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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.
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 ...
A slim jim (more technically known as a lockout tool) is a thin strip of metal (usually spring steel) roughly 60 centimetres (24 in) long and about 2–4 centimetres (0.79–1.57 in) wide originally marketed under that name by HPC Inc., a manufacturer and supplier of specialty locksmithing tools.
Ice axe 1 – pick 2 – head 3 – adze 4 – leash 5 – leash stop 6 – shaft with rubber grip 7 – spike. An ice axe is a multi-purpose hiking and climbing tool used by mountaineers in both the ascent and descent of routes that involve snow or ice covered (e.g. ice climbing or mixed climbing) conditions. Its use depends on the terrain: in ...
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]
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.
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