Starrett Black Granite Surface Plates
Choose grade a and aa surface plates in 4 6 8 10 and 12 thicknesses and various surface dimensions.
Starrett black granite surface plates. 000050 0 0012mm flatness unilateral tolerance. 15 why are black plates thinner than granite plates of the same size. Starrett precision granite surface plates provide a reference plane for work inspection and for work layout their high degree of flatness overall quality and workmanship also make them ideal bases for mounting sophisticated mechanical. Use granite angle plates to clamp and hold work in a vertical position.
Precision surface plates a0105201description01. Grade a inspection plates work fine for general quality control. Great surface hardness and wear resistance the highest percentage of quartz crystals of any granite plate. Grade a inspection plates work fine for general quality control.
Use granite angle plates to clamp and hold work in a vertical position. 12 x 12 300mm x 300mm superior black granite surface plate with a 4 100mm thickness. Superior black granite has low water absorption creates little glare and minimized thermal expansion grade aa laboratory grade for precision operations in constant temperature gaging rooms and metrology departments. A our black surface plates have a significantly higher density and are up to three times as stiff.
Free shipping on many items. Various sized grade b tool room surface plates measure 4 6 8 and 10 thick. Starrett granite surface plate 927464 18 x 12 x 4 1 2 350 00. Quality and economy combined.
Black granite surface plate grade a ledge 0 18 x 12 x 3 sharpening stone. Smooth jewel like quartz bearing points protect accuracy and finish of both the surface and the tools used on it.