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...

The ISO metric screw thread is the most commonly used type of general-purpose screw thread worldwide. They were one of the first international standards...

A screw is an externally helical threaded fastener capable of being tightened or released by a twisting force (torque) to the head. The most common uses...

Trapezoidal thread forms are screw thread profiles with trapezoidal outlines. They are the most common forms used for leadscrews (power screws). They offer...

right-hand threaded metal bases (caps) which screw into matching threaded sockets (lamp holders). For bulbs powered by AC current, the thread is generally...

Unified Thread Standard (UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly...

British Association screw threads, or BA screw threads, are a set of small screw threads, the largest being 0BA at 6 mm diameter. They were, and to some...

specific type of thread-cutting screw intended to produce a thread in relatively soft material or sheet materials, excluding wood screws. Other specific...

wood screw forces it into wood. In screw mechanisms, either the screw shaft can rotate through a threaded hole in a stationary object, or a threaded collar...

British Standard Whitworth (BSW) is an imperial-unit-based screw thread standard, devised and specified by Joseph Whitworth in 1841 and later adopted as...

The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. It is more accurately...

A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force. A screw thread is an...

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

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 reference...

large area of sliding contact between their male and female members, screw threads have larger frictional energy losses compared to other linkages. They...

generally used three thread sizes. The Unified Thread Standard (UTS) originates from the United States, while the ISO metric screw thread is standardized worldwide...

screw thread may refer to: ISO metric screw thread ISO inch screw thread This disambiguation page lists articles associated with the title ISO screw thread...

[citation needed] A screw jack consists of a heavy-duty vertical screw with a load table mounted on its top, which screws into a threaded hole in a stationary...

IEC metric screw sized connectors is a family of electrical connectors defined by IEC that are named according to their ISO metric screw thread, namely M5...

A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting very accurate screw threads via single-point screw-cutting, which is the...

The square thread form is a common screw thread profile, used in high load applications such as leadscrews and jackscrews. It gets its name from the square...

threaded but may also be grooved depending on roller screw type. Providing more bearing points than ball screws within a given volume, roller screws can...

Pitch-diameter micrometers (aka thread mics) have a matching set of thread-shaped tips for measuring the pitch diameter of screw threads. Limit mics have two anvils...

optics). A differential screw uses a spindle with two screw threads of differing leads (in case of a single lead equal to the thread pitch), and possibly...

This is a list of types of threaded fasteners, including both screws and bolts. "Aspen Fasteners". "Tricks of the Trade". Motorcycle Mechanics. 2 (12)...

screw. This is most obviously so when the thread is tapered (i.e. traditional wood screws), precluding the use of a nut, or when a sheet metal screw or...

Taps and dies 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...

Buttress thread forms, also known as sawtooth thread forms or breech-lock thread forms. are screw thread profiles with an asymmetric shape, having one...

engineering, the thread angle of a screw is the included angle between the thread flanks, measured in a plane containing the thread axis. This is a defining...

A ball screw (or ballscrew) is a mechanical linear actuator that translates rotational motion to linear motion with little friction. A threaded shaft provides...