Grade A 9" x 12" Black Granite Surface Plate

SKU 303-9101

Grade A 9" x 12" Black Granite Surface Plate

Availability In stock

Shipping Ups Ground

$34.50
SKU 303-9101
Surface Plate - Length 9
Surface Plate - Width 12
Surface Plate - Thickness 3
Surface Plate - Grade A
number of ledges 2
Granite Color black
Accuracy +/- 0.00005
NIST Certificate no
with stands no
Full Details

Product Spotlight

  • Grade A Two Ledge
  • Meets or exceeds Federal Specification GGG-P-463C
    SHARS USA Manufacture Janpan Manufacure
  Shars Item No. Meets or Exceeds GGG-P-463C USA Standard Meets or Exceeds GGG-P-463C USA Standard Meets or Exceeds GGG-P-463C USA Standard7/16"
Tool Room No Ledge Size Grade B Flatness Bilateral Tolerance Flatness Bilateral Tolerance Flatness Bilateral Tolerance
9x12x2" 303-9102 ±0.0001"   ±0.0001"
12x12x2" 303-9104 ±0.0001 ±0.0001 ±0.0001
12x18x3" 303-9106 ±0.0001 ±0.0001 ±0.0001
18x24x3" 303-9108 ±0.00013 ±0.00013 ±0.00013
24x36x4" 303-9112 ±0.00017 ±0.00017 ±0.00017
36x48x4" 303-9116 ±0.00025 ±0.00025 ±0.00025
48x72x6" 303-9120 ±0.0005 ±0.0005 ±0.0005
48x96x8" 303-9122 ±0.00075 ±0.00075 ±0.00075
Inspection 2 Ledge Size Grade A      
9x12x3" 303-9101 ±0.00005"   ±0.00005"
12x18x3" 303-9105 ±0.00005 ±0.00005 ±0.00005
18x24x3" 303-9107 ±0.000065 ±0.000065 ±0.000065
24x36x4" 303-9111 ±0.000085 ±0.000085 ±0.000085
36x48x6" 303-9115 ±0.00015 ±0.00015 ±0.00015
48x72x8" 303-9119 ±0.0003 ±0.0003 ±0.0003
48x96x10" 303-9121 ±0.0004 ±0.0004 ±0.0004
Laboratory 2 Ledge Size Grade AA      
9x12x3"   ±0.000025"   ±0.000025"
12x18x3" 303-9131 ±0.000025" ±0.000025" ±0.000025"
18x24x3" 303-9132 ±0.000033 ±0.000033 ±0.000033
24x36x6" 303-9133 ±0.000043 ±0.000043 ±0.000043
36x48x6" 303-9134 ±0.000075 ±0.000075 ±0.000075

What's Included

  • Certificate of Accuracy

Reviews