Drafting Compass for Drawing Circles & Arcs are used in Mapping & Navigation

Drafting compasses. We offer a complete selection of drafting compasses including old fashioned draft bow compasses, standard bow compasses, These drafting compasses are excellent for use by students or professionals. Offer quality compasses from Alvin & Co, Staedtler, and more. See our complete selection of Drafting Tools .


6 1/2" Spring Bow Compass
Code: 20010
MFG Part #: PA-605L
Regular price: $12.74
Sale price: $7.43
6 1/2" Spring Bow Compass 20010
Academic 4" Flat Bow Drafting Compass
Code: 20011
MFG Part #: 891
Regular price: $14.75
Sale price: $10.54
Academic 4" Flat Bow Drafting Compass 20011
This item is currently out of stock!
Professional 6" Jet Bow Speed Drafting Compass
Code: 20013
MFG Part #: 975J
Regular price: $28.60
Sale price: $16.34
Professional 6" Jet Bow Speed Drafting Compass 20013
This item is currently out of stock!
PRO-Series 6.5" Speed Bow Drafting Compass With Beam Bar
Code: 20014
MFG Part #: PBS903CEX
Regular price: $27.31
Sale price: $17.08
PRO-Series 6.5" Speed Bow Drafting Compass With Beam Bar 20014
Quick Action Drafting Compass Silver
Code: 20016
MFG Part #: Q404A
Regular price: $19.49
Sale price: $11.14
Quick Action Drafting Compass Silver 20016
This item is currently out of stock!
6 " Alvin Traditional Master Bow Compass
Code: 21111
MFG Part #: 604
Regular price: $18.68
Sale price: $14.37
6 " Alvin Traditional Master Bow Compass 21111
Universal 6" Speed Bow Drafting Compass with Beam Bar
Code: 20019
MFG Part #: 702V
Regular price: $38.50
Sale price: $22.00
Universal 6" Speed Bow Drafting Compass with Beam Bar 20019
This item is currently out of stock!
6" Alvin Silverline Master-Bow Compass
Code: 21905
MFG Part #: SL2
Regular price: $28.05
Sale price: $16.03
6" Alvin Silverline Master-Bow Compass 21905
This item is currently out of stock!
6" Alvin Bow Compass with Adapter to Hold Pencils & Pens
Code: 21907
MFG Part #: 508
Regular price: $28.95
Sale price: $16.54
6" Alvin Bow Compass with Adapter to Hold Pencils & Pens 21907
This item is currently out of stock!
6" Black or Silver Alvin Bow Compass (no color choice)
Code: 21909
MFG Part #: 704
Regular price: $11.95
Sale price: $6.83
6" Black or Silver Alvin Bow Compass (no color choice) 21909
This item is currently out of stock!
6 ½" Alvin Speed Bow Compass with Beam Bar Draw 25" Diameter Circles
Code: 21910
MFG Part #: 302VJ
Regular price: $25.35
Sale price: $15.60
6 ½" Alvin Speed Bow Compass with Beam Bar Draw 25" Diameter Circles 21910
This item is currently out of stock!
6 ½" Alvin Speed Bow Compass Draw 12" Diameter Circles
Code: 21911
MFG Part #: 305
Regular price: $19.65
Sale price: $11.23
6 ½" Alvin Speed Bow Compass Draw 12" Diameter Circles 21911
This item is currently out of stock!
Alvin Graduated School Pencil Compass Pkg 12
Code: 21916
MFG Part #: 708
Regular price: $31.80
Sale price: $19.57
Alvin Graduated School Pencil Compass Pkg 12 21916
This item is currently out of stock!

Use a drafting compass to draw arcs & circles:

A compass has two arms one containing a needle (shoulder needle) and the other a graphite lead. To draw a circle and arc with the compass adjust the width/spread (distance between needle point and lead); place the needle point at the center where the two center lines intersect; rotate the compass by twisting the thumb and forefinger to produce the circles line. It is important to sharpen the lead to a chisel point to produce lines of even thickness while rotating the compass. Generally soft lead (F or HB) are used in compasses so the circle are drawn as dark object lines.

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