk off tools and other surfaces

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