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Drill Bits, Saw Blades and Bit Sets

Twist and masonry drill bits, hole saws, saw blades, driver bit sets, screw extractors and sharpening stones for drills, saws and grinders. 5,493 products from $0.31 to $2,665.99. M.A. Ford, Cleveland, Chicago-Latrobe and more.

5,493 products from $0.31

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Drill bit material and coating: matching steel to the job

Bits are made from different steels for different jobs. High speed steel drills wood, plastic and mild steel, and a titanium nitride coating, gold in color, cuts friction and wear. Cobalt steel stays hard at high temperature, which suits stainless steel and other tough alloys. Carbide-tipped bits are for masonry, and spear-point glass and tile bits cut brittle surfaces. Check the bit type against the material before the bit set count.

Sets are described by piece count, size system and case. Fractional inch, numbered and metric sets are not interchangeable in the sizes they cover, so confirm which system a set uses. Driver bit sets list the tip types, such as Phillips, slotted and Torx, and a magnetic holder helps with small screws. Hole saws pair a cup of a given diameter with an arbor, and depth and tooth type should suit the material.

Saw blades, extractors and sharpening: sizes that must match

Saw blades are chosen by diameter, tooth count, arbor hole and material. A 40-tooth blade is a common compromise between cutting speed and finish on a 12 inch circular saw; fewer teeth rip fast, more teeth leave a smoother cut. Reciprocating blades are listed by length, teeth per inch and shank style. The arbor hole and shank must fit your tool, and the blade's maximum speed must exceed the saw's.

Screw extractors and left-hand drill bits remove damaged fasteners: drill a pilot hole of the size the extractor requires, then turn counter-clockwise with steady pressure. Extractors are hard and brittle, so avoid excessive force. Sharpening stones come with coarse and fine faces for restoring edges on chisels and knives. Use oil or water as the stone requires, and keep the angle steady.

Questions about Drill Bits, Saw Blades and Bit Sets

Which drill bit should I use on stainless steel?
Use a cobalt steel bit, which keeps its hardness at high temperature. Drill at low speed with firm, steady pressure and cutting oil, and avoid letting the bit rub without cutting, because stainless work-hardens and dulls the bit. Start with a small pilot hole for larger sizes.
How many teeth should a circular saw blade have?
About 24 teeth rip along the grain quickly and roughly, 40 teeth suit general cutting, and 60 teeth or more give a smoother cut across the grain and in sheet material. Check the diameter, arbor hole and maximum speed against your saw.
How do I use a screw extractor without breaking it?
Drill the pilot hole to the size the extractor specifies, centered in the screw. Tap the extractor in, then turn counter-clockwise slowly with steady pressure. Apply penetrating oil first on rusty fasteners. If it binds, stop; forcing it can snap the hardened tip inside the hole.