Effective at taking out bolts. Nice well designed holder. A good set for standard projects. Bits do not tend to get as hot as others while drilling. Makes holes fast and easily. With lubricant they work well on hard metals.
Some customers feel like these bits dull too quickly.
Cobalt alloy can handle high heat. Works well on metal or wood. Price is good for the quality of the drill bits. Strong bits you can depend on. Cut fast. Comes with a lifetime warranty.
These bits do still dull after a certain amount of use.
Made from 5% cobalt. Bits are well made and may exceed your expectations for the price. Can cut through steel. Comes with a steel case for the drill bits. Fast cutting tools.
While the case these bits come in is metal, the interior holder is plastic.
Cuts through stainless steel and other metals. Sharp cutting edge. Seem to stay sharp through many uses. Made with good materials. Comes at a good price. Metal case with metal holders inside the case.
This is only a 15-piece drill bit set and does not include all the sizes of other sets.
Made from steel. Has a tip made from very strong titanium. Good bits for the money. Decent durability on the bits. Can handle heavy use. Strongly built and well engineered. Can also work on wood or other materials.
While these metalworking bits will work well on wood, they are not rated for masonry use.
We purchase every product we review with our own funds — we never accept anything from product manufacturers.
Metalworking drill bits require something different than typical multi-purpose or wood bit sets. Due to the harder materials, drill bits made for metalworking come in titanium nitride, tungsten carbide, or cobalt high speed steel. These denser metals can resist the toughness of regular steel, stainless steel, and aluminum as well as the greater temperatures and abrasion. Cobalt HSS is common for heavy metalworking using cast iron, bronze, and cast steel as well. As a result, drill bit sets that come in cobalt HSS will be more expensive than other options but will be the best for a high-quality, lasting set.
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