How to Sharpen Scissors

"Schere Schärfen"

and what to do if they still don't work!

Scissors don't cut even after sharpening

The likely culprit is that the blade edges don't glide over each other because the pivot-screw or rivet is loose.

Solution:

RIVET hinged joint

• Place the scissor flat on a vise or hard surface
• With a medium ball-pein hammer strike the rivet head lightly, testing the cutting action after each couple of hammer taps.
• Repeat until desired cutting action takes place.

  

• WARNING
  • If you get aggravated and smack the rivet head too hard, the scissor will be unusable because the blades are now riveted together. The only recourse is to buy another scissor.

• Using a vise, tighten one scissor blade in the jaws leaving access to the adjustment screw.
• With a proper sized screwdriver, usually a flat blade, tighten the screw until it's seated for the proper cutting action.

  

• WARNING
  • Don't do this in your hand even if think you're steady enough for that.
  • Make sure that your flat blade screwdriver has a nice squared tip – if not, do that first on a grinder or with a file, then make the screw adjustment.

This tip works well for poultry shears and in the workshop also: tin snips, garden secretaries (snips), hedge trimmers, tree branch trimmers, etc.

BLADES are bent?

Check the blades for straightness; it could be that after trying to open the lid on a pickle jar, that one or both blades are bent.

• Place each blade alternately into a vise, a short section at a time, and physically bend the blade back to proper straightness.
• This works ok for thinner scissors but for the more rugged types a bit of physical persuasion may have to be used. A hand pliers or slip-joint pliers will help in this.

• DO THIS WITH A BIT OF CAUTION
  especially with hardened steel scissors, they can snap! Stainless steel scissors can take a bit effort to bend but they usually do allow adjustment.

  Don't forget to sharpen the blades. Check out Sharpening Scissors for some quick and easy tips on how to sharpen scissors safely.
  
  

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