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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 ...
Large load capacity screw piles may have various components such as flat half helices, Bisalloy cutting tips and helices, cap plates or rebar interfaces for connection to various concrete or steel structures. Most industries use screw piling experts due to the cost efficiencies and, increasingly, the reduced environmental impact.
Hilti Corporation (Hilti Aktiengesellschaft or Hilti AG, also known as Hilti Group) is a Liechtensteiner multinational company that develops, manufactures, and markets products for the construction, building maintenance, energy and manufacturing industries, mainly to the professional end-user.
Ramset powder-actuated tool. A powder-actuated tool (PAT, often generically called a Hilti gun or a Ramset gun after their manufacturing companies) is a type of nail gun used in construction and manufacturing to join materials to hard substrates such as steel and concrete.
A chair screw (also known as coach screw [16]) is a large (~6 in or 152 mm length, slightly under 1 in or 25 mm diameter) metal screw used to fix a chair (for bullhead rail), baseplate (for flat bottom rail) or to directly fasten a rail. Chair screws are screwed into a hole bored in the sleeper. [17]
A wall plug (UK English) also known as an anchor (US) or "Rawlplug" (UK), is a fibre or plastic (originally wood) insert used to enable the attachment of a screw in a material that is porous or brittle, or that would otherwise not support the weight of the object attached with the screw. [1] [2] It is a type of anchor that can be used to allow ...
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.
A video on mining safely using rock bolts. A rock bolt is a long anchor bolt, for stabilizing rock excavations, which may be used in tunnels or rock cuts.It transfers load from the unstable exterior to the confined (and much stronger) interior of the rock mass.