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Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]
Robertson screwdrivers are easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken. [3]: 85–86 They also allow the use of angled screwdrivers and trim-head screws. The socket-headed Robertson screws are self-centering and reduce cam out. They also stop a power tool when set, and can be more easily ...
Pocket screws have a wide washer head to spread the load for a firm bond, and prevent screwing too far into the joint and cracking the wood. The self tapping screws will grip any type of wood, but coarse threads are needed for softer wood and fine threads are needed for harder. [5] Pocket hole joint screws will vary in length depending on the ...
A collection of pocketknives A Swiss Army knife made by Victorinox. A pocketknife is a knife with one or more blades that fold into the handle. They are also known as jackknives, folding knives, EDC knife, or may be referred to as a penknife, though a penknife may also be a specific kind of pocketknife.
Sharpened metal drop-point blade Naturally occurring sharp obsidian piece Shark tooth with a sharp, serrated edge A sewing needle comes to a sharp point. Sharpness refers to the ability of a blade, point, or cutting implement to cut through materials with minimal force, and can more specifically be defined as the capacity of a surface to initiate the cut. [1]
A Bowie knife clearly showing the clip point. The clip point is one of the three most common shapes for the blade of a knife (the others being the drop point and the spear point). Clip point blades have the appearance of having the forward third of the blade "clipped" off. The clip itself can be straight or concave. [1] [2]
A cook for railroad workers sharpens a knife on a stone wheel, in the fields of Western Australia, 1927 As well as coarse grinding, sharpeners also typically 'dress' the cutting edges with a sharpening stone or honing steel , secure or replace loose handles and generally offer advice and assistance regarding best practice.
How a truck jackknifes. Jackknifing is the folding of an articulated vehicle so that it resembles the acute angle of a folding pocket knife.If a vehicle towing a trailer skids, the trailer can push the towing vehicle from behind until it spins the vehicle around and faces backwards.