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 Threadlocker for Automotive: High-Strength, Oil Tolerant, High-Temp, Fluorescent, Anaerobic | Red, 6mL Tube (PN: 2203451)

Product ID: 319115162

Details

Brand
LOCTITE
Item form
Liquid
Material
Acrylic
Special features
Strong
Specific uses for product
Automotive

🔥Heat resistant -65°F to 360°F

🔩High-strength hold up to 1 inch fasteners

🛢️Oil tolerant for contaminated surfaces

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Description

🔧 Lock it down, light it up, never back down!

VERSATILE METAL COMPATIBILITY - Cures reliably on active metals like brass and copper, plus passive surfaces including stainless steel and plated fasteners.
HIGH TEMPERATURE OIL TOLERANCE - Performs flawlessly in extreme temperatures and resists common oils, cutting fluids, and lubricants.
FLUORESCENT FORMULA FOR EASY INSPECTION - Unique red fluorescent color ensures quick visual confirmation of application.
QUICK CURE TIME WITH PRIMERLESS APPLICATION - Achieves full strength in 10 minutes without primer, streamlining your automotive assembly process.
UNMATCHED STRENGTH FOR HEAVY DUTY FASTENERS - Locks and seals threaded fasteners permanently, preventing loosening under shock and vibration.

Loctite 263 Threadlocker is a premium red, fluorescent, high-strength adhesive designed for permanent locking and sealing of metal fasteners up to 1 inch. It excels in automotive and heavy-duty applications with superior oil tolerance and heat resistance from -65°F to 360°F. This primerless, anaerobic formula cures quickly on a wide range of metals, ensuring vibration-proof, leak-resistant joints that professionals trust.

Specifications

ASIN	B07FMP2TBK
Best Sellers Rank	#10,498 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #65 in Hardware Sealers
Brand Name	LOCTITE
Color	red
Compatible Material	Metal
Container Type	Tube
Customer Reviews	4.8 4.8 out of 5 stars (587)
Full Cure Time	10 Minutes
Global Trade Identification Number	00079340011649
Included Components	(1) Threadlocker 263 Surface Insensitive-High Strength Tube, Red, 6-ml
Item Form	Liquid
Item Package Quantity	1
Item Type Name	automotive-thread-lock-sealers
Item Weight	0.01 Ounces
Manufacturer	LOCTITE
Material Type	Acrylic
Model	2205310
Number of Pieces	1
Other Special Features of the Product	Strong
Part Number	2203451
Specific Uses For Product	Automotive
UPC	079340011649
Unit Count	6 Milliliters
Viscosity Level	Medium
Volume	6 Milliliters
Water Resistance Level	Water Resistant

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16308CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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