Cangzhou Famous International Trading Co., Ltd
we are precision family
Add to Cart
Granite parallels are in black color with bright, homogeneous structure,good stability, high hardness, anti-rust and chemical-resistance.
Material: Black Jinan granite, India Black Granite
Standard: GB/T 20428-2006, DIN876, JIS
Specification: The maximum workability is 10000mm in length, 8000mm in width and 800mm in height or customize (special size is acceptable following customers’ requirement)
Surface: T-slots, dovetail-shaped slots, holes, etc.
Hardness of the working surface: more than HS70
Surface treatment: ground finish
Precision grade: 00-1
Packaging: Export wooden box
| Pecification (mm) | Flatness of working surface¶llelism of opposite surface | Squareness between working surface | Tolerance of h.w.between a matched pair | |||
| Precision grade (μm) | ||||||
| 00 | 0 | 00 | 0 | 00 | 0 | |
| 160×25×16 | 1.5 | 3 | 20 | 40 | 1.5 | 3 |
| 250×40×25 | 2 | 4 | 30 | 60 | 2 | 4 |
| 400×63×40 | 4 | 8 | 40 | 80 | 4 | 8 |
| 630×100×63 | 6 | 12 | 50 | 100 | 6 | 12 |
