Wood Drill Bits

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job hand requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job at hand requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

The improved SPEEDBOR Spade Bits now last 2X Longer and cut 2X Faster. Next-generation SPEEDBOR Spade Bits feature a chamfered cutting edge for durability in cutting wood and optimized point tip that is wider and longer than previous IRWIN spade bits to minimize splintering and control speed. Patented Blue-Groove cutting edge allows for a large cutting area for aggressive removal of wood chips and fast drilling.

The improved SPEEDBOR Spade Bits now last 2X Longer and cut 2X Faster. Next-generation SPEEDBOR Spade Bits feature a chamfered cutting edge for durability in cutting wood and optimized point tip that is wider and longer than previous IRWIN spade bits to minimize splintering and control speed. Patented Blue-Groove cutting edge allows for a large cutting area for aggressive removal of wood chips and fast drilling.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

No matter what wood-boring project you face, IRWIN makes a drill bit to do the job better. Whether the job requires quick, clean holes or precise finish work, there's an IRWIN bit for it. Our mark of quality is stamped on the shank of our full range of bits for every application and every need.

Irwin® Speedbor® 44801 Adjustable Drill Press Wood Bit, 5/8 to 1-3/4 in Dia, 5-1/2 in OAL, 9/32 in Shank

Irwin® Speedbor® 39106 P818R Wood Installer Bit With Coolant Hole, 3/8 in Dia, 18 in OAL, 4 in L, 0.37 in Shank

Irwin® Speedbor® 3041019 MAX SPEED™ Standard Length Spade Bit, 1-1/8 in Dia, 6 in OAL, 2-7/8 in L Flute Tapered Flute, 1/4 in Shank

IRWIN marples wood drilling Forstner bits are constructed of tough carbon steel to stay sharp and produce precise pocket holes and flat-bottomed (Blind) holes. The ultra-sharp cutting teeth feature optimized angles to cut through hard and soft woods in significantly less time than traditional Forstner bits. With a reduced shank, they fit 3/8" and larger drills and drill presses. These wood drill bits are ideal for fine woodworking, cabinet-making and more.

#I-100, 1" Solid Center Auger Bit, 4-1/2" Twist Length, 7-1/2" Overall Length, Provides Extra Rigidity While Boring, Wide Lands Keep The Bit Straight As It Bores Through The Hole, The Flutes Are Ground Behind The Lands To Funnel The Chips To The Inside Of The Bit & Away From The Outside Diameter, Producing A Faster Cleaner Cut, Single Spur Cutting Edge Scribes The Circumference Of The Hole For A Smoother Finis, Course Screw Point Provides Fast Boring In Hard & Soft Woods, Full Length Heat Treated Bit Guards Against Bending In Heavy Duty Applications & Strengthens The Twist Where The Greatest Strain Occurs, Pouched.

Irwin® 49915 I-100 Full Length Auger Bit, 15/16 in Dia, 7-1/2 in OAL, 4-1/2 in L Spiral Flute, 5/16 in Shank

This IRWIN Power Drill I-100 Auger Drill Bit has a solid-center design to provide added rigidity while boring. The wide lands on these drill bits keep the bit straight as it bores through the hole. The flutes are ground behind the lands to funnel chips to the inside of the auger bit and away from the outside diameter, producing a faster, cleaner cut. Each step drill bit has a single-spur cutting edge that scribes the circumference of the hole for a smoother finish. These IRWIN drill bits have a full-length heat treatment to guard against bending in heavy-duty applications.

Built to guard against bending, the 13/16 in. Solid Center Auger with Cutting Spur is a full-length, heat-treated bit made for heavy-duty applications. The coarse screw point provides fast boring in soft and hard wood, while the single cutting spur scribes the circumference of the hole for an overall smooth finish. And the solid center design adds extra rigidity for smooth, straight drilling.

Engineered for soft and hard wood, the 3/4 in. Solid Center Auger with Cutting Spur adds versatility to your tool box. Full-length, heat-treating strengthens the twist for bend resistance on demanding materials, improving overall bit durability and life. The single cutting spur scribes the outside of the hole allowing for faster drilling with clean holes and a smooth finish. And a solid-center design helps with smooth, straight drilling and increased durability.

Made with a strengthened twist for bend resistance, the 5/8 in. Solid Center Auger with Cutting Spur excels in demanding applications. The single cutting spur scribes the outside of the hole for faster drilling with clean holes and a smooth finish. Created for soft and hard wood, get increased durability and smoother, straight drilling with the solid-center design.

Full length heat treated bit with wide lands keep the bit straight as it bores through the hole. The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter. Single spur cutting edge Scribes the circumference of the hole; coarse screw point provides fast boring in hard and soft woods. All bits have a 4-1/2" Twist length and a 7-1/2" Overall length.

Take on soft and hard wood with the 7/16 in. Solid Center Auger with Cutting Spur designed with a coarse screw-point for faster drilling. Get increased durability and smooth, straight drilling with the solid-center design. It has a strengthened twist for bend resistance in demanding applications, while the single cutting spur scribes the outside of the hole for faster drilling, clean holes, and an overall smoother finish.