Surface Plates

We supply ultra-strong surface plates that verify flatness and serve as accurate reference planes for gages. The plates provide a completely flat base for taking height gage or dial indicator measurements. Our products feature tough materials that offer multiple advantages, from less maintenance to minimal thermal expansion. We also have durable plate covers to provide exterior protection. With a surface plate, you can determine if another surface is truly flat, or if it has curves, bowing or rounding. Instruments stands and base comparators also serve as accurate references for professional inspections.

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  1. Tru Stone - Starrett 81965
    Tru Stone - Starrett 81965 Three-Face Granite Tri-Square, Grade A,Inspection,12"x18"x4"
    Order #: G-81965
    Mfg #: 81965
    Availability: Ships in 2-3 weeks
    $1,805.00
    Three-Face Granite Tri-Square, Grade A,Inspection,12"x18"x4" Learn More
  2. Tru Stone - Starrett 81962
    Tru Stone - Starrett 81962 Three-Face Granite Tri-Square, Grade A,Inspection,9"x12"x3"
    Order #: G-81962
    Mfg #: 81962
    Availability: Ships in 2-3 weeks
    $1,418.00
    Three-Face Granite Tri-Square, Grade A,Inspection,9"x12"x3" Learn More
  3. Tru Stone - Starrett 81923
    Tru Stone - Starrett 81923 Five-Face Granite Master Square Grade A,Inspection,14"x14"x3"
    Order #: G-81923
    Mfg #: 81923
    Availability: Ships in 2-3 weeks
    $2,219.00
    Five-Face Granite Master Square Grade A,Inspection,14"x14"x3" Learn More
  4. Tru Stone - Starrett 81922
    Tru Stone - Starrett 81922 Five-Face Granite Master Square Grade AA,Laboratory,14"x14"x3"
    Order #: G-81922
    Mfg #: 81922
    Availability: Ships in 2-3 weeks
    $2,702.00
    Five-Face Granite Master Square Grade AA,Laboratory,14"x14"x3" Learn More
  5. Tru Stone - Starrett 81920
    Tru Stone - Starrett 81920 Five-Face Granite Master Square Grade A,Inspection,12"x12"x3"
    Order #: G-81920
    Mfg #: 81920
    Availability: Ships in 2-3 weeks
    $1,669.00
    Five-Face Granite Master Square Grade A,Inspection,12"x12"x3" Learn More
  6. Tru Stone - Starrett 81919
    Tru Stone - Starrett 81919 Five-Face Granite Master Square Grade AA,Laboratory,12"x12"x3"
    Order #: G-81919
    Mfg #: 81919
    Availability: Ships in 2-3 weeks
    $1,985.00
    Five-Face Granite Master Square Grade AA,Laboratory,12"x12"x3" Learn More
  7. Tru Stone - Starrett 81824
    Tru Stone - Starrett 81824 Cleaner (Case of 12 Plastic Quarts)
    Order #: G-81824
    Mfg #: 81824
    Availability: Ships in 2-3 weeks
    $169.00
    Cleaner (Case of 12 Plastic Quarts) Learn More
  8. Tru Stone - Starrett 81822
    Tru Stone - Starrett 81822 Cleaner,4-1Gal.Containers(Case)
    Order #: G-81822
    Mfg #: 81822
    Availability: Ships in 2-3 weeks
    $136.00
    Cleaner,4-1Gal.Containers(Case) Learn More
  9. Tru Stone - Starrett 81706
    Tru Stone - Starrett 81706 Four-Face Granite Parallel, Grade A,Inspection,24"x2"x4"
    Order #: G-81706
    Mfg #: 81706
    Availability: Ships in 2-3 weeks
    $2,219.00
    Four-Face Granite Parallel, Grade A,Inspection,24"x2"x4" Learn More
  10. Tru Stone - Starrett 81705
    Tru Stone - Starrett 81705 Two-Face Granite Parallel,Grade A,Inspection,24"x2"x4"
    Order #: G-81705
    Mfg #: 81705
    Availability: Ships in 2-3 weeks
    $1,900.00
    Two-Face Granite Parallel,Grade A,Inspection,24"x2"x4" Learn More
  11. Tru Stone - Starrett 81704
    Tru Stone - Starrett 81704 Four-Face Granite Parallel, Grade AA,Laboratory,24"x2"x4"
    Order #: G-81704
    Mfg #: 81704
    Availability: Ships in 2-3 weeks
