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Machinists and metalworkers, this Accusize 3/8 inch HSS tool set is exactly what you need for precision internal work.

The 6-piece set includes everything for threading and boring operations: boring bars, 60° internal threading tools