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are tools used to create screw threads, which is called threading. Many are cutting tools; others are forming tools. A tap is used to cut or form the female...

A screw thread is a helical structure used to convert between rotational and linear movement or force. A screw thread is a ridge wrapped around a cylinder...

In manufacturing, threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element. There...

is the difficulty in machining such a thread. The single-point cutting tools or taps and dies used to cut the thread cannot have efficient rake and relief...

A Higbee cut is a specific cut added to a screw thread to produce a blunt start, instead of the sharp end of the unmodified screw thread. It is named for...

square thread, which had been the form of choice until then. It is easier to cut with either single-point threading or die than the square thread is (because...

threads consist of a symmetric V-shaped thread. In the plane of the thread axis, the flanks of the V have an angle of 60° to each other. The thread depth...

A thread restorer is a tool used to fix threads on nuts or bolts that have become damaged. One type of thread restorer is a thread restoring file or thread...

sealing pipe threads. The tape is sold cut to specific widths and wound on a spool, making it easy to wind around pipe threads. Thread seal tape lubricates...

thread axis, the flanks of the V have an angle of 60° to each other. The outermost 1⁄8 and the innermost 1⁄4 of the height H of the V-shape are cut off...

stitching. In using a seam ripper, the sharp point of the tool is inserted into the seam underneath the thread to be cut. The thread is allowed to slip down into...

Self-drilling screws have some ability to cut a thread, as for a tap. Others work not by cutting, but rather by roll-forming the thread, pushing excess material out...

"the Inevitable". Atropos is expected to cut off the thread of life, completing the cycle and determining when a human will die. She is typically seen...

since the warp threads will be pulled tighter than the weft during weaving. Most garments are cut with the straight grain oriented top to bottom. The cross...

A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend along the complete length of the rod...

cut into short lengths and worked like a large bead, and is not pulled through the fabric.: 227, 230  Gimp is similar to passing thread, but is of a heavier...

A thread gauge, also known as a screw gauge or pitch gauge, is used to measure the pitch or lead of a screw thread. Thread pitch gauges are used as a...

was to be allowed for each person or being. She measured the thread of life with her rod. She is also said to choose a person's destiny after a thread was...

self-tapping is used only to describe a specific type of thread-cutting screw intended to produce a thread in relatively soft material or sheet materials, excluding...

newly formed thread. The die head shown cuts an outside thread. There are also collapsible die heads that are used to cut an internal thread. The bottom...