High-precision granite

Granite Square Ruler (four sides)

Description

Granite Square Ruler (four sides)

Features:
1. Made of high-quality granite slab, precision reference to German national standards: Precision tolerance on all four sides conforms to DIN875 standard, providing precision inspection standards for the industrial sector. Flatness tolerance conforms to DIN876 granite slab standard, providing precision inspection standards for the industrial sector.
2. Essential fixture for precision inspection and laboratory use. Used for checking perpendicularity, parallelism, and can serve as a 90-degree absolute measurement reference.

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Specifications

    000 grade 00 grade
(L*W*T)  mm (KG) Accuracy
(um)
Model No. Accuracy
(um)
Model No.
150*150*20   1.5 TSD  150*150-00 3 TSD  150*150-0
200*200*30   2 TSD  200*200-00 4 TSD  200*200-0
250*250*30   2 TSD  250*250-00 4 TSD  250*250-0
300*300*30   2.5 TSD  300*300-00-30 5 TSD  300*300-0-30
300*300*50   2.5 TSD  300*300-00 5 TSD  300*300-0
400*400*40   3 TSD  400*400-00-40 6 TSD  400*400-0-40
400*400*60   3 TSD  400*400-00 6 TSD  400*400-0
500*500*70   4 TSD  500*500-00 8 TSD  500*500-0
600*600*80   5 TSD  600*600-00 10 TSD  600*600-0
800*800*100   6 TSD  800*800-00 12 TSD  800*800-0
1000*1000*140   7.5 TSD  1000*1000-00 15 TSD  1000*1000-0
Using high-quality granite material with precision referencing the German national standards:
Verticality tolerance according to DIN875 standard.
- Flatness tolerance according to DIN876 standard.
(We reserve the right to alter the Specifications)
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