Description

LOCTITE 268 is a high-strength threadlocker for maximum efficacy in the securing and sealing of bolts, nuts and studs to prevent loosening due to vibration. The product serves to permanently lock assemblies which must not come loose. It is available in a stick format and easy and effective in overhead applications. The product works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces. It tolerates slight contamination by industrial oils, corrosion prevention oils and cutting fluids.
  • High bond strength
  • Convenient stick format prevents dripping
  • Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses
  • Works on all metals, including passive substrates (e.g. stainless steel, aluminum, plated surfaces)
  • Proven to be tolerant of minor contamination due to industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
  • Can be disassembled by heating to 300°C


Item number 268
Thread Size
(Maximum)		 M50
Color Red
Torque Break
N.m/lb.in.		 25 – 50
Temp. Range (℃) -54℃ ~ 150℃
Cure Speed
(Fixture / Full Cure)		 5 min. /24 hrs.
Oil Tolerant Good
Specific Gravity 1.03
Agency Approvals CFIA


  1. With Loctite Primers, it can fill larger gaps.
  2. The screws fixed by the high-strength screw fixing agent can be removed by heating or by using a large torque.
  3. Before use, clean the next part with a rag or steel brush; if there is oil stain, be sure to remove the oil stain first.
  4. If it is a blind hole, it is more appropriate to apply glue to the hole.
  5. If the joint length is long, glue should be applied to the screw and the hole.

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