US Part Number: 27100
Canada Part Number: 26207

Permatex® High Strength Threadlocker RED


OEM specified. High strength threadlocker for heavy-duty applications 3/8 inch to 1 inch (10mm to 25mm). Especially well-suited for permanently locking studs and press fits. Adds 3,000 PSI holding power on slip and press fit assemblies. Replaces set screws and snap rings. Locks against vibration loosening. May require heat or special tools for removal. Conforms to ASTM D5363 AN0221 (Mil-S- 46163A, Type I, Grade K).


Suggested Applications: Headlight screws, console assemblies, soundproofing, attachment screws, electrical component boxes, plastic knobs, hose fasteners, dashboard accessories, etc.


Suggested Applications: All engine mounting bolts

Heavy Duty

Suggested Applications: Air starter fasteners, suspension fasteners, shock absorber mounts, wheel studs, exhaust system mounts, bumper fasteners


Suggested Applications: Cylinder block studs, ring gear bolts, frame bolts, shock bolts

US Item # CDN Item # Container Size Case
27100262076 ml tube, carded 12
271102711010 ml bottle, carded 12
271402621010 ml bottle, carded 12
271502715050 ml bottle 6
271832712590 ml bottle 6
19968N/A.5 ml pipette, polybagged (24 pieces / 20 bags) 480
US Item # Tech Doc File
27100 SDS  Canada part # SDS
27110 TDS  SDS  Canada part # SDS
27140 SDS  Canada part # SDS
27150 TDS  SDS  Canada part # SDS
27183 SDS  Canada part # SDS
19968 SDS  


  1. Clean and dry parts using Permatex® Surface Prep™ activator, Item# 24163
  2. Shake tube ofHigh Strength Threadlocker well before each use.
  3. Remove cap and snip nozzle tip.
  4. Apply to threadedareas and assemble parts. Refer to Technical Data Sheet for complete information.

NOTE: Threadlocker works on metal parts. It is not recommended for plastics. Cured product must be heatedto 500°F (260°C) before parts will separate.

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