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Its head is typically metal, attached perpendicularly to a longer handle, traditionally made of wood, occasionally metal, and increasingly fiberglass. A standard pickaxe, similar to a "pick mattock", has a pointed end on one side of its head and a broad flat "axe" blade opposite. A gradual curve characteristically spans the length of the head.
The head consists of two ends, opposite each other and separated by a central eye. A mattock head typically weighs 3–7 lb (1.4–3.2 kg). [1] The form of the head determines the kind and uses of the mattock: [2] A cutter mattock combines the functions of an axe and adze, with its axe blade oriented vertically and longer adze horizontally.
The recess in the mating part must be designed to accept the particular plow bolt. ASME B18.9 standard recommends a No. 3 head (round countersunk head square neck) plow bolts and No. 7 head (round countersunk reverse key head) plow bolts for new designs. The necessary dimensions for the head styles can be found in the standard. [13] [14] [15]
The hex head is used to drive the bolt into the countersunk hole, then either a wrench or hammer is used to break the shank and hex head from the flat head, or it is driven until the driving head shears off. Either method leaves only a smooth bolt head exposed. This type of bolt is commonly used with prison door locks, automobile ignition ...
Entrenching tools designed for the individual infantryman soon appeared with short straight handles, T-handles, D-handles, and other designs. The British entrenching tool of this period was a two part design, with a metal head and a wooden handle, the metal head consisted of an adze or spade blade and a pick axe spike, used alone the head could ...
Around 1900, all-steel heads came into use. An online video from 1964 captures the effort required to make axes, including steeling the head and hanging ("hafting") a handle or haft. [2] Initially, output was limited to felling ("chopping") axes and soon grew to over 300 axe heads per day. [3] The main building was 350 feet long and 70 feet ...
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Mattock: A dual-purpose axe, combining an adze and axe blade, or sometimes a pick and adze blade. Pickaxe: An axe with a large pointed end, rather than a flat blade. Sometimes exists as a double-bladed tool with a pick on one side and an axe or adze head on the other. Often used to break up hard material, such as rocks or concrete.
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