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2. Precast concrete lifting anchor system - Wikipedia

   en.wikipedia.org/wiki/Precast_concrete_lifting...

   The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...

3. Anchor channel - Wikipedia

   en.wikipedia.org/wiki/Anchor_channel

   Anchor channels, invented by Anders Jordahl in 1913, are steel channels cast flush in reinforced concrete elements to allow the installation of channel bolts for the fastening of components. Anchor channels consist of steel C-shaped channels and anchors (mostly headed studs ) which are connected to the channel by welding or riveting/forging.

4. Anchor bolt - Wikipedia

   en.wikipedia.org/wiki/Anchor_bolt

   Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Larger diameter screws are referred to as LDT's. This type of fastener requires a pre-drilled hole—using a Tapcon drillbit—and are then screwed into the hole using a standard hex or phillips bit. These screws are often blue, white, or stainless ...

5. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   Drywall screws designated as fine are the most common screws to use the twinfast style of threads. [5] wood screw: A metal screw with a sharp point designed to attach two pieces of wood together. Wood screws are commonly available with flat, pan, or oval-heads. A wood screw generally has a partially unthreaded shank below the head.

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Fitting being crimped using a specialized tool Pressfittings connection with dead space around the O-ring. Crimped or pressed connections to use special fittings permanently attached to tubing with a powered crimper. The fittings, manufactured with a pre-installed sealant or O-ring, slide over the tubing to be connected. High pressure is used ...

7. Simpson Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Simpson_Manufacturing_Company

   Simpson Manufacturing Company is an engineering firm and building materials producer in the United States that produces structural connectors, anchors, and products for new construction and retrofitting. The company was founded by Barclay Simpson in Oakland in 1956, as a successor to his father's window screen company. [1]