Irwin 3-Pc. SPEEDBOR MAX Flat Bit Set 5/8 In. 3/4 In. 1 In.
This drill bit designed for wood boring projects. It features high grade durable construction.
IRWIN 3-pack tri-flute bit set includes 5/8-in Speedbor Max, 3/4-in Speedbor Max and 1-in Speedbor Max, perfect for wood drilling applications
Tri-Flute design for faster chip ejection
Cutting spurs have 3 cutting edges for added durability
Screw tip allows bit to self-feed for ease of use
Grooved hex shank prevents slipping in drill chuck or bit extension
Fits all standard 1/4 In. quick change chucks