GMT GRANITE TRI SQUARE

Made of Indian Black Granite and provided with through-holes for weight reduction and ease of handling. All 6 sides are lapped to maintain flatness, squareness and parallelism. 

GMT Granite Tri-Squares provide an excellent, economical way for accurately checking the X-Y-Z axes on CNC machines, milling machines, coordinate measuring machines. 

Lying in the horizontal position, (on surface 3 or 4) the X and Y axes can be checked for 90° squareness. With the square in the vertical position, tracing along the vertical edge of the square can check the perpendicularity of the Z axis.Tri-Squares have 6 finished faces.

Custom sizes can be supplied upon request.

Accessories  Wooden case.

SPECIFICATIONS

Dimensions (mm)	Thickness	Weight (Kg)	Grade 0
Small Length x Width			(µ)
300 x 200	70	10	3
400 x 200	70	13	3
500 x 200	70	15	5
630 x 400	75	26	5
800 x 500	90	70	5
1000 x 630	120	140	10