What is the standard length of a steel rule?

What is the standard length of a steel rule?

Steel rules can come in either flexible or rigid forms and in a variety of thicknesses and lengths. The most commonly purchased lengths are 150mm (15cm), 300mm (30cm), 600mm (60cm) and 1,000mm.

What is zigzag rule?

noun. a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes.

Which ruler will produce a more accurate measurement?

For example, a standard ruler can measure length to the nearest millimeter, while a caliper can measure length to the nearest 0.01 millimeter. The caliper is a more precise measuring tool because it can measure extremely small differences in length.

Why would you use a metal ruler?

Steel rules, also called rulers, are essential in any shop when accuracy matters. Steel rules come in rigid and flexible versions. While their primary purpose is accurate measurement, they can also be used as guides for laying out lines, and if rigid enough, for cutting.

How are steel rulers made?

Most rules are made by cutting the required length from a roll of band spring steel, with etched graduations. Rules made by this method are adequate for most applications and reasonably priced.

What is the foot rule?

Definition of foot rule : a stick one foot long for measuring length or distance carpenter with foot rule, notebook, and pencil— May Sinclair broadly : a standard of measurement or judgment measured with the foot rule of the individual life — S. A. Coblentz.

What is bench rule?

Bench Rule BR. A professional grade rule which can be permanently fixed to a bench top, ideal for estimators, craftsmen and anyone selling materials by length.

Why do rulers have cork on them?

The cork backing helps keep the ruler from slipping on glass or polished surfaces and prevents ink from bleeding under the ruler.