just use standard round twist drills
0mm) Bore (d) 1" Grind COMB- Combination Saw Blades Hook Angle - 2° Technology Carbide Tipped Material Soft Wood
4mm) Bore (d) 5/8" Grind ATB- Alternate Top Bevel Hook Angle - 6° Technology Carbide Tipped Material Veneers
More Information Tool ID 12-24-RIPX Brand Dimar Trade Industrial Diameter 12" Teeth 24 Kerf (B)
More Information Tool ID N7R19-20N Brand Dimar Trade Industrial Diameter (D) 20mm Shank (d) 3/4" Cutting Length (B) 30mm Overall Length (L) 110mm Technology Carbide Inserts Material Veneers
12" Dia, Carbide Tipped, Metal Cutting Saw Blade, 80 Teeth, ATB kitchen knive just use standard round twistDescription Dimar's Industrial Multi purpose metal cutting saw blades are ideal for cutting Ferrous metals (up to 25 Hrc). Our Metal Saw blades are equipped with an alternate top bevel design for a high finishing. For Cuts most Ferrous Materials: Aluminum, wood, and composite material. Use on Miter Saw, Radial Arm Saw, Stationary Table Saw More Information Tool ID 12 80 MET Brand Dimar Trade Industrial Diameter 12" Teeth 80 Kerf (B) . 094 (2. 4mm)