✓ Withstands temperatures up to 450°F where standard grades soften ✓ High-strength permanent lock and seal for fasteners up to 1-1/2″ ✓ Red anaerobic formula for hot-running threaded fasteners ✓ Available in 50 ml and 250 ml bottles High Demand Item – Frequently Reordered by Contractors Solution 16 is a high-strength, single-component anaerobic red threadlocker formulated for high-temperature service – it withstands temperatures up to 450°F. It locks and seals threaded fasteners up to 1-1/2 inch in diameter that run hot, holding against vibration where standard-grade threadlockers can lose strength. A permanent high-strength grade for elevated-temperature applications; disassembly is difficult and typically requires applying heat. Available in 50 ml and 250 ml bottles. Applications Fasteners exposed to elevated operating temperatures up to 450°F Engine, exhaust, and manifold hardware High-temperature pumps, valves, and equipment Assemblies subject to thermal cycling Sealing hot threaded connections Key Features Withstands temperatures up to 450°F High-strength, permanent-grade hold For fasteners up to 1-1/2 inch in diameter Anaerobic cure – sets only between metal threads Red color for quick identification Sets in 5–15 min; reaches full strength in 24 hours Specifications Type Anaerobic threadlocker, single-component Strength High (permanent) Color Red Service Temperature –65°F to +450°F Fixture Time 5–15 min Full Cure 24 hours Viscosity 8000–9500 cP Max Gap Fill 0.010 in Breakaway Torque 200–220 in-lb Shelf Life 1 year (minimum) Fastener Size Up to 1-1/2″ diameter Available Sizes 50 ml, 250 ml Best Used For Hot-running equipment and machinery Engine, exhaust, and manifold hardware High-temperature pumps and valves Joints subject to repeated thermal cycling FAQ What temperature can it withstand? It’s rated to withstand temperatures up to 450°F, holding where standard threadlockers soften. Can treated fasteners be removed? It’s a high-strength grade – disassembly is difficult and typically requires applying heat. What size fasteners is it for? Fasteners up to 1-1/2 inch in diameter. Why Contractors Choose This Rated to 450°F – holds where standard threadlockers soften High-strength, high-temperature performance at distributor pricing Single-component and fast to apply Stocked in bench and production sizes Case pricing that drops as the order grows ✓ Rated to withstand up to 450°F ✓ High-strength red anaerobic hold ✓ Bulk and case pricing built for shops and contractors ✓ Sold and supported by a distribution team with decades in the trade Buy More. Save More. Save 10% when you order a full case. Case and volume pricing available on every size – contact us for shop and contractor pricing on multi-case orders.