    $2,546.00
    Four-Face Granite Parallel, Grade AA,Laboratory,24"x2"x4" Learn More
  12. Tru Stone - Starrett 81703
    Tru Stone - Starrett 81703 Two-Face Granite Parallel,Grade AA,Laboratory,24"x2"x4"
    Order #: G-81703
    Mfg #: 81703
    Availability: Ships in 2-3 weeks
    $2,154.00
    Two-Face Granite Parallel,Grade AA,Laboratory,24"x2"x4" Learn More
  13. Tru Stone - Starrett 81702
    Tru Stone - Starrett 81702 Four-Face Granite Parallel, Grade A,Inspection,18"x1.5"x3"
    Order #: G-81702
    Mfg #: 81702
    Availability: Ships in 2-3 weeks
    $1,175.00
    Four-Face Granite Parallel, Grade A,Inspection,18"x1.5"x3" Learn More
  14. Tru Stone - Starrett 81700
    Tru Stone - Starrett 81700 Four-Face Granite Parllel,Grade AA,Laboratory,18"x1.5"x3"
    Order #: G-81700
    Mfg #: 81700
    Availability: Ships in 2-3 weeks
    $1,499.00
    Four-Face Granite Parllel,Grade AA,Laboratory,18"x1.5"x3" Learn More
  15. Tru Stone - Starrett 81698
    Tru Stone - Starrett 81698 Four-Face Granite Parallel, Grade A,Inspection,12"x1"x2
    Order #: G-81698
    Mfg #: 81698
    Availability: Ships in 2-3 weeks
    $836.00
    Four-Face Granite Parallel, Grade A,Inspection,12"x1"x2 Learn More
  16. Tru Stone - Starrett 81696
    Tru Stone - Starrett 81696 Four-Face Granite Parallel, Grade AA,Laboratory,12"x1"x2"
    Order #: G-81696
    Mfg #: 81696
    Availability: Ships in 2-3 weeks
    $919.00
    Four-Face Granite Parallel, Grade AA,Laboratory,12"x1"x2" Learn More
  17. Mitutoyo 215-153-10
    Mitutoyo 215-153-10 Granite Comparator Stand 200 x 250 x 80mm Base
    Order #: 215-153-10
    Mfg #: 215-153-10
    Availability: Ships in 2-3 Weeks
    $997.00
    Granite Comparator Stand 200 x 250 x 80mm Base Learn More
  18. Mitutoyo 215-151-10
    Mitutoyo 215-151-10 Granite Comparator Stand 150 x 200 x 50mm Base
    Order #: 215-151-10
    Mfg #: 215-151-10
    Availability: In stock
    Special Price $916.65 Regular Price $917.00
    Granite Comparator Stand 150 x 200 x 50mm Base Learn More
  19. Starrett 83024
    Tru Stone - Starrett 83024 Vinyl Surface Plate Cover 24" x 24"
    Order #: 83024
    Mfg #: 83024
    Availability: Ships in 2-3 weeks
    $89.00
    Vinyl Surface Plate Cover 24" x 24" Learn More
  20. Starrett 82224
    Tru Stone - Starrett 82224 18"x24"Surface Plate Stand
    Order #: 82224
    Mfg #: 82224
    Availability: Ships in 2-3 weeks
    $695.00
    18"x24"Surface Plate Stand Learn More
  21. Mitutoyo 519-109-10
    Mitutoyo 519-109-10 Transfer Stand - RX
    Order #: 519-109-10
    Mfg #: 519-109-10
    Availability: Ships in 1-2 Weeks
    Special Price $646.02 Regular Price $647.00
    Transfer Stand - RX Learn More
  22. Mitutoyo 517-966
    Mitutoyo 517-966 Granite Plate Stand
    Order #: 517-966
    Mfg #: 517-966
    Availability: Item discontinued
    Special Price $1,705.26 Regular Price $1,758.00
    Granite Plate Stand Learn More
  23. Mitutoyo 517-961-1
    Mitutoyo 517-961-1 Granite Plate Stand
    Order #: 517-961-1
    Mfg #: 517-961-1
    Availability: Item discontinued
    Special Price $1,384.19 Regular Price $1,427.00
    Granite Plate Stand Learn More
  24. Mitutoyo 517-904
    Mitutoyo 517-904 Granite Plate Stand
    Order #: 517-904
    Mfg #: 517-904
    Availability: Item discontinued
    Special Price $436.50 Regular Price $450.00
    Granite Plate Stand Learn More
  25. Mitutoyo 517-900
    Mitutoyo 517-900 Granite Plate Stand
    Order #: 517-900
    Mfg #: 517-900
    Availability: Item discontinued
    Special Price $197.88 Regular Price $204.00
    Granite Plate Stand Learn More
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