internal thread
Nut's spiral ridges
Internal thread refers to the spiral grooves cut on the inside surface of a hole or cylinder, designed to receive a bolt, screw, or other fastener with matching external threads.
Nuts have internal threads; bolts have external threads.
The term appears in machining, plumbing, and mechanical engineering: The fitting has an internal thread that accepts standard pipe connections.
- nutHard-shelled seed
- boreTiresome individual or drill
- pitchFrequency of sound
- helixSpiraling three-dimensional curve
- couplingJoint between systems
screw · bolt · torque · engagement · tap · die · fastener · socket · receiver · mating · spiral · grooves · depth · gauge · turning · wrench · fitting · pipe fitting
internal, thread, internally, internalize, internalized, internalizing, internalization, intern, threaded