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Basic Acme thread profile. The Acme thread form has a 29° thread angle with a thread height half of the pitch; the apex (or crest) and valley (or root) are flat.This shape is easier to machine (faster cutting, longer tool life) than a square thread.
A pritchel hole is a round hole in an anvil.Its primary purpose is to provide clearance for punching tools, but it can also be used to hold tools that have round shanks. . Pritchel tools are tools such as punches whose functions do not require them to be held at a particular orien
A metal surface is finished by hammering it with a planishing panel hammer or slapper file against a shaped surface called a planishing stake that is held in a vise or a mounting hole in a blacksmith's beak anvil, [2] or against hand-held, shaped, metal tools that are known as dollies or anvils. The shape of the stake or dolly has to match the ...
Single-horn anvil A blacksmith working iron with a hammer and anvil A blacksmith working with a sledgehammer, assistant (striker) and Lokomo anvil in Finland. An anvil is a metalworking tool consisting of a large block of metal (usually forged or cast steel), with a flattened top surface, upon which another object is struck (or "worked").
The jaw opening of an engineer's vise generally equals its jaw width, though it may be wider. An engineer's vise is bolted onto the top surface of a workbench, [5] with the face of the fixed jaw just forward of its front edge. The vise may include other features such as a small anvil on the back of its body. Most engineer's vises have a swivel ...
After the Greenfield factory burned down, the company was reorganized as the Millers Falls Manufacturing Co. [1] It merged with Backus Vise Co. in 1872 to form Millers Falls Co.. [ 3 ] In 1931 Millers Falls tools purchased the majority of the shares of Goodell-Pratt tools and merged with that manufacturer in 1932.
In 2008, Irwin announced the closing of its DeWitt, Nebraska plant, ending 80 years of American production for Vise-Grips, citing a necessity to move production to China "to keep the Vise-Grip name competitive." [9] In 2010, Irwin closed the customer service office in Wilmington, OH and moved the customer service department to Huntersville, NC.
Apex Tool Group is an American supplier of hand tools and power tools. It was formed as a joint venture of Cooper Industries and Danaher by the merger of Cooper Tools and Danaher's Tools and Components segment. In October 2012, Danaher and Cooper sold Apex to Bain Capital for about $1.6 billion.