R---Rough : 30# 40# 50#
M---- Mid : 60# 70# 80# F---- Fine : 100# 120# 150# Life span: R----Rough ≈ 10,000~200,000m2 M---- Mid ≈ 200,000~250,000m2 F---- Fine ≈ 250,000~350,000m2 * Fastening: Depending on the machine. * Other sizes are available upon request. |
L=300~1200 mm
D=215±6 mm d=70, 90 mm etc H≈15 mm W≈10 mm Spirals: 5/7 |