Description:

The Irwin R17A1-516 Auger Bit is engineered for clean, efficient wood boring in demanding jobsite conditions. With a 1-5/16" diameter and 12" flute length, this bit is ideal for drilling deep holes in framing lumber, construction timbers, and other wood materials — including nail-embedded wood.

The single cutter and side lip design provides smooth cutting performance and allows the bit to cut through embedded nails without damaging the cutting edge. Full-length heat treatment strengthens the bit and reduces bending in heavy-duty applications, especially where the greatest strain occurs.

A hollow center flute clears chips quickly to improve drilling speed, while wide lands help guide the bit for straighter, more accurate holes. The 7/16" hex shank ensures a secure, slip-resistant fit in standard power drills and impact tools.

Specifications:

• Model: R17A1-516

• Diameter: 1-5/16"

• Flute Length: 12"

• Overall Length: 17"

• Shank Size: 7/16" Hex

• Pack Size: 1, 3 & 24

• Application: Wood boring (nail-embedded wood capable)