Threadlockers

Permatex High Strength Threadlocker Red

$49.45$49.46· 36 mL bottle

Available in 2 sizes — choose yours below

Part no. PX-27140 · Permatex part no. 27140 · price in CAD

Special order — not on our shelf. Order it and we bring it in, then call you with timing. Shipping AB/SK/MB $30 · ON/QC $40 · NT $50 (base FREE over $150).

100% genuine. 100% genuine Permatex, from authorized North American distribution.

A high-strength liquid threadlocker for heavy-duty fasteners from 3/8 in. to 1 in. (10 mm to 25 mm), such as cylinder block studs, ring gear bolts and frame bolts. It locks against vibration loosening and is meant to be permanent: cured parts must be heated to 260°C (500°F) before they will separate. For metal parts only; it is not recommended for plastics.

Permatex High-Strength Threadlocker Red is ideal for heavy-duty applications 3/8″ to 1″ (10mm to 25mm) Red threadlocker is well-suited for permanently locking studs and press fits. Threadlocker RED adds 3,000 PSI holding power on slip and press fit assemblies, and replaces set screws and snap rings. Permatex’s Threadlocker Red locks against vibration loosening. May require heat or special tools for removal.

✓High strength threadlocker for heavy-duty applications 3/8" to 1" (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
✓Locks against vibration loosening
✓May require heat or special tools for removal

Choose a size

30-day returns · Secure Stripe checkout · 100% genuine · (780) 482-2424

⚠ Safety warnings

NOTE: High Strength Threadlocker works on metal parts. It is not recommended for plastics.
Cured High Strength Threadlocker must be heated to 500°F (260°C) before parts will separate.
This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials.
SDS: Danger. Causes skin irritation. Causes serious eye irritation. May cause cancer. May cause damage to organs through prolonged or repeated exposure.
SDS: Contains CUMENE HYDROPEROXIDE; CUMENE
California Proposition 65: WARNING Cancer.

Safety data sheet (SDS) →

Specifications & Approvals

Chemical Type: Anaerobic Dimethacrylate Ester, Appearance: Opaque Red Fluorescent Liquid, Specific Gravity, g/ml: 1.10, Viscosity @ 25C, mPas (cP): 400 to 600, Flash Point (TCC), C (F): >93 (>200), Excellent chemical resistance with a temperature resistance range of -54C to 150C (-65F to 300F). OEM Specified, Breakaway Torque, Nm, (in.lbs): 28 (250); Prevail Torque, Nm (in.lbs): 28 (250) (After 24 hr at 72F on 3/8-16 steel Grade 8 Nuts and Grade 5 bolts), A 3/8-16 steel nut and bolt assembly will fixture in 5 minutes using a primer, while fixturing will occur in 20 minutes without a primer. Full cure in 24 hours for both procedures, Full cure is attainable in 24 hours at room temperature, 22C (72F), or 1 hour at 93C (200F), Cured High Strength Threadlocker must be heated to 500°F (260°C) before parts will separate

Recommended for vehicles requiring

Cylinder block and rocker arm studs, Ring gear bolts, Fan hub bolts, Frame bolts, Shock absorber bolts

Treat rate

Heavy-duty applications 3/8″ to 1″ (10mm to 25mm). For Thru Holes, apply several drops of product onto the bolt at the nut engagement area. For Blind Holes, apply several drops down female threads into the bottom of the hole.

Common questions

Is this genuine Permatex High Strength Threadlocker Red?

Yes. 100% genuine Permatex, from authorized North American distribution. Everything we sell is genuine product — never grey-market.

Can I get it shipped or pick it up in Edmonton?

Both. Choose ship-to-me for delivery (AB/SK/MB $30 · ON/QC $40 · NT $50, base rate free over $150), or select pickup at checkout and collect it at our Edmonton shop.

Not sure this is the right threadlockers for your vehicle?

Check your owner's manual for the required specification or call our Edmonton team at (780) 482-2424 and we'll match the right product to your vehicle.