The purpose of the hole affects bit choice. ![]() This means a titanium or black oxide coating is appropriate for hardwood. You can drill softer wood with steel (although we’d recommend HSS for any job) but as the hardness increases, it must be matched by bit hardness. Drilling a soft pine will be much easier on a drill bit than drilling a hard hickory. The wood type makes a significant difference in bit choice. Wood species are divided into the two general categories of softwoods and hardwoods, but there is also much hardness variation within those categories. Some Tips Before You Begin Drill in Wood Know the General Wood Type We’ve written about black oxide coating and have reviewed the best drill bits as well as the best drill bits for metal. ![]() Knowing the Many Types of Wood Drilling Bitsīefore we get to drill bit types, you should be familiar with the various treatments drill bit manufacturers use to increase bit life and reduce friction. Drill bits are made from steel, high-speed steel (HSS)-which is steel alloyed with tungsten and/or molybdenum, HSS with a cobalt alloy, HSS with titanium coating, HSS with black oxide coating, or carbide tipped.ĭrill bits appropriate for wood drilling are steel, HSS, titanium coated, and black oxide coated. Those other bits work best for metals. ![]() Installer Bits (Also Bell Hanger or Fishing Bits).Brad Point (Bradpoint) Wood Drilling Bit.Some Tips Before You Begin Drill in Wood.Knowing the Many Types of Wood Drilling Bits.
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