33/64 - 1 1/4 Fractional High Speed Steel 1/2” Reduced Shank Twist Drills (click for size options) Size:43/64 (17.06mm) Fractional HSS 1/2” Reduced Shank Twist Drill 6mm 1/4" Hex Shank Diamond

6mm 1/4" Hex Shank Diamond Core Drill

Includes 1 pin to suit the cutters

When using left hand drills ENSURE THE DRILL IS SET TO REVERSE

Shallower flutes achieve a stronger cross section allowing the tap to withstand greater cutting forces

33/64 - 1 1/4 Fractional High Speed Steel 1/2” Reduced Shank Twist Drills (click for size options) Size:43/64 (17.06mm) Fractional HSS 1/2” Reduced Shank Twist Drill 6mm 1/4" Hex Shank DiamondReduced shank HSS twist drill. 118 notched point with 30 helix. Notched point is a variation on the standard chisel point, providing faster starting and reduced drill wander. 118 point angles are ideal for use in materials such as mild steel and cast iron. The 118 point creates easily controlled chips which are wide and thin. Bordo reduced shank HSS drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting