Metron Marker as a Torque Seal, Torque Stripe, Tamper Seal, and Vibration Aid

Metron Marker filled with Hot Pink Ink laying on bolt with the letters P14 written in Hot Pink on one end and two strips of the ink drawn across double bolts showcasing flexibility, color and ink being used as tamper resistant seal, torque seal, torque stripe, and vibration aid.

Metron Marker Permanent Ink formula has been used as a torque seal and for torque stripping by the aerospace, medical, and electronics industries for decades. The Metron Marker allows for a precise application and the available fluorescent colors allow for a fast visual check. The formula has a strong hold that will help keep the parts in place and can aid in vibration proofing and can serve as a tamper indicator. The long tip on the Metron Marker allows for easy access into hard to reach areas.

Image of Metron Orange Ink used on bolt for torque stripe, vibration aid, tamper marker, tamper pen, tamper proof paint, needle tip paint pen, permanent ink, and fluorescent orange marker.

To use Metron Marker Permanent Ink formula for as a torque stripe, follow these tips:

  1. Make sure the part is property secure.
  2. For best adhesion, if needed, clean the are the product will be applied to.
  3. Apply the ink to the area so that the two or more adjoining parts are all connected by the applied ink.
  4. Allow the ink to dry. Ambient temperature is fine, the drying process can be speed up by applying warm air.
  5. Upon future inspection, if the torque stripe is broken, the parts have loosed or have been tampered with.
Image of bolt with nut at bottom striped with Metron Bright Orange paint to demonstrate use as tamper resistant, torque seal, or torque stripe.

To use as a Torque Seal

Cover the area around the two parts.

Image of top of bolt striped and filled with Metron Orange Ink to show use as a torque seal and tamper resistant seal.

To use as a Tamper Seal

Cover the area of the part that one would use for access, such as the top of the bolt pictured here.
The picture here shows a tamper proof seal and a torque stripe.