TECHNICAL DRAFTING

TOOLS

Drafting Tools These are tools used in

technical drafting It can be use to draw or

manipulate the given item

Pencil Most important tool A writing implement or art

medium constructed of a narrow, solid pigment core inside a protective casing which prevents the core from being broken or leaving marks on the user’s hand during use.

Architectural Pencil A special type of pencil used for

architectural drawing Has a variation of grades 9H is the highest grade or

degree of the pencil

Ruler Also called as “line gauge” An instrument used

in geometry, technical drawing, printing, engineering and building to measure distances or to rule straight lines.

T-Square A technical drawing instrument used

by draftsmen primarily as a guide for drawing horizontal lines

A T-square has two components - the long shaft called the "blade" and the short shaft called the "stock" or "head". 

Compass A technical drawing instrument

that can be used for inscribing circles or arcs

Beam Compass or Divider A compass with a beam and

sliding sockets or cursors for drawing and dividing circles larger than those made by a regular pair of compasses.

Protractor A measuring instrument,

typically made of transparent plastic or glass, for measuring angles. Most protractors measure angles in degrees (°). 

Scale Usually used for measuring Reducing or enlarging the

measurement of the drawing

Scale

Eraser Use to erase unwanted marks

on the drawing paper Usually made up of rubber

Sharpener Use to sharpen the lead of the

pencils

Triangles Used to project lines from a

horizontal base 30 x 60 x 90 Triangle 45 x 90 Triangle

Drawing Board It is where the drawing paper

will be placed Measures 24 inches x 36 inches

in length Has a smooth surface