Answer is:
Lead of thread
Explanation:
Lead is the distance of a threaded component moves along the matching component during one complete revolution. For a single start thread the lead is equal to the pitch.
Answer is:
British Association threads
Explanation:
This thread has an included angle of 47 1/2°. Depth and other elements are as shown in the figure. It is used in small screws of electrical appliances, watch screws, screws of scientific apparatus.
Answer is:
Acme threads
Explanation:
Acme threads are used in lathe lead screws. This form of thread enables the easy engagement of the half nut. The metric acme thread has an included angle of 30°.
Answer is:
Acme thread
Explanation:
The American Acme form has an included flank angle of 29-degrees. The metric Trapezoidal thread is at 30-degrees.
