hobbing
111Drill bit shank — The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different performance, such as allowing… …
112Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… …
113Diagonal pliers — with uninsulated handles. Diagonal pliers (or wire cutters or diagonal cutting pliers) are pliers intended for the cutting of wire (they are generally not used to grab or turn anything). They are sometimes called side cutting pliers or side… …
114Concrete saw — A concrete saw being readied for use. The man in the background is preparing the hose to deliver water to cool the saw, whilst the operator is moving the saw to the required position. A substantial engine powers the unit …
115Lathe center — Dead center mounted in the spindle of a lathe and being used to support a workpiece being driven by a carrier setup A lathe center, often shortened to center, is a tool that has been ground to a point as to accurately position a workpiece about… …
116Mitre box — A mitre box (US spelling, miter box ) is a woodworking tool used to guide a hand saw to make precise mitre cuts in a board. A home made manual miter sawing box. The most common form of a mitre box is a 3 sided box which is open at the top and the …
117Sharpening stone — Waterstone redirects here. For the British bookstore chain, see Waterstone s. An oil stone Sharpening stones, water stones or whetstones are used to grind and hone the edges of steel tools and implements. Examples of items that may be sharpened… …
118Indexing head — and tailstock set up on a milling machine s table. An indexing head, also known as a dividing head or spiral head,[1] is a specialized tool that allows a workpiece to be circularly indexed; that is, easily and precisely rotated to preset angles… …
119Cycloid gear — The cycloidal gear profile is a form of toothed gear used in mechanical clocks. The gear tooth profile is based on the epicycloid and hypocycloid curves, which are the curves generated by a circle rolling around the outside and inside of another… …
120Die head — with various chasers A die head is a threadi …
