20mm 3 Flute 45 Degree Helix Uncoated Solid Carbide Aluminium

Apparently End Mills are made to a Nominal Size ie a 20mm End Mill might be actually Where as Slot Drills are Made to a Truer Size ie a 16mm Slot Drill

All you need is a drill press, a HSS step drill bit, a file I Made an Easy Slot Cutting Template

borutoto slot Hertel 20mm 4 Flute HSS-E Uncoated Long Slot Drill Order Code CAA-22120J 3 In Stock Price £ £ Incl VAT Ex VAT Login Register for Customer

bima bet slot 20mm, 25mm, 26mm, 28mm, 2mm, , 30mm, 3mm, , 40mm, 4mm, , 5mm, , 6mm, , 7mm, , 8mm, , 9mm Clear HSS Slot Drills