5/16 TO 9/16 STEP DRILL - KnKut

KnKut | 5/16 TO 9/16 STEP DRILL | KK4SR516916 | KnKut 5/16 - 9/16 Hole Expansion Step Reamer

USA Made KnKut Step Reamers accurately starts on contact and enlarges and deburrs holes in material up the 1/2 thick. Gold Oxide treatment enhances lubricity, reduces friction and increases toughness.

Key Features

• Made In USA
• Size Range: 5/16 - 9/16
• 90° Notch Point starts holes easily
• 5 hole enlargement steps
• 3/8 Shank Diameter
• 3-Flats on Shank

Applications

• Drilling
• Enlarging
• Deburring

Benefits

• Accurately starts on contact
• Enlarges and deburrs holes
• Gold Oxide treatment enhances lubricity, reduces friction and increases toughness