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24"x36" Grade B Black Granite Surface Plate product photo
255115
190pc Precision Steel Pin Gauge Set product photo
255040
Price
$ 668.99
$ 119.32
Product ID255115255040
Short Description• Brand: STM
• Color : Black
• Material : Granite
• Overall Unilateral Flatness Tol. (Decimal Inch) : ±0.0002
• Download catalog page		• Brand: STM
• Finish : Bright
• Model Number : P-1
• Download catalog page
Long Description• Length (Inch): 36"
• Width (Inch): 24"
• Thickness (Inch): 4"
• Grade: B
• Number of Ledges: 0
These plates are made of the highest quality - True Black - Fine Grained - Non-porous - Jewel Hardness - Granite available to give years of long lasting service. Specifications: Compressive Strength 7329 lbs. / sq.in, Water Absorptivity 0.13%. These plates have no ledge.		• Minimum Diameter (Decimal Inch): 0.061
• Maximum Diameter (Decimal Inch): 0.25
• Tolerance Type: Minus
• Number of Pieces: 190
• Hardness: heat treated to a hardness of 60-62 Rockwell C Drill Rod
• All members 2" long, centerless lapped
• Size Electro etched in each piece
• Finish: Each gauge inspected and has 10 micron finish or better
• Deluxe box with insert
• Tolerance: Minus -0.0002"/+0.0000
Manufacturer NameSTMSTM
Manufacturer SKU
Specific Attributes