Granite Tri-Squares ruler

Granite Tri-Squares ruler are used for verticality inspection of machine tools, mechanical equipment, and components, as well as alignment during installation and machining, marking, and more. They serve as a critical measurement tool in the mechanical industry.

Features:

High precision

Exceptional stability

Easy maintenance

Specifications:

Granite Tri-Squares ruler with dimensions 250×160mm or larger feature circular holes to reduce weight and enhance portability.

Granite Tri-Squares ruler are used for verticality inspection of machine tools, mechanical equipment, and components, as well as alignment during installation and machining, marking, and more. They serve as a critical measurement tool in the mechanical industry.

Features:

High precision

Exceptional stability

Easy maintenance

Specifications:

Granite Tri-Squares ruler with dimensions 250×160mm or larger feature circular holes to reduce weight and enhance portability.

Parameter description:

Accuracy grade:level 00

Material: Natural granite

Reference specific gravity: 2800-3070kg/m3

Compressive strength: 230-254kg/mm2

Elastic wear: 1.27-1.47N/mm2

Linear expansion coefficient: 4.6× 10-6 /℃

Water absorption:0.13%

Common size:

ItemsLength-width-thickness(mm)Vertical accuracy(μm)Approximate weight(kg)
1160*100*40level 002
2250*160*50level 005.5
3300*200*50level 009
4400*250*50level 0014
5400*300*50level 0017
6500*350*50level 0024
7600*400*50level 0033
8800*500*60level 0066
91000*630*80level 00140
101000*750*80level 00165

Sincerely looking forward to cooperating!