Blue loctite or purple loctite for scope screws?

spectr17

Administrator
Admin
Ive always used blue, never tried the purple. Thy say its for small screws but one complaint i saw said it sets up fast and you have to dig it out if you have to remove the screws to adjust.

loctite_purple.JPG
 

#1Predator

Well-known member
Most scopes/mounts are tapped using a tapered tapping bit (creating an upside down pyramid shaped hole). This creates a very tight fit as the screw is tightened deeper into the hole. I worked four years in a gun shop and never used Loctite, finger nail polish, etc. on any scope mounts unless the customer asked for it. One caveat, use a torque screwdriver and follow the manufacturers directions regarding inch pounds of torque when tightening the screws, especially with aluminum rings/mounts.
 


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