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ACE

Hook for the chains.

Related Terms

LUGBOLT

[DESENG] 1.Aboltwithaflatextension or hook instead of a head. 2. A bolt designed for securing a lug.

LIFTING DOG

1. A component part of the overshot assembly that grasps and lifts the inner tube or a wire-line core barrel. 2. A clawlike hook for grasping cylindrical objects, such as drill rods or casing, while raising and lowering them.

HOOK COLLECTOR TRANSISTOR

A transistor in which there are four layers of alternating nand p-type semiconductor material and the two interior layers are thin compared to the diffusion length. Also known as hook transistor; pn hook transistor.

HOOK BOLT

A bolt with a hook or L band at one end and threads at the other to fit a nut.

HOOK-AND-EYE HINGE

A hinge consisting of a hook (usually attached to a gate post) over which an eye (usually attached to the gate) is placed.

HOIST HOOK

A swivel hook attached to the end of a hoist cable for securing a load.

HOOK

A feature resembling a hook in shape, particularly, a. a spit or narrow cape of sand or gravel which turns landward at the outer end; or b. a sharp bend or curve, as in a stream.

MOUSING

Several turns of light line around the mouth of a hook, to prevent unhooking accidents.

FAIRLEAD

A ring, hook or other device used to keep a line or chain running in the correct direction or to prevent it rubbing or fouling.

HANDY BILLY

A loose block and tackle with a hook or tail on each end, which can be used wherever it is needed. Usually made up of one single and one double block.

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