Jesse Chunko
Helix- Spiral ornament.
Helical Curve- for which the tangent makes large helical structures in animals (such as horns)
Internal Thread- the minimum diameters are basic whether or not coated
External Thread- Cutting 60º external threads on a lathe equipped with a thread
Pitch- rise over run
Lead- based paint
Axis- Main line can be imaginary
Major Diameter- passes through the center and foci
Minor Diameter- smallest diameter of a screw thread
Crest- curve in some-thing
Root- a cresting
Single Thread- one thread on a screw
Double Thread- two threads on a screw
Triple Thread- triple threads on a screw for a tighter grip
Multiple Threads- more than three threads on a screw or a nut
Right Handed Thread- A screw you turn right to tighten
Left Handed Thread- a screw you turn left to tighten
Thread Representation- to represent how the threads work
Detailed Representation- show with pictures of how the threads would work
Schematic Representation- show in graphs and proof how it would work
Chamfer- beveled edge connecting two surfaces
Pitch Diameter- size of the wire, of a given pitch
Acme Thread- common screw thread profile, which offers high strength
Screw Thread Series- used when the Unified Coarse, Fine, and Extra-Fine are not suitable
Tolerance- allowance a screw will take before breaking or stripping
Allowance- amount of pressure a screw can take before stripping
ISO- International Standards Organization
Cap screw- often referred to as a bolt
Stud Bolt- bolt in which ends studs
Machine Screw- has a cylindrical shaft, threaded its entire length
Setscrew- type of screw generally used to secure an object within another object
Rivet- smooth cylindrical shaft with a head on one end

1) Fastener
2) Helical
3) Root
4) Single thread
5) Single, double, multiple
6) Multiple threads
7) Tolerance and allowance
8) Cap screw
9) The way the threads go
10) A