• Commercial Quality Flat Windows
• Precision Flat Windows
• Precision Wedge Windows
• Brewster Angle Laser Windows

Circular, BK7 Optical Glass

Diameter Tolerance +/- 0.125 mm Thickness Tolerance +/- 0.125 mm Surface Accuracy ~5 wave per inch Surface Quality 60-40, scratch-dig or better Parallelism <15' Edges Fine ground and beveled

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Diameter, mm (inches) Thickness, mm (inches) Part Number Price Each (USD) In Stock Quantity to Order Add to Cart               12.7(1/2") 1.0(0.04") P905040 5 Yes               12.7(1/2") 1.59(1/16") P905063 5 Yes               12.7(1/2") 3.18(1/8") P905125 5 Yes               12.7(1/2") 4.76(3/16") P905188 5 Yes               12.7(1/2") 6.35(1/4") P905250 5 Yes               12.7(1/2") 9.53(3/8") P905375 5 Yes               12.7(1/2") 12.7(1/2") P905500 6 Yes               19.05(3/4") 1.0(0.04") P907040 6 Yes               19.05(3/4") 1.59(1/16") P907063 6 Yes               19.05(3/4") 3.18(1/8") P907125 6 Yes               19.05(3/4") 4.76(3/16") P907188 6 Email               19.05(3/4") 6.35(1/4") P907250 6 Yes               19.05(3/4") 9.53(3/8") P907375 7 Email               19.05(3/4") 12.7(1/2") P907500 7 Yes               25.4(1") 1.0(0.04") P910040 7 Yes               25.4(1") 1.59(1/16") P910063 7 Yes               25.4(1") 3.18(1/8") P910125 7 Yes               25.4(1") 4.76(3/16") P910188 7 Yes               25.4(1") 6.35(1/4") P910250 8 Yes               25.4(1") 9.53(3/8") P910375 8 Yes               25.4(1") 12.7(1/2") P910500 9 Yes               31.75(1 1/4") 1.0(0.04") P912040 8 Yes               31.75(1 1/4") 1.59(1/16") P912063 8 Yes               31.75(1 1/4") 3.18(1/8") P912125 8 Yes               31.75(1 1/4") 4.76(3/16") P912188 8 Email

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