screw anchor


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screw anchor

An anchor (similar to an expansion bolt) having a metal shell with a screw along its central axis; when the shell is placed in a hole and the screw is driven in, the shell expands, tightly securing the anchor in the hole.
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Tenders Are Invited For Power Installed Screw Anchor With Single 14" Helix
The job called for the screw anchor sets to permanently stabilize the pipeline in its new location.
Even then, you still may have to use a dead man anchor, a rock anchor or a screw anchor to hold the antenna in place like it says on Page 2-11 of TM 11-5985-357-13.
Because of the substantial areas of muskeg that the pipeline route traversed, Enbridge selected a screw anchor system as the primary means of buoyancy control for the project after talks with TransCanada, which had considerable experience with screw-anchor buoyancy control.
In addition, Symons Corporation, through its Richmond Screw Anchor Division, manufactures a broad line of concrete accessories and hardware.
Content: clamps, angle guide plates, liners, coach screws and screw anchor.
This edition includes new chapters on suction and caisson anchors, and separate chapters devoted to horizontal plate anchors in sand, horizontal plate anchors in clay, helical anchors in sand, and single-helix screw anchors in clay.
in particular offers helical screw anchors, block walls, grade beams, and precast concrete wall systems.
Re-tightening the plug screw anchors the adjustment in place.
such as extra mooring lines, lumber for fender boards, chafing gear, screw anchors, flashlights, portable radios, batteries, portable generators, electrical and manual bilge pumps, and repair or hull patching supplies.
The PSID-1 is said to enhance the use of helical screw anchors for pipeline stabilization by speeding the installation process through use of its proprietary screw-alignment feature in combination with its custom-designed pipeline saddle clamp.
Distributed through the nationwide network of the Specialty Tools & Fasteners Distributors Association (STAFDA), drywall houses, and building-supply distributors, the Pro-Twist line includes: drywall screws, light gauge steel fasteners, self-drilling screws, self-drill steel framing screws, heavy gauge metal to metal fasteners, concrete screw anchors, cement board and fiber cement board screws, drywall nails, acoustical fasteners, and wood-working fasteners.