Industrial Granite Surface Plate DIN 876 Grade 00 - 200x300mm to 8000x2000mm Precision Reference Plate

Price Negotiable

Price: Negotiable

MOQ: 1

Delivery Time: 10days

Brand: Willing

Product Description

Industrial Granite Surface Plate

Precision granite surface plates for industrial inspection, gauging, layout, and marking applications. Manufactured to international standards including DIN 876, GB 117-2015, BS 817, and JIS B-7513.

Key Features & Specifications

Material Properties

Made from close-grained Jinan Black Granite with uniform color and texture

Hardness: 5.6-7 on Moh's scale, Shore Hardness: 70-80 Hs

Specific Gravity: 3.03 g/cm³, Compressive Strength: 245-254 MPa

Linear Expansion Coefficient: 4.61×10⁻⁶/°C

Water Absorptivity: ≤0.13%

Available Options

Metallic threaded inserts and T-slots available

Plates with two or four ledges on request

Rexine protective cover included with each plate

Steel stands with leveling screws available

Granite lapping plates (square and rectangular) available

Precision Grades & Specifications

Flatness Tolerance Standards

Grade 000: 1×(1+d/1000) μm

Grade 00: 2×(1+d/1000) μm

Grade 0: 4×(1+d/1000) μm

Grade 1: 8×(1+d/1000) μm

(d = diagonal length in mm)

Standard Size Specifications

Dimensions (L×W×T mm)	Weight (kg)	Grade 000 (μm)	Grade 00 (μm)	Grade 0 (μm)	Grade 1 (μm)
300 × 200 × 50	17	1.5	3	6	12
300 × 300 × 50	19	1.5	3	6	12
400 × 300 × 70	25	1.5	3	6	12
400 × 400 × 70	48	2	3.5	6.5	13
630 × 400 × 100	76	2	3.5	7	14
630 × 630 × 100	155	2	4	8	16
800 × 500 × 130	156	2	4	8	16
1000 × 630 × 130	284	2.5	4.5	9	18
1000 × 750 × 150	338	2.5	5	9	18
1000 × 1000 × 150	450	2.5	5	10	20
1600 × 1000 × 200	963	3	6	12	24
2000 × 1000 × 200	1200	3.5	6.5	13	26
1600 × 1600 × 300	2312	3.5	6.5	13	26
2000 × 1600 × 300	2890	3.5	7	14	28
2500 × 1600 × 300	3612	4	8	16	32
3000 × 2000 × 500	9030	4.5	9	18	36
4000 × 2000 × 500	12040	5.5	11	22	44
6000 × 2000 × 700	25284	7.5	15	30	60