What is a combination set square?

The combination square set (also simply called a “combination set”) is a measuring tool which is designed primarily for measuring angles and lengths. You may find that carpenters only need to use the square head, whilst the centre and protractor head is more often used by engineers.

What does a combination set consist of?

The combination square set consist of a blade (graduated steel ruler) and moving heads called a square head, protractor and a center head. The blade is designed to allow the different heads to slide along the blade and be clamped at any desired location.

What is a combination set parts?

Combination set is a arrangement of square head, protractor head, centre head and slot steel rule.

What is combination square used for?

A combination square is a multi-purpose measuring and marking tool used in metalworking, woodworking, and stonemasonry. It is composed of a rule and one or more interchangeable heads that can be attached to the rule.

How many types of set square are there?

There are two main types of set square. One has an angle of 45 degrees and the other 30/60 degree angles. The 45 degree set square also has a 90 degree angle.

What is the working principle of combination set?

It is composed of a rule and one or more interchangeable heads that can be attached to the rule….Combination square.

A Starrett combination square with a standard head
Other names Combo square Adjustable square Sliding square
Inventor Laroy S. Starrett (1877)

What is the definition of a combination square?

Definition of combination square. : a measuring tool consisting of a steel rule that slides through an adjustable protractor head or level or a center head which can be fixed at any point on the rule by a lock bolt and being usable as an inside or outside try square, a marking or depth gauge, level, miter square, plumb, and straightedge.

How big is a 12 in combination square set?

12 In. Combination Square Set Get the all the accurate measurements you need for your wood or metal project with this combination square. The combination set measures in SAE and metric scales on the stainless steel rule and on the aluminum square head, center head and protractor.

How is the head of a combination square attached?

The heads, occasionally called anvils, are attached to the rule by sliding the rule into a slot in the side of the head. The head is then tightened in place via a lock bolt or lock nut which engages with a channel running the full length of the rule, allowing the head to be tightened on at any point along the rule.

How to use a combination square for angles?

How to Use a Combination Square for Angles Place the shoulder of the square against the edge of the working surface you wish to cut. Draw a line along the blade edge until your pencil reaches the shoulder of the combination square. Once completed, the line should be a perfect 45° angle with the edge of the working surface.