Product Description
Made by G & J Hall in Sheffield
Two flute design gives balanced cut
lobed shank for non-slip grip in 3 jaw chuck
Drills its own starting hole
Size 1/4" to 3/4"
Step increment 1/16"
Maximum material thickness 1/8"
Shank fits 3/8" chuck
Drilling speed for ferrous metals 200-600rpm
Drilling speed for non-ferrous metals 500-1500rpm