Black Granite Surface Plate
• Natural granite seasoned for thousands of years is free from deterioration or dimensional change over time. • Granite surface plates have many advantages over cast iron surface plates: Twice as hard as cast iron. Minimal changes in dimension due to temperature changes. Free from wringing, so there is no interruption of work. Free from burrs or protrusions because of the fine grain structure and insignificant stickiness; this ensures a high degree of flatness over a long service life and causes no damage to other parts or instruments. • Trouble-free operation for use with magnetic materials. Black Granite Surface Plate SERIES 517
• Long life and rust-free, resulting in low maintenance costs. • Mitutoyo granite surface plates meet or exceed federal specification GGG-P-463c. Each surface plate is shipped with a Certificate of Accuracy which guarantees its accuracy and verifies its traceability to NIST. • All plates from 48”x108” and larger are machine base gray granite. Smaller plates are black granite. • Surface plates, to size of specifications other than standard, available by special order. • All Mitutoyo surface plates shipped F.O.B. Santa Fe Springs, CA
Cast iron surface plate
Granite surface plate
E
SPECIFICATIONS Inch
100 lbs.-Load / sq. ft. no ledge
AA Laboratory Grade
A Inspection Grade
B Shop Grade
Size
H Acc.* Order No. Wt. (lbs) H Acc.* Order No. Wt. (lbs) H Acc.*
Order No. Wt. (lbs) 517-900-10 25 517-901-10 30 517-902-10 50 517-903-10 100 517-904-10 100 517-905-10 200 517-906-10 200 517-908-10 400 517-909-10 650 517-911-10 1000 517-913-10 700 517-914-10 1200 517-915-10 1900 517-916-10 2300 517-917-10 1500 517-918-10 2525 517-919-10 3050 517-921-10 5150
517-700-10 30 517-701-10 40 517-702-10 50
517-800-10 25 517-801-10 40 517-802-10 50
8 x 12” 3” 50 9 x 12” 3” 50 12 x 12” 3” 50 12 x 18” 4” 50 18 x 18” 4” 50 18 x 24” 4” 65 24 x 24” 5” 70 24 x 36” 6” 85
2” 100 3” 100 3” 100
2” 200 2” 200 3” 200
517-703-10 100 4” 100 517-704-10 150 4” 100 517-705-10 200 4” 130 517-706-10 310 4” 140 517-708-10 600 5” 170
517-803-10 100 4” 200 517-804-10 150 3” 200 517-805-10 200 4” 260 517-806-10 259 3” 280 517-808-10 500 4” 340 517-809-10 800 5” 600 517-811-10 1000 6” 600 517-813-10 780 5” 400 517-814-10 1200 6” 600 517-815-10 2350 8” 800 517-816-10 2850 8” 1000 517-817-10 1525 6” 800 517-818-10 3150 8” 1000 517-819-10 3800 8” 1200 517-821-10 6050 10” 1600
24 x 48” 8” 150 517-709-10 1000 6” 300 30 x 48” 8” 150 517-711-10 1300 6” 300 36 x 36” 6” 100 517-713-10 900 5” 200 36 x 48” 8” 150 517-714-10 1500 6” 300 36 x 60” 12” 200 517-715-10 2850 10” 400 36 x 72” 12” 250 517-716-10 3400 10” 500 48 x 48” 8” 200 517-717-10 2025 6” 400 48 x 60” 12” 250 517-718-10 3800 10” 500 48 x 72” 12” 300 517-719-10 4500 10” 600 48 x 96” 14” 400 517-721-10 7000 12” 800
* Accuracies shown in microinches (µin)
Where to Buy
E-47
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