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Soviet Army NR-40 combat knife. The NR-40 (from Russian: нож разведчика, НР-40 nozh razvedchika meaning "scout's knife" or Finka) was a Soviet combat knife introduced in 1940 and used throughout World War II. The NR-40 has a 152 mm (6.0 in) blade with a clip point, a large ricasso, a black wooden handle, and an S-shaped guard ...
In many industries the Mora knife, which has a much cheaper construction, is in use. The mora knife's handle is typically plastic, and the blade is either stainless steel or of laminated construction; harder steel, which forms the edge, is clad in softer steel. In Finnish, these knives are also usually referred to as "puukko" Or "mora.“
Reckitt and Sons was a leading British manufacturer of household products, notably starch, black lead, laundry blue, and household polish, and based in Kingston upon Hull. Isaac Reckitt began business in Hull in 1840, and his business became a private company "Isaac Reckitt and Sons" in 1879, and a public company in 1888. The company expanded ...
An X-Acto knife equipped with a "Number 2" blade Parts of an X-Acto knife from left to right: (1) handle, (2) collar, (3) collet, (4) blade. An X-Acto knife is a blade mounted on a pen-like aluminum body. A knurled collar loosens and tightens an aluminum collet with one slot, which holds a replaceable blade.
Well equipped makers usually use a large industrial belt grinder, or a belt grinder made specifically for knife making. The standard size for a knifemakers' belt grinder is a grinder that runs a belt size of 2" by 72". Pre-polish grinding on a heat treated blade can be done if the blade is kept cool, to preserve the temper of the steel.
Knife sharpening is the process of making a knife or similar tool sharp by grinding against a hard, rough surface, typically a stone, [1] or a flexible surface with hard particles, such as sandpaper. Additionally, a leather razor strop, or strop, is often used to straighten and polish an edge.
A selection of various knife types found in a domestic kitchen. A kitchen knife is any knife that is intended to be used in food preparation.While much of this work can be accomplished with a few general-purpose knives — notably a large chef's knife and a smaller serrated blade utility knife — there are also many specialized knives that are designed for specific tasks such as a tough ...
The cut is always made into the side of the frame, parallel to the surface of the glass, so as to avoid striking the glass and probably cracking it. Old putty is brittle and easily breaks out into small pieces. The hacking knife is strong enough to cut through any hidden glazing sprigs (small nails) that are hidden beneath the putty.