Irwin 10239 Step Drill Bit, Self-Starting, 1/2', Size In=7/8 & 1-1/8

Highlights: 

• Size 7/8" & 1-1/8"
• Size KO=1/2 & 3/4
• Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
• Single-flute cutting edge for greater control through steps
• Patented single-flute cutting edge gives the user a true round hole every time
• 3 faltted shank prevents slipping in drill chuck
• New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
• Speed point tip provides faster initial penetration time and eliminates the need for center punching
• Single-fluted cutting edge assures true round holes and allows greater control with less vibration
• For drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood and laminates

Shipping calculated at checkout.

Not shipped to AK, AE, AA, AP, GU, HI, PR, VI.

Returns accepted within 30 days by mail. Return shipping is paid by the customer. See our refund policy.