Specification - ASME / ANSI B1.16-M BS: 3643 BS 919 - 3 DIN ISO 1502 - (DIN 13) IS 4218 Manufacturing Range - Ø 3.0mm to 400mm & pitch / lead covered are 0.35 mm to 12.7 mm. Used – Metric Gauges are mostly used in the Automobile, Aerospace, Defence.