SPECIFICATION
DIAMETER          CUTTINGWIDE          BORE PATHWAY          TOOTH AMOUNT
INCH METER               mm                                 mm
4' ' 110mm                 1.8-2.0                             18/20                          20T 30T 40T
6' ' 160mm                 1.8-2.2                             20/25.4                  30T 40T 50T 60T
7''  180mm                 1.8-2.2                             20/25.4                  30T 40T 50T 60T
8' ' 205mm                 2.4-3.0                             20/25.4                  30T 40T 60T 80T 100T
9' ' 230mm                 2.4-3.0                             20/25.4                  40T 60T 80T 100T
10' ' 255mm               2.6-3.0                             25.4/30                  40T 60T 80T 100T 120T
12' ' 305mm               2.6-3.0                             25.4/30                  40T 60T 80T 100T 120T
14' ' 355mm               2.6-3.0                             25.4/30                  40T 60T 80T 100T 120T
16' ' 405mm               3.0-3.2                             25.4/30                  40T 60T 80T 100T 120T
18' ' 455mm               3.0-3.2                             30/32                     40T 60T 80T 100T 120T
20' ' 505mm               3.0-3.2                             30/32                     40T 60T 80T 100T 120T