Solid granite surface plate and angle plates are used for precision layout inspection and tooling setup.
Granite surface plate grade b.
Use grade aa laboratory plates for precision operations in constant temperature gaging rooms and metrology departments.
The granite surface plates that we offer are manufactured to meet or exceed the tolerances specified by federal specification ggg p 463c.
Weight 4 7 out of 5 stars 119 114 95.
A this is an inspection grade granite surface.
The granite used in a granite surface plate is graded by quality with these four levels of quality.
Or equivalent national or international organization complies with ansi ncsl z540 1and iso 10012.
For shop work and production checking.
Repeat measurement accuracy material properties of surface plate granites.
Aa this is a laboratory grade granite surface.
Tool room grade b laboratory grade aa x 4.
In addition to flatness asme b89 3 7 2013 federal specification ggg p 463c address topics including.
9x12x3 b0 precision granite b grade tool room surface plate 9 x 12 x 3 the 9x12x3 b0 precision granite b grade tool room 9 x 12 x 3 surface plate is on sale at gaging.
Standridge calibration certificate is included with every surface plate guaranteeing overall flatness and repeat gage measurements.
B this is a toolroom grade granite surface.
For general use in quality control areas b toolroom grade.
Grades of granite to consider when looking at a granite surface plate for sale.
Hhip 4401 1812 black granite surface plate grade a ledge 0 18 length x 12 width x 3 height 000050 accuracy 80 lb.
For standard sized surface plates we guarantee flatness tolerances that exceed the requirements of this specification.
Surface plates come in grades of a aa b and ht200 for different applications.
Use grade aa laboratory plates for precision operations in constant temperature gaging rooms and metrology departments.
Solid granite surface plate and angle plates are used for precision layout inspection and tooling setup.