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jewlers rouge or fine steel wool will do a good job on knives you use if it is a family heirloom or one you want to sell to a collector you should just leave it like it is (my opinion)

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Q: How do you clean a very old K BAR knife blade?
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How does a knife edge bearing work?

A knife edge bearing is used to provide a low friction pivot point for a slow moving, low loaded rocking arm; for example a balance beam as in the old-fashioned shop weighing scales. The rocking arm is supported at its pivot point by a cross bar. The two ends of the cross bar are machined such that a line across their bottom edge becomes a knife edge, with the two faces of the knife blade forming an angle of about 60 deg. This knife edge pivots on two supporting pillars, one each side of the arm, which carry the weight of the arm and any applied loading. Very simple and reliable, the only problem being with wear of the knife blade over time, especially with heavier loads or fast repeated movement.


What is a fully forged knife?

Very basically, a fully forged knife is one where the whole knife (blade, bolster and handle steel) is made from one steel bar. The process involves heating the bar and hammering it (by hand or machine) into the desired shape/forcing it into a mould. Then when it cools it can be trimmed, edged, cleaned up, etc. The handle is either riveted on from either side, or wrapped around the steel core of the handle. Generally, knives made in this way are stronger due to the process. Also, there are no 'joins' in the knife, so no weak points. It must be said that the term forged or fully forged is sometimes used rather loosely and can be misleading, so do your own investigation into specific ranges and models. The other method of knife making is stamping, where the knife blade shapes are stamped out of a continuous sheet of steel. A much cheaper form of manufacture. The blades are then welded into the handle, or sometimes the blade and handle steel are welded into the bolster on either side, in effect making it a 3 pieced knife.


What is a forged knife?

Very basically, a fully forged knife is one where the whole knife (blade, bolster and handle steel) is made from one steel bar. The process involves heating the bar and hammering it (by hand or machine) into the desired shape/forcing it into a mould. Then when it cools it can be trimmed, edged, cleaned up, etc. The handle is either riveted on from either side, or wrapped around the steel core of the handle. Generally, knives made in this way are stronger due to the process. Also, there are no 'joins' in the knife, so no weak points. It must be said that the term forged or fully forged is sometimes used rather loosely and can be misleading, so do your own investigation into specific ranges and models. The other method of knife making is stamping, where the knife blade shapes are stamped out of a continuous sheet of steel. A much cheaper form of manufacture. The blades are then welded into the handle, or sometimes the blade and handle steel are welded into the bolster on either side, in effect making it a 3 pieced knife.


What is a KA-BAR knife?

There are two possible answers:A knife made by the KA-BAR company.A particular style of Bowie knife used by the US Military.


Where would you place a knife at the dinner table?

a long magnet metal bar will hold knives and protect them


Can an austentite surgical steel bar of about a cm in depth stop a bullet or a knife?

Yes, an austentite steel bar would stop both a bullet and a knife.


How does a switchblade work?

Basically there are two distinct styles of "switchblade" or automatic knife. ?[http://www.nicnac.net/media/1afronttxt.jpg Here are some examples of different styles.] The most common one opens by the blade pivoting from the frame as most normal folding knives do but the blade is propelled or deployed by pushing a button or lever on the frame (or handle) of the knife which releases a coil or flat (leaf or kicker) spring that forces the blade to deploy and then the knife locks open. The locking and unlocking mechanisms vary greatly. There are several different types of locking and unlocking mechanisms used on most switchblade automatic knives. The most simple is simply using the same button to unlock and close the blade that is used to deploy the blade. There are also "liner locks" which, as the name suggests) uses a portion of the knifes frame to lock the blade open by springing behind the blade when it is fully opened. To close a liner lock simply push the liner back against the frame and close the blade. Italian knives sometimes use a lever to deploy and unlock the blade much as the button locking system but there are several other locking systems used on these kinds of knives. Italian locks include the "picklock" which unlocks the blade by prying the spring lock bar up with a thumbnail or other object which releases a small pin which is part of the blade and unlocks the knife for closing. A more modern version of this is the swivel bolster lock. The locking mechanism is the same as the picklock but the bolster of the knife on the button side swivels and is used as a lever to push the locking bar open. Then there is the "back lock" which means the spring on the back of the knife engages with a notch on the blade when the blade is deployed and locks open. There is a detent toward the back of the knife where a person can push down on the rear of the backspring, which is pinned into the knifes frame in the center, which raises the front of the spring and unlocks the blade. The second type of switchblade automatic knife deploys the blade straight out the front by means of a spring inside the frame. The blade is deployed and unlocked using the button or a form of liner locking mechanism. These are called single action front opening knives or OTF (out the front) knives. There are also double action front opening knives which both deploy and retract the blade by using a series of springs and locking ramps on the inside of the knife. The front opening knives are NOT known as "stilettos" as some people mistakenly refer to them. A "stiletto" has a long thin blade and can be used on many types of knives from fixed blade to automatic.


Is a kabar knife a bayonet?

No, the Ka-Bar is not a bayonet.


Where can one purchase a Ka Bar knife?

KA-BAR Knives can be purchased directly from the companies official website. They can also be found online from companies such as Amazon and Knife Depot.


Were there fighting knives in World War 2?

There have been fighting knives in every war since knives were invented. They had the K-Bar knife then. It's still avaible to buy. High carbon steel blade with a leather wrapped handle.


What is the difference between a blood gauge knife and a regular knife?

I think you may mean a knife with a blood groove, as I am not familiar with anything called a blood gage knife. A blood groove is the colloquial name for the hollowed out strip on some knives. You can see it on the KA-BAR USMC fighting knife, for instance. The proper term for that strip is a fuller. Some people call it a blood groove because they think it is to help drain blood away from the tip of the knife when it is used in combat. Really, a fuller just takes some weight away from a heavy knife without reducing the strength of the blade.


Is cutting a bar of sodium metal with a knife a chemical change?

No it is not.