DIMENSION TABLE (unit: mm) Nominal Size-D D1 D2 200 250 350 250 305 400 300 360 450 350 410 500 400 460 550 450 510 600 Standard   ISO, JIS, BSMA Material   Al.-alloy or Brass G l a s s   Toughened, Double glazed, Laminated, etc DIMENSION TABLE (unit: mm) Nominal Size-D D1 D2 200 250 350 250 305 400 300 360 450 350 410 500 400 460 550 450 510 600 Standard   ISO, JIS, BSMA Material   Al.-alloy or Brass G l a s s   Toughened, Double glazed, Laminated, etc DIMENSION TABLE (unit: mm) Nominal Size-D   D1 200 250 250 305 300 360 350 410 400 460 450 510 Standard   ISO, JIS, BSMA Material   Al.-alloy or Brass & Steel G l a s s   Toughened, Double glazed, Laminated, etc DIMENSION TABLE (unit: mm) Nominal Size-D   D1 200 250 250 305 300 360 350 410 400 460 450 510 Standard   ISO, JIS, BSMA Material   Al.-alloy or Brass & Steel G l a s s   Toughened, Double glazed, Laminated, etc DIMENSION TABLE (unit: mm) Nominal Size-D   D1 250 394 300 444 350 494 400 544 450 594 500 644 Standard   ISO, JIS, BSMA Material   Al.-alloy or Brass & Steel G l a s s   Toughened, Double glazed, Laminated, etc