R7A1-18

Irwin – R7A1-18

• Diameter – 1-1/8″

 

• Flute Length – 5″

 

• Overall Length – 7-1/2″

 

• Shank Size – 7/16″ hex

-Single cutter and side lip effortlessly bores holes in wood where nails may be encountered. Cuts nails without damaging the bit.
-Full-length heat treatment guards against bending in heavy duty applications and strengthens the twist where the greatest strain occurs.
-Hollow center flute clears chips quickly out of holes.
-Wide lands help keep the bit straight as the bit bores.
-Medium fast screw point ideal for general wood boring applications.
-Bits can be resharpened