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Surface Plates
Plates | Surface Plate Covers | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rectangular Plate | Rectangular Plate with Two Ledges | ||||||||||||||||
Flatness Tolerance | Lg. | Wd. | Ht. | Color | Specs. Met | Mil. Spec. | Certificate Type | Wt., lb. | Each | Wt., lb. | Each | Each | |||||
Laboratory-Grade AA Plate | |||||||||||||||||
Black Granite | |||||||||||||||||
| 0.00005" | 6" | 4" | 2" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 7 | 2245A101 | 0000000 | — | ——— | 0 | ——— | 0 | ||
| 0.00005" | 12" | 8" | 2" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 28 | 2245A81 | 000000 | — | ——— | 0 | 22455A101 | 0000000 | ||
| 0.00005" | 18" | 12" | 4" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 93 | 2245A39 | 000000 | 83 | 2245A72 | 0000000 | 22455A64 | 00000 | ||
| 0.000075" | 24" | 18" | 4" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 185 | 2245A41 | 000000 | 175 | 2245A53 | 000000 | 22455A65 | 000000 | ||
| 0.0001" | 36" | 24" | 6" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 601 | 2245A42 | 00000000 | — | ——— | 0 | 22455A66 | 000000 | ||
| 0.0002" | 48" | 36" | 6" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 1,203 | 2245A82 | 00000000 | — | ——— | 0 | 22455A67 | 000000 | ||
Granite | |||||||||||||||||
| 0.00005" | 18" | 12" | 4" | Red | ASME B89.3.7 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 84 | 2245A105 | 00000000 | — | ——— | 0 | 22455A64 | 00000 | ||
| 0.000075" | 24" | 18" | 4" | Red | ASME B89.3.7 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 168 | 2245A106 | 00000000 | — | ——— | 0 | 22455A65 | 000000 | ||
Inspection-Grade A Plate | |||||||||||||||||
Black Granite | |||||||||||||||||
| 0.0001" | 6" | 4" | 2" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 7 | 2245A102 | 000000 | — | ——— | 0 | ——— | 0 | ||
| 0.0001" | 12" | 8" | 2" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 28 | 2245A83 | 000000 | — | ——— | 0 | 22455A101 | 000000 | ||
| 0.0001" | 18" | 12" | 4" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 93 | 2245A43 | 000000 | 83 | 2245A46 | 000000 | 22455A64 | 00000 | ||
| 0.00015" | 24" | 18" | 4" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 185 | 2245A44 | 000000 | 175 | 2245A47 | 000000 | 22455A65 | 000000 | ||
| 0.0002" | 36" | 24" | 6" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 555 | 2245A45 | 00000000 | 530 | 2245A48 | 00000000 | 22455A66 | 000000 | ||
| 0.0004" | 48" | 36" | 6" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 1,110 | 2245A56 | 00000000 | 1,063 | 2245A49 | 00000000 | 22455A67 | 000000 | ||
Granite | |||||||||||||||||
| 0.0001" | 12" | 8" | 2" | Red | ASME B89.3.7 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 20 | 2245A104 | 000000 | — | ——— | 0 | 22455A101 | 000000 | ||
Toolroom-Grade B Plate | |||||||||||||||||
Black Granite | |||||||||||||||||
| 0.0002" | 6" | 4" | 2" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 7 | 2245A103 | 000000 | — | ——— | 0 | ——— | 0 | ||
| 0.0002" | 12" | 8" | 2" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 21 | 2245A23 | 000000 | — | ——— | 0 | 22455A101 | 000000 | ||
| 0.0002" | 18" | 12" | 3" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 70 | 2245A24 | 000000 | 66 | 2245A62 | 000000 | 22455A64 | 00000 | ||
| 0.0003" | 24" | 18" | 3" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 139 | 2245A21 | 000000 | 130 | 2245A63 | 000000 | 22455A65 | 000000 | ||
| 0.0004" | 36" | 24" | 4" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 370 | 2245A26 | 000000 | 357 | 2245A64 | 000000 | 22455A66 | 000000 | ||
| 0.0008" | 48" | 36" | 6" | Black | ASME B89.3.7, ISO 10012 | Fed. Spec. GGG-P-463 | Accuracy Certificate Traceable to NIST | 1,203 | 2245A38 | 00000000 | — | ——— | 0 | 22455A67 | 000000 | ||
Granite Surface Plate Stands
For Plate | For Rectangular Plates | For Rectangular Plates with Two Ledges | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Load Cap., lb. | Ht. | Material | Each | Each | ||||
Rolling | |||||||||||
| 18" | 12" | 3", 4" | 400 | 36" | Painted Steel | 2196A711 | 0000000 | 2196A712 | 0000000 | ||
| 24" | 18" | 3", 4" | 500 | 36" | Painted Steel | 2196A721 | 000000 | 2196A722 | 000000 | ||
| 36" | 24" | 4", 6" | 1,200 | 36" | Painted Steel | 2196A731 | 00000000 | 2196A732 | 00000000 | ||
| 48" | 36" | 6" | 2,400 | 36" | Painted Steel | 2196A741 | 00000000 | 2196A742 | 00000000 | ||
Stationary | |||||||||||
| 18" | 12" | 3", 4" | 400 | 36" | Painted Steel | 2196A811 | 000000 | 2196A812 | 000000 | ||
| 24" | 18" | 3", 4" | 500 | 36" | Painted Steel | 2196A821 | 000000 | 2196A822 | 000000 | ||
| 36" | 24" | 4", 6" | 1,200 | 36" | Painted Steel | 2196A831 | 000000 | 2196A832 | 000000 | ||
| 48" | 36" | 6" | 2,400 | 36" | Painted Steel | 2196A841 | 00000000 | 2196A842 | 00000000 | ||
Surface Plate Covers
Granite Surface Plate Cleaners
Granite Inspection Setup Blocks
Tolerance | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Lg. | Wd. | Ht. | Squareness | Parallel | Material | Certificate Type | Pair | |||
Sold as Matched Pair | |||||||||||||
Inspection-Grade A Plate | |||||||||||||
| 1" | 3" | 2" | -0.0002" to 0.0002" | -0.0002" to 0.0002" | -0.0002" to 0.0002" | 0.0001" | 0.0001" | Black Granite | Accuracy Certificate Traceable to NIST | 8140N102 | 0000000 | ||
Laboratory-Grade AA Plate | |||||||||||||
| 1" | 3" | 2" | -0.0001" to 0.0001" | -0.0001" to 0.0001" | -0.0001" to 0.0001" | 0.00005" | 0.00005" | Black Granite | Accuracy Certificate Traceable to NIST | 8140N101 | 00000000 | ||

































