England T-Slot Square Block

Usage: Inspecting the spare parts' parallelism & perpendicularity

Material: Cast iron, Welded-Steel Plate

Accuracy: 
The general accuracy can be divided into 0, 1, 2, 3. Accuracy standard square box in the ''People's Republic of China MAchinery Industry standard'' JB / T7974-2000 where can be found. We can offer the square block according to other standard, such as DIN 876., British Standard as per customer' reuqirements.. Accuracy is generally based on the selection criteria, as appropriate, depending on usage. Three or more square box with precision to do testing, marking, assembly and other uses, three precision below the square box is generally used to do welding and the like.