Torque wrench
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A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw. It is usually in the form of a socket wrench with an indicating scale, or an internal mechani
Conceptual illustration of J. H. Sharp's patented wrench
Detailed view of the torque display scale on a beam type torque wrench. This one is displaying an applied torque of about 160 in.lbf or 18 N·m.
Click-type torque wrench with socket attached, adjusted by turning the knurled handle
Socket wrench
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A socket wrench is a type of spanner that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.
Torque wrench
…A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw. It is usually in the form of a socket wrench with an indicating scale, or an internal mechanism which will indicate (as by 'clicking', a specific movement of the tool handle in relation to the…
Socket set with ratchet (above), four hex sockets and a universal joint
Torx socket
"6 point" hexagonal socket
Splined socket