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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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

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Description

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

BUILT TO ENDURE - Resistant to temperatures up to 140°F, ensuring durability in extreme automotive environments.
FAST TRACK YOUR FIX - Starts setting in just 10 minutes so you can keep your project moving without delay.
HEAT ACTIVATED RELEASE - Engineered for heavy shock and vibration, yet easily removable with localized heat when needed.
UNBREAKABLE METAL BOND - Secures all metals including stainless steel & aluminum with superior oil tolerance for lasting strength.
VERSATILE INDUSTRIAL POWER - Ideal for air tool assemblies and fasteners up to 1 inch—perfect for cylinder blocks, ring gears, and transmissions.

LOCTITE 263 Automotive Threadlocker Red is a professional-grade, high-strength adhesive gel designed for demanding automotive and industrial applications. It bonds effectively to all metals, tolerates oil contamination, sets quickly within 10 minutes, and fully cures in 24 hours. Heat-removable and temperature resistant up to 140°F, it secures fasteners up to 1 inch, making it the trusted choice for heavy shock, vibration, and chemical exposure environments.

Specifications

ASIN	B07FMP2TBK
Best Sellers Rank	#7,537 in Automotive ( See Top 100 in Automotive ) #29 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 (609)
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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₹ 1357

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered 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 India.

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TrustScore 4.5 | 7,300+ reviews

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