Threadlockers | McMaster-Carr

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Military Specification

MIL-A-46050

MIL-A-46050 Type I Class 1

MIL-A-46050 Type I Class 2

MIL-A-46050 Type II Class 1

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MIL-A-46050 Type II Class 3

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521 Products

Threadlockers

Flow easily into threads to cover fasteners evenly

63 products

Threadlockers for Plastic Fasteners

Won’t weaken plastic fasteners like other threadlockers can

1 product

High-Temperature Threadlockers

Keep fasteners joined at temperatures as high as 450° F

13 products

Extreme-Temperature Threadlockers

Flow easily into threads to cover fasteners evenly

3 products

Threadlockers for Drinking Water

Meet NSF/ANSI 61 for securing fasteners in drinking water systems

3 products

Lubricating Threadlockers

Reduce friction to protect threads and ease installation

1 product

High-Purity Threadlockers

Create the best bond with reactive metals, such as titanium

1 product

Quick-Set Threadlockers

Harden for use within an hour, no primer required

3 products

Paste Threadlockers

No drips, even from parts installed vertically or overhead

5 products

High-Temperature Paste Threadlockers

Keep fasteners joined at temperatures as high as 650° F
No drips, even from parts installed vertically or overhead

2 products

Gel Threadlockers

Cling to fasteners for slower flow and less mess than liquids

3 products

Reusable Threadlockers

No need to apply every time you remove and reinstall fasteners

3 products

Tape Threadlockers

Wrap around fasteners with no mess

1 product

Wicking Threadlockers

Secure fasteners that are already installed

9 products

High-Temperature Wicking Threadlockers

Keep fasteners joined at temperatures as high as 450° F
Secure fasteners that are already installed

1 product

Other Products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

179 products

Retaining Compounds

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

43 products

Adhesives

Bond surfaces together

169 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

13 products

Threadlocker and Retaining Compound Dispensers

Screw onto bottles of threadlocker or retaining compound to control the flow and reduce waste

2 products