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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