Bordo 4 Piece HSS Metric Reduced Shank Drill Set

Bordo 4 Piece HSS Metric Reduced Shank Drill Set

• 118° notched point 30° helix
• 1/2" Reduced Shank

DRILL BIT SURFACE TREATMENT
Bordo reduced shank HSS drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating. This surface aids chip flow and heat dissipation. The drill is then ground a second time to achieve a bright finish on the shank and cutting edges.

Includes:

• 1 x 16mm
• 1 x 18mm
• 1 x 22mm
• 1 x 25mm