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HHIP 24 x 18 x 3 GRADE A GRANITE SURFACE PLATE (4401-2418)

HHIP 24 x 18 x 3 GRADE A GRANITE SURFACE PLATE (4401-2418)

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  • Hhip Grade A Granite Surface Plate 4401
    36.95
    LittleMachineShop

    Hhip Grade A Granite Surface Plate 4401

    30-day returns

  • Hhip Granite Surface Plate Grade 4401
    40.47
    eBay

    Hhip Granite Surface Plate Grade 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    40.47
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    57.99
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    58.99
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    60.59
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    61.99
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    62.89
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip Grade A Granite Surface Plate 4401
    62.99
    eBay

    Hhip Grade A Granite Surface Plate 4401

    Delivery date & cost shown at checkout

  • Hhip 4401-0011 Granite Surface Plate Grade B Ledge 0 12" x 9" x 3"
    69.76
    eBay

    Hhip 4401-0011 Granite Surface Plate Grade B Ledge 0 12" x 9" x 3"

    Free delivery by Mon, Nov 4

  • 4401-1599 12" X 9" X 2" Granite Surface Plate, Grade B, 0 Ledge
    77.99
    eBay

    4401-1599 12" X 9" X 2" Granite Surface Plate, Grade B, 0 Ledge

    Delivery date & cost shown at checkout

  • 18 x 12 x 3 GRADE A GRANITE SURFACE PLATE (4401-1812)
    88.86
    eBay

    18 x 12 x 3 GRADE A GRANITE SURFACE PLATE (4401-1812)

    Delivery date & cost shown at checkout

  • Hhip Grade Granite Surface Plate 4401
    104.54
    eBay

    Hhip Grade Granite Surface Plate 4401

    Free delivery by Dec 11Not eligible for returns

  • HHIP 4401-0011 Granite Surface Plate Grade B Ledge 0 12 x 9 x 3
    105.06
    eBay

    HHIP 4401-0011 Granite Surface Plate Grade B Ledge 0 12 x 9 x 3

    Delivery date & cost shown at checkout

  • Hhip 4401-0011 Granite Surface Plate Grade B Ledge 0 12" x 9" x 3"
    106.12
    eBay

    Hhip 4401-0011 Granite Surface Plate Grade B Ledge 0 12" x 9" x 3"

    Free delivery by Fri, Jan 31

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Product Details

The top surface of this plate is precision ground to achieve a high degree of flatness and the accuracy is +/-.000050". It is a Grade A (Grade 0) plate. Granite surface plates meet or exceed Federal Specifications GGG-P-463C and it includes a certificate of inspection. (Note that these are not NIST traceable.) Granite plates are used for measuring the flatness and squareness of other objects, laying out parts, calibrating instruments, setting up tools, checking parallelism and perpendicularity, and measuring heights with the use of a height gage. They are also used as a work surface for assembling, inspecting, and marking parts. Non-magnetic and non-conductive. Harder than steel and does not nick or burr. Surface plates are offered by HHIP in various sizes, with different levels of flatness and accuracy and are checked by an auto collimator for overall accuracy assurance.

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