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Molykote Thread Pastes

+ MOLYKOTE® 1000 Thread Paste
MOLYKOTE 1000 Thread Paste

MOLYKOTE® 1000 Thread Paste is a lead- and nickel-free anti-seize paste used to reduce wear and optimize friction of threaded fasteners, or other metal-to-metal joints, enabling nondestructive dismantling, even after long exposure to high temperatures. It offers good corrosion protection, under high loads, over a wide temperature range [citation:1].

Key Features & Benefits

  • Wide service temperature range: -30°C to +650°C [citation:1]
  • High load-carrying capacity [citation:1]
  • Enables nondestructive dismantling, even after long use at high temperatures [citation:1]
  • Coefficient of friction unchanged in the area of oiled bolts, even after several bolt retightening and loosening processes [citation:1]
  • Good corrosion protection [citation:1]
  • Lead and nickel free formulation [citation:1]

Applications

  • Cylinder head bolts [citation:1]
  • Nozzle head screws of plastic injection molding machines [citation:1]
  • Bolted joints in the chemical industry [citation:1]
  • Tension rings of centrifuges [citation:1]
  • Bolted metal joints exposed to high temperatures [citation:6]
Product NameMOLYKOTE® 1000 Thread Paste
ColorBrown
CompositionSolid lubricants, Mineral oil, Thickener, Powdered metal [citation:1]
Temperature Range (°C)-30 to +650 [citation:1]
Density at 20°C (g/ml)1.26 [citation:1]
Weld Load (N)4,800 [citation:1]
Thread Coefficient of Friction (µ)0.13 [citation:1]
Head Coefficient of Friction (µ)0.08 [citation:1]
Packaging Availability250g, 500g, 1kg, 5kg, 25kg [citation:7]
+ MOLYKOTE® P-37 Anti-Seize Paste
MOLYKOTE P-37 Anti-Seize Paste

MOLYKOTE® P-37 Anti-Seize Paste is an ultrapure, metal-free lubricating compound especially designed for use on austenite steel and steel alloy threaded connections. The high-viscosity paste forms a continuous lubricating film with high-contact adhesion that withstands the extreme forces of drilling applications. It stays in place under extremely high tightening forces, provides excellent sealing and aids component disassembly without thread deformation [citation:2].

Key Features & Benefits

  • Ultrapure, metal-free formulation [citation:2]
  • Specially designed for austenite steel and steel alloy threaded connections [citation:2]
  • High-viscosity paste with excellent adhesion [citation:2]
  • Withstands extreme tightening forces [citation:2]
  • Provides excellent sealing and prevents galling [citation:2]
  • Aids component disassembly without thread deformation [citation:2]

Applications

  • Steerable rotary drilling equipment threaded connections [citation:2]
  • API threaded connections on drilling segments [citation:2]
  • Stainless steel threaded connections [citation:2]
  • High-torque bolted joints
  • Oil drilling equipment
Product NameMOLYKOTE® P-37 Anti-Seize Paste
ChemistryMetal-free, ultrapure formulation [citation:2]
Key FeatureHigh-viscosity, excellent adhesion, withstands extreme forces [citation:2]
Temperature Range (°C)Suitable for high-temperature applications
CompatibilityAustenite steel and steel alloy threaded connections [citation:2]
Packaging AvailabilityVaries by region
+ MOLYKOTE® P-74 Assembly Paste
MOLYKOTE P-74 Assembly Paste

MOLYKOTE® P-74 Assembly Paste is a PAO-based anti-seize paste formulated with solid lubricants such as graphite and white solids. It is a high-load-carrying, metal-free lubricant for anti-seize and lubricating applications on threaded connections [citation:4][citation:5].

Key Features & Benefits

  • High load-carrying capacity [citation:5]
  • Good corrosion protection [citation:5]
  • Nonmetallic formulation - metal-free [citation:5]
  • Wide service-temperature range: -40°C to +200°C (paste), up to +1500°C as dry lubricant [citation:4]
  • Low and constant coefficient of friction [citation:5]
  • Facilitates disassembly, even after extended periods [citation:5]
  • No intentional PTFE or PFAS [citation:5]

Applications

  • Bolted connections and threaded fasteners [citation:5]
  • Sliding contact bearings [citation:5]
  • Linear sliding guides [citation:5]
  • Splined shafts and press-fit joints [citation:5]
  • Exhaust bolts and spark plug threads [citation:5]
  • Flanges and flange seals [citation:5]
  • Door hinges and brake mechanisms [citation:5]
Product NameMOLYKOTE® P-74 Assembly Paste
ColorGreyish Black [citation:5]
TechnologyPolyalphaolefin (PAO) [citation:5]
Solid LubricantsGraphite, white solids [citation:5]
NLGI Grade1-2 [citation:5]
Temperature Range (°C)-40 to +200 (paste), up to +1500 (dry lubricant) [citation:4]
Weld Load (N)4,800 [citation:4]
Thread µ0.13 [citation:4]
Packaging Availability500g Can, 25kg Pail [citation:5]
+ MOLYKOTE® CU-7439 Plus
MOLYKOTE CU-7439 Plus Copper Anti-Seize Paste

MOLYKOTE® CU-7439 Plus is a copper-based anti-seize paste formulated for extreme-temperature threaded connections and fasteners exposed to temperatures up to 650°C, preventing galling, corrosion, and seizure in exhaust systems and heavy-duty industrial equipment [citation:8].

Key Features & Benefits

  • Extreme temperature capability up to 650°C [citation:8]
  • Copper powder solid lubricants prevent thread galling [citation:8]
  • Superior corrosion protection for threaded fasteners [citation:8]
  • Excellent adhesion and washout resistance [citation:8]
  • Easy disassembly after extended service [citation:8]
  • Enhanced torque accuracy - consistent coefficient of friction [citation:8]
  • NLGI Grade 0-1 [citation:8]

Applications

  • Automotive exhaust manifold bolts and studs [citation:8]
  • Turbocharger mounting hardware and V-band clamps [citation:8]
  • Exhaust system flange connections [citation:8]
  • Disc brake caliper mounting hardware [citation:8]
  • Industrial furnace and kiln door fasteners [citation:8]
  • Refinery and petrochemical flange connections [citation:8]
  • Marine engine exhaust manifold studs [citation:8]
Product NameMOLYKOTE® CU-7439 Plus
ColorCopper (Distinctive copper color) [citation:8]
Base OilMineral Oil [citation:8]
Solid LubricantsCopper powder [citation:8]
NLGI Grade0-1 [citation:8]
Temperature Range (°C)-30 to +650 [citation:8]
Key FeatureCopper-based, prevents galling and seizure at high temperatures
Packaging AvailabilityVarious sizes available