Black Granite Surface Plate

The granite used for surface plates has an excellent distribution of hard quartz which provides a.
Black granite surface plate. Along with the high accuracies granite is rust proof non magnetic abrasive resistant non wedging wrap resistant and easily cleaned. This publication defines the three standard grades of tolerance for surface plates as follows. The hardness and stability allow accuracies within millionths of an inch. Grade b 9 x 12 black granite surface plate with anab accredited iso17025 certificate.
The quartz content of these granite surface plates increases the wear resistance of the plate as quartz is a harder stone. Hhip black granite surface plates various sizes. Free shipping on eligible orders. 12 x 9 x 3 48 x 72 x 6 by hhip.
Purchasing a used surface plate or used granite inspection table for sale on ebay can be an affordable way to equip your cnc shop with the necessary. The overall flatness specifications of standridge granite products meet and surpass the requirements set forth by the federal specification ggg p 463c and asme b89 3 7 2013. Hanes geo components 87459 erosion block 1 each. Black granite this type of granite is the preferred standard for granite surface plates due to its greater strength.
Hhip 4401 2418 black granite surface plate grade a ledge 0 24 length x 18 w 134 89 new hhip granite surface plate grade b ledge 0 4401 0011 12 x 9 x 3. Precise black granite surface plates. Hhip 4401 1812 black granite surface plate grade a ledge 0 18 length x 12 width x 3 height 000050 accuracy 80 lb. Use grade aa laboratory plates for precision operations in constant temperature gaging rooms and metrology departments.
What features should you consider when purchasing a used surface plate. Grade a 9 x 12 black granite surface plate. Some sizes are prime eligible. Solid granite surface plate and angle plates are used for precision layout inspection and tooling setup.
Surface plates come in grades of a aa b and ht200 for different applications. 4 7 out of 5 stars 89.