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We are assuming you are using W1 water hardening square stock drill rod, W1 tool steel. Many suppliers will sell W1 tool steel. It is often called drill rod (In England 'silver steel'). It should be square for less work in tool making, but round drill rod can be filed or forged to square. You should not use key stock, which some hardware suppliers will try and sell to you: it cannot be hardened as described below.... (2002) Complete Story
Yes you can make your own earring posts. It is generally more cost effective to buy them, but making them is not a problem and there are times that it is useful to know how.... (1997) Complete Story
A Mineral may be defined as a homogenous substance produced by the processes of inorganic nature having a chemical composition and physical properties which are constant within narrow limits. Its structure is crystalline. It is composed of the same substance throughout. Except for impurities it has the same chemical formula for all specimens of the mineral. Its atoms usually have a definite and ordered crystal structure. What makes a mineral.... (1994) Complete Story
Saving some dollars on equipment can be really helpful to a shop's bottom line. Often tools and equipment from other industries prove useful, and are sometimes cheaper than regular tool suppliers. I think this behavior used to be called 'scrounging'.... (2001) Complete Story
Noise is so common that we don't tend to think of it in terms of exposure in the same way that we would, for example, with a chemical such as benzene. Yet the treatment of hearing damage is considered to be one of the growth industries as we.... (1999) Complete Story