Standard Specifications Diameter: 0.995" +/- 0.005" Thickness: 0.060" +/- 0.005" Surface Quality: 20/10 S & D Surface Accuracy: 1/4 over 85% clear aperature Edge Bevel: 0.010" Maximum @ 45° P2S: Polished two sides Quantity: Volume Discounts available Custom: VPG manufactures precision windows with varying thickness, dimensions, materials, flatness and surface finish.
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