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T-slot framing is divided into metric and fractional (imperial) categories. The T-slot is always centered along the long-axis of the piece. Pieces are available in each series with a square cross-section. Rectangular cross sections are also available which measure x by 2x (where x is the defined width) - e.g. 40mm by 80mm for 40 series.
A heavy-duty T-slot nut with a M12 bolt is rated to support 10000 N (about 1 imperial ton at rest). [2] Profile 40×40 (40 mm by 40 mm, with 8 mm grooves) extruded aluminum profile and the T-slot nuts to fit into them comprised the first modular system developed for use in mechanical engineering in 1980 by item Industrietechnik. [3]
A broken pocket-hole joint "likely can’t be repaired". [7] Although the holes can be plugged the pocket hole may be considered unsightly when all sides of the joint are visible. It is not suitable for joining thin pieces of wood. The boards must have a minimum thickness of 10 to 15 mm (3 ⁄ 8 to 9 ⁄ 16 in).
A steel fence post, also called (depending on design or country) a T-post, a Y-post, or variants on star post, is a type of fence post or picket. They are made of steel and are sometimes manufactured using durable rail steel. They can be used to support various types of wire or wire mesh. The end view of the post creates an obvious T, Y, or ...
Simple split-rail fence Log fence with double posts (photo taken in 1938). A split-rail fence, log fence, or buck-and-rail fence (also historically known as a Virginia, zigzag, worm, snake or snake-rail fence due to its meandering layout) is a type of fence constructed in the United States and Canada, and is made out of timber logs, usually split lengthwise into rails and typically used for ...
Tracks may be broadly categorized as live or dead track. Dead track is a simple design in which each track plate is connected to the rest with hinge-type pins. These dead tracks will lie flat if placed on the ground; the drive sprocket pulls the track around the wheels with no assistance from the track itself.
An angle bracket or angle brace or angle cleat is an L-shaped fastener used to join two parts generally at a 90-degree angle. It is typically made of metal but it can also be made of wood or plastic. Angle brackets feature holes in them for screws. A typical example use of is a shelf bracket for mounting a shelf on a wall.
Rubber anti-trespass panels in and near tracks at Breakneck Ridge station, in U.S. state of New York. Anti-trespass panels (ATPs) are a type of hostile architecture used by railroads to improve safety by reducing pedestrian accidents.