Bow compasses

When repairing a car, it is often necessary tdraw a perfect circle or make accurate measurements of part dimensions. Compasses will help you tcomplete these tasks. These hand tools are usually twlegs connected with a hinge. One of them is steady and has a needle at its end, which helps tfasten the tool and the second one is placed at the distance required for measuring or marking.

Types of compasses

By the intended purpose:

• Drafting. Helps tmake circles of different sizes. One leg has a needle and the other is used for writing; it has a pencil lead or a ruling pen with drafting ink. There are alsproducts with one leg fitted with a holder: here you can clamp a pen, pencil, brush or any other writing accessory.
• Marking. Used for measuring linear dimensions. Has twneedle points and a screw thold the legs stationary.

There are alscalipers for taking measures in the manufacturers’ catalogues.

• Inside caliper. Both legs are curved outwards. These tools are placed inside holes, slots, grooves tmeasure their inner width.
• Outside calipers. Legs are curved inwards. Allow twrap even large spares or items of an odd shape tfind out their external dimensions.

These tools differ in length which affects the measurement range. It can be 50, 75, 150, 300 mm, etc.

Compasses: maintenance tips

1. You should use this tool only according tthe instructions, for the intended purpose and safety regulations. This instrument has sharp elements which may injure you.
2. You shouldn’t press tohard on the steady leg, otherwise, you risk damaging the workpiece.
3. When the work is finished, you shouldn’t leave the tool with its legs pulled apart. It is better tstore it in a case.

Professional help from Buycarparts.co.uk

In the online shop Buycarparts.co.uk, you can buy compasses, rulers, angle meters, protractors and many other necessary tools on favourable terms. We set low prices for all products and often have promotions. Besides, you won’t have twait for your order for tolong: it will be delivered in a short time and inexpensively. Create an account on our website today and make only advantageous purchases online.