HD - Heavy Duty

"The Blade That Could." Use to cut thick and very hard wood. Offset teeth. For more information, read Choosing A Blade. Each package includes 12 blades. All blades are 5” in length with plain ends (no pins). All specified measurements are in inches. Model Width Thickness TPI Rev Teeth Drill Bit HD 0.100 0.022 10 No 1/8* *Drill bit size is the smallest bit suggested; use larger bit when possible for ease.