Complete set comes with all of the bore bars and tools and accessories necessary for most lathing setups. For work with steel and hard alloys. Comes with a handy wooden bar organizer.
The cutting heads may require occasional reshaping after extended use.
9-piece set features various bar lengths and diameters for different bore holes. Carbide tip is gentle enough to work with softer metals without destroying the finished product.
Cutting heads require a light touch with minimal pressure while boring into hard metals.
Small boring bars make it easy to create tight or narrow bore holes in dense materials. Steel construction offers plenty of machining use before starting to dull or break.
The set lacks the necessary inserts. Will need to grind down the bore bars for the best fit on most machines.
6-inch length and three-eighths inch diameter offer good reach for deeper bore holes. Hardened steel will last a while before needing attention. Can be used for finishing bore holes.
Use on steel may be slower and less accurate than more premium bore bars.
Shank design makes it easy to set positive and negative rake. Easy to replace cutting head with new inserts. Comes with a foam padded case for protecting the bar set.
Bore bars may require some modifications depending on the specific project.
Boring bars are a common tool used to make existing holes bigger and are an essential tool in machining. Steel and carbide constructions are common materials. Steel boring bars may need to be reshaped after moderate use, but carbide bars are stiffer and therefore result in more chatter. You will need different lengths and diameters for different jobs, so consider sets with a range of boring bar dimensions and ratios. Some sets may require slight adjustments to fit your tools and your needs. Ensure that the boring bar set you select is the right fit for the materials you typically work with and will provide a smooth cut without damaging the material.
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