Starrett M42 Bimetal blades have a flexible steel backer with a very hard cobalt steel edge designed to cut steel and other metals - providing long life and effectiveness even in demanding production applications.

Select your number of teeth per inch for best cutting performance. You can always contact us for a specific recommendation, but our basic recommendations are listed below.

Material Thickness to cut - Recommended teeth per inch:

Under 1/4" thick - 18 to 24
1/4" - 1/2" thick - 14 to 18
1/2" - 1" thick - 10 to 14
1" - 2" thick - 6
2" - 3" thick - 4
Over 3" thick - 3 or less