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granite component, Granite Surface Plates, Granite Machine Parts, granite inspection surface pla, grnaite squares, ranite straight ruler
| Grade | Size | Surface | Price |
|---|---|---|---|
| A | 20*30*5 | Honed | $45/Pieces |
| A | 30*45*8 | Honed | $50/Pieces |
| A | 40*60*10 | Honed | $76/Pieces |
| A | 50*50*10 | Honed | $63/Pieces |
| A | 60*80*10 | Honed | $150/Pieces |
| A | 60*90*10 | Honed | $158/Pieces |
| A | 100*80*15 | Honed | $255/Pieces |
| A | 100*100*20 | Honed | $366/Pieces |
granite component, Granite Surface Plates, Granite Machine Parts, granite inspection surface pla, grnaite squares, ranite straight ruler
Granite Surface Table & Plates are in black color with bright, homogeneous structure, good stability, high hardness, anti-rust and chemical-resistance, so they are suitable for measuring in machinery factory.
Material: granite
Standard: GB/T 20428-2006
Specification: The maximum workability is 3000mm in width and 6000mm in length or customize (special size is acceptable following customers’ requirement)
Surface: T-slots, dovetail-shaped slots, holes, etc.
Hardness of the working surface: HS70
Surface treatment: ground finish
Precision grade: 00-1
Packaging: wooden box
| specification(Lx W)mm | precision grade | |||
|---|---|---|---|---|
| 0 | 1 | 2 | 3 | |
| flatness tolerance (um) | ||||
| 200×200 | 3.5 | 7 | 14 | 27 |
| 300×200 | 4 | 8 | 15 | 30 |
| 300×300 | 4 | 8 | 15 | 30 |
| 300×400 | 4 | 8 | 16 | 32 |
| 400×400 | 4.5 | 8.5 | 17 | 34 |
| 400×500 | 4.5 | 9 | 18 | 35 |
| 400×600 | 5 | 10 | 19 | 37 |
| 500×500 | 5 | 10 | 19 | 37 |
| 500×600 | 5 | 10 | 19 | 39 |
| 500×800 | 5.5 | 11 | 21 | 43 |
| 600×800 | 5.5 | 11 | 22 | 44 |
| 600×900 | 6 | 11.5 | 23 | 46 |
| 1000×750 | 6 | 12.5 | 25 | 50 |
| 1000×1000 | 7 | 13.5 | 27 | 54 |
| 1000×1200 | 7 | 14 | 29 | 58 |
| 1000×1500 | 8 | 16 | 32 | 63 |
| 1000×2000 | 9 | 18.5 | 37 | 74 |
| 1500×2000 | 10 | 20 | 40 | 80 |
| 1500×2500 | 11 | 22.5 | 45 | 90 |
| 1500×3000 | 13 | 25 | 50 | 100 |
| 2000×2000 | 11 | 22 | 44 | 88 |
| 2000×3000 | 13 | 27 | 53 | 106 |
| 2000×4000 | 16 | 32 | 64 | 127 |
| 2000×5000 | 19 | 37 | 75 | 150 |
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