Starrett 80886 Crystal Pink Granite Surface Plate, Grade A Inspection, 2 Ledge, 30" x 48" Surface Size, 8" Thickness. Starrett 81654 Straight Edge For Granite Surface Plate, Grade A Inspection, 3" Length, 12" Width, 72" Thickness.
Granite Surface Plate Calibration - Dimensional GaugeThere are four grades of surface plates. Laboratory grade AA and A, Room Inspection Grade B, and the fourth is Workshop Grade. Grades AA and A are the flattest with a flatness tolerances better than 0.00001 in for a Grade AA plate. Workshop Grades being the least flat and as the name suggests, they are intended for use in tool rooms.
The granite used in a granite surface plate is graded by quality, with these four levels of quality:AA - This is a laboratory-grade granite surface. A - This is an inspection-grade granite surface. B - This is a toolroom-grade granite surface.
Precision Granite FAQs - L. S. Starrett CompanyTake as an example, a 36 X 48 Inspection Grade A surface plate, which meets ONLY the flatness specification of.000300". If the piece being checked bridges several peaks, and the gage being used is in a low spot, the measurement error could be the full tolerance in one area, 000300"!
Starrett Inspection Surface Plates MSCDirect18" Long x 18" Wide x 4" Thick, Granite Inspection Surface Plate - A Inspection Grade, 0.0001" Unila
Dec 28, 2019 · Standard surface plate sizes are 18 x 24 in., 24 x 36 in., 36 x 48 in. and 48 x 72 in, but you can get most any size custom made if need be. I have an A Grade 24 x 36 in A Class granite surface plate for my metrology needs.
Surface Plates - DoallDoALL granite surface inspection plate gauge 6" x 12" x 2" Grade A. Some small nicks(see photo) We ship to USA or Canada. We do combine won auctions for shipping savings. Please notify if you wish to wait on an ongoing auction. We accept paypal. Thanks for your business.
Surface Plates - L. S. Starrett Company--itemid:1121561--listprice:0--promoprice:-1--uom:Ea--webprice:-1--webstatus:UNPUBLISHED a0105101Title:Surface Plates a0105201Description01:Products and services range from standard surface plates and metrology accessories to engineering collaboration for unique solutions and complex assemblies.Skilled technicians build your product in our state-of-the-art, environmentally controlled
Granite surface plates and tables are a must for accurate measurement and provide a stable environment for inspection. They are free from temperature distortion and offer an exceptionally sturdy measuring environment due to their thickness and weight.. Our granite surface tables are supplied with a high-quality box section support stand for easy levelling with five adjustable points of support
shars - Surface PlatesSave Item. SKU 303-9191. Grade B 12" x 18" Black Granite Surface Plate With ANAB Accredited ISO17025 Certificate. $168.30. Page 288. Save Item. SKU 303-9192. Grade B 18" x 24" Black Granite Surface Plate With ANAB Accredited ISO17025 Certificate. $268.35.Surface Plates - Grainger Industrial SupplyGrade A (Inspection Grade) surface plates are built to a medium tolerance of flatness and repeatability. They have either four flat edges or have ledges on two of the sides that creates an overhang for clamping, supporting, and securing objects. These plates are commonly used as a reference surface to inspect tools, instruments, and mechanical parts.