Why is this labeled as a primerless thread locker? Literally the first step on the package instructions is to prep your surface with a primer.

Loctite 263 is actually primerless on most metals. This is an automotive aftermarket package, and there is a Klean 'n' Primer product sold that is usually suggested for all anaerobic products. You can just clean the parts with alcohol or acetone. No primer is required. If you need further assistance, please contact the LOCTITE Technical team at 1-800-LOCTITE

Does Loctite 263 have a limited shelf life?

Yes, Loctite 263 threadlocker has a limited shelf life of 730 days from the date of manufacture. This means that it is important to check the expiration date on the product before using it. If the product is expired, it may not perform as expected.

Approximately how many 1/4" studs can be set with the 6m tube?

For small threads, we typically recommend applying 1 big drop (or 2 drops small/medium drop max) to the male threads at the engaging area, vs the female thread in the hole in a blind. The idea is to ensure a good coverage in the engaging/mating area of the nut and bolt. For 1/4" bolt, I estimate 200 bolts with a 6ml tube, of a manual application from the bottle.

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LOCTITE 263 Automotive Threadlocker Red – High Strength Thread Lock, General Purpose Applications, Oil Tolerant, Fluorescent - 6 ml, 1 Pack

Product ID: 127349547

Details

Brand
Loctite
Item Form
Gel
Material
Acrylic Steel
Special Feature
Strong
Specific Uses For Product
Automotive

🔥Heat-removable design

🔩High-strength metal adhesion

⏱️Quick 10-min initial set

€ 15.80

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Description

🔧 Lock it down, heat it up, and never look back!

BUILT FOR EXTREMES - Withstands heavy shock, vibration, chemicals, and temperatures up to 140°F for rugged reliability.
FAST TRACK YOUR FIX - Starts setting in just 10 minutes so you can keep your project moving without delay.
UNBREAKABLE METAL BOND - Secures stainless steel, aluminum & plated surfaces with superior oil tolerance for lasting strength.
HEAT RELEASE TECHNOLOGY - Easily removable with localized heat and simple hand tools—no hassle when maintenance calls.
VERSATILE PRO GRADE USE - Perfect for air tool assemblies and fasteners up to 1 inch, trusted by automotive pros worldwide.

LOCTITE 263 Automotive Threadlocker Red is a professional-grade, high-strength adhesive gel designed for heavy-duty automotive and industrial applications. It bonds effectively to all metals including stainless steel and aluminum, tolerates oil contamination, and sets quickly within 10 minutes. Engineered to resist shock, vibration, and chemicals, it remains durable up to 140°F and can be removed with heat when needed. Ideal for securing fasteners up to 1 inch, this trusted formula ensures reliable, long-lasting performance in demanding environments.

Specifications

ASIN	B07FMP2TBK
Best Sellers Rank	#3,954 in Automotive ( See Top 100 in Automotive ) #17 in Thread Lock Sealers
Brand Name	Loctite
Color	Red
Compatible Material	Aluminum, Stainless Steel
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (628)
Full Cure Time	24 hours
Global Trade Identification Number	00079340011649
Included Components	(1) Threadlocker 263 Surface Insensitive-High Strength Tube, Red, 6-ml
Item Form	Gel
Item Package Quantity	1
Item Type Name	automotive-thread-lock-sealers
Item Weight	0.27 g
Manufacturer	Loctite
Material Type	Acrylic,Aluminum,Stainless Steel
Model	2205310
Number of Pieces	1
Other Special Features of the Product	Strong
Part Number	2203451
Specific Uses For Product	Automotive
UPC	079340011649
Viscosity Level	Low
Volume	6 ml
Water Resistance Level	Not Water Resistant

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€ 15.80

Duties & taxes included

In stock

Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Finland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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