Difference between Tighten and Fasten

TIGHTEN vs FASTEN: NOUN

To fix firmly; to make fast; to secure, as by a knot, lock, bolt, etc.
To cause to hold together or to something else; to attach or unite firmly; to cause to cleave to something , or to cleave together, by any means
To cause to take close effect; to make to tell; to lay on.
To make his guilt certain, or so probable as to be generally believed.
To look upon steadily without cessation.

To become tight; be drawn tighter.
Severely restrict in scope or extent
To make tight; draw tighter; straiten; make more close in any manner; constrict.
(transitive; intransitive verb) To make or become tight or tighter.

To take firm hold; cling: generally with on.
To become fast or fixed; become attached or firmly joined; close firmly.
= Syn 1 and To bind, attach, tie, link, affix, annex.
To lay on; cause to reach.
To make firm or stable; establish; confirm; clench: as, to fasten a bargain.
Figuratively, to attach or unite by any connecting link or agency; connect or join firmly in general: as, to fasten a nickname or a charge upon one; to fasten one's hope on a promise.
To make fast; cause to adhere; join, connect, or attach firmly; fix or secure in place or position by any physical means: as, to fasten a door with a lock, bolt, or chain; to fasten boards together with nails or screws, or by mortise and tenon; to fasten clothing with buttons, pins, clasps, etc.

Adjust, Bolster, Intensify, Tight, Improve, Restrict, Strengthen, Toughens, Toughen, Loosen, Tighten up, Reduce, Constrain, Fasten, Stiffen

Curl, Tightening, Clamp, Bind, Put, Wear, Tether, Affix, Screw, Attach, Buckle, Strap, Secure, Fix, Tighten

Squeeze, Harden, Adjust, Bolster, Intensify, Tight, Improve, Restrict, Strengthen, Loosen, Tighten up, Reduce, Constrain, Fasten, Stiffen

Curl, Tightening, Clamp, Bind, Put, Wear, Tether, Affix, Screw, Attach, Buckle, Strap, Secure, Fix, Tighten

Tighten web applications security for Apache Modsecurity is an Apache module whose purpose is to tighten the Web application security.
If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten.
On the left side of the firearm, tighten the cap screw on firmly, but do not tighten all the way.
Have someone where you had your eyeglasses adjusted tighten the screws or purchase an eyeglass screwdriver set and tighten the screws regularly yourself.
Harness leg loops are easier to tighten, and pupils can often tighten their own, if not the case follow same procedure as waist belt.
Tighten the two screws using the screwdriver, do not over tighten.
Lastly tighten all clamps, and tighten the mounting base to clamp the unit in.
People are having to tighten their belts, so the government should tighten its belt too.
But maybe tighten up or atleast tighten your lip when commenting to me.
Tighten the bolts securely, but do not over tighten.

Fasten a side down over these framing members.
Carefully fasten wiring to wall studs and ceiling.
Fasten yarn or ribbon on top of bell.
Captain turns off the Fasten Seat Belt sign.
So, brace yourself and fasten your seat belts.
Slide it out and fasten the new one.
Do not fasten boxes to ceiling support wires.
Fasten in place with snap loops at top.
Fasten your seatbelts, and get ready to start.
In addition, we find that Fasten Steel and Walsin are affiliated with Hongsheng and, thus Fasten Corp.