TREA

Specially shaped nuts or heads of bolts or screws for rotations by a tool

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Industry

  • CPC
  • F16B23/00
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER

Current Industry

F16B23/00Specially shaped nuts or heads of bolts or screws for rotations by a tool

Sub Industries

F16B23/0007characterised by the shape of the recess or the protrusion engaging the tool F16B23/0015substantially rectangular F16B23/0023substantially cross-shaped F16B23/003star-shaped or multi-lobular F16B23/0038substantially prismatic with up to six edges F16B23/0046having one eccentric circular or polygonal recess or protrusion F16B23/0053with a conical or prismatic recess for receiving a centering pin of the tool apparatus F16B23/0061with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction F16B23/0069with holes to be engaged with corresponding pins on the tool or protruding pins to be engaged with corresponding holes on the tool F16B23/0076causing slipping of the tool in loosening rotation F16B23/0084with a threaded engagement between the head of the bolt or screw and the tool F16B23/0092with a head engageable by two or more different tools
Industries