AccuLock Thread Locking Patches

Accu can offer Thread Locking Patches on many of our Stainless Steel fasteners. MEK Resin AccuLock Thread Locking Patches increase the friction between threaded surfaces, increasing resistance to vibration, loosening, and leakage. AccuLock Patches can be very useful in increasing the effectiveness and longevity of crucial fastenings within a sub-assembly.

Specification Table
CompositionMethyl ethyl ketone (MEK)
Breakaway TorqueNo distinct hard break; slow, gradual release
Prevailing TorqueContinued and constant resistance to rotation
Finished AppearanceResilient plastic
Shelf LifeIndefinite
Chemical ResistanceResistant to many common fluids
Water/Weather ResistanceImpervious to tap and salt water
Corrosion ResistanceResistant to acid/alkali: corrosion barrier
Operational Temperature-50/+75 Degrees Celsius
Applicable MaterialsAll metals, most plastics, wood
Applicable Screw Sizes

Minimum diameter: M2.5

Minimum shaft length: 5mm


Versatile Thread Locking Solution

Our Resin Thread Locking Patches are suitable for use in a variety of applications, and are not limited to use in screw threads. AccuLock Patches can prevent vibration and resist loosening on Couplings, Rivets, and Dowel Pins.

Sealing Solution

MEK Resin thread lock is applied in a full 360 degree pattern, and enhances performance in applications requiring an enhanced seal.

Increased Screw Life

Resin Locking Patches are designed to insulate fasteners against vibrations, and can help to reduce thread wear and galling.

Non-fusing solution

Thread Locking Patches do not fuse with other threads after installation, and do not degrade metal, wood, or the majority of plastic housings. This makes these coatings ideal for applications requiring removal or readjustment.


Resin Locking Patches are durable, and suitable for reuse up to 5 times. Reusable Thread Locking Patches are particularly useful on components such as Captive Screws, which are specifically designed to be removed when necessary. Coatings are also unreactive in air, meaning that coated components can be kept in storage for extensive periods of time.

Performance Standard Compliance

AccuLock Thread Locking Patches are fully compliant with the following performance standards:


  • Lockheed Martin: 11663357, CAGE # 18876, P5407, 507-13-410
  • General Dynamics: 13233419
  • Harris Corporation: DWG. P30-0013
  • National Stock Number: 8030-00-163-5792
  • Naval Sea Sys Comm: 5174855
  • Raytheon: DWG. 998730
  • US Army Missile Comm: MIS-28867A
  • US Air Force: #19207
  • US Army Tank Automotive Command GD: #11663357

Original Equipment Manufacturer (OEM):

  • Allied Signal: PCS5618
  • Atlanta Research: SP 10234
  • Delphi: 00047127
  • Detroit Diesel: 9S244
  • Grumman Aerospace: GF105VP
  • Leco Corporation: 764-709
  • Meritor (Rockwell): 005-2308-010

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