Jinan black granite
Real materials,absolutely
it's your best choice
High reputation
Golden supplier
Port: SHANGHAI
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 500 Ton/Tons per Month
Payment Terms: L/C,T/T
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Packaging Detail: WOODEN CASE
Delivery Detail: 30-100days according to quantity
Granite Measuring Tool
Precision Grade:00-0
Standard:GB6092-85
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Granite rectangular device suitable for the detection of verticality. Plane accuracy of the standard GB6092-85, the vertical standard GB6092-85. To reduce weight and to facilitate the processing and reduction bores. Side of the tolerance is 0.02.
Granite squares is mainly used for the workpiece flatness, perpendicularity, straightness measurement
Rock by long-term natural aging, organizational structure, uniform, linear expansion coefficient is very small, the internal stress completely disappeared, no deformation, so the accuracy is high.
Rigid, high hardness, wear resistance.
Not afraid of acid and alkaline liquid material erosion, and will not rust, do not need oiling, not easy to stick dust, easy maintenance and maintenance, long service life.
Will not scratch, without a constant temperature to prevent ,temperature measurement accuracy can be maintained at room temperature
Not magnetized,measurements can move smoothly,no zhise sense,not by wet impact,plane said will be a good.
Precision:according to the national standards measurement examination regulations execution:
squareness between measuring surface and datum suface | Flatness&straightness of measuring surface | Flatness&str aightness of datum surface | ||||
| TYPE | ||||||
| (mm) | ||||||
precision grade(um) | ||||||
| 00 | 0 | 00 | 0 | 00 | 0 | |
| 100x63 | 2 | 4 | 1 | 1 | 1 | 1 |
| 160x100 | 2 | 4 | 1 | 2 | 1 | 1 |
| 250x160 | 2.5 | 5 | 1 | 2 | 1 | 2 |
| 400x250 | 3.5 | 7 | 1 | 2.5 | 1 | 2 |
| 630x400 | 4.5 | 9 | 1.5 | 3 | 1 | 2.5 |
| 800x500 | 5 | 10 | 2 | 4 | 1.2 | 3 |
| 1000x630 | 6 | 12 | 2.5 | 5 | 1.5 | 3 |
Model No.: DC500-3000mm
Features: 1.Material HT250
2.working surface made by skiving or precise rubbing.
3.Used to test the straightness
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Features: magnetic base, magnetic tool, magnetic product
1.various design
2.quick delivery
3.superior quality, most competitive price
Model No.: 8 Inch Hardwood Try Square
Features: 8 Inch Hardwood Try Square
For durability and easy use
Easy-to-read etched increments at 1/8 and 1/16 inches
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Features: 90 Vee centered with and parallel to bottom and two sides, and square to the ends
Model No.: 3000
Features: 1. standard JB/T7974-99
2.rib or case type
3.material:HT200-300
4.working surface made by skiving
Model No.: PT0633
Features: round shaped bmi calculator,the colorful tape, the color can be as per Pantone, logo imprint available
Model No.: OSM-115
Features: Cast Iron Surface Table(Side Clamp Type)
*Material: FC300
*Heat treatment: Annealed
*Finish: Ground finish
Model No.: MR-SLH-0013
Features: Plastic novel Snail ruler
1.Colorful
2.funny
3.portable
Model No.: OS-129 Class 2
Features: Vee Block
*Hardened
*Material: SK-3
*JIS Type Class 2
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Features: Micrometer, Vernier Caliper, Dial Gauge, Height Gauge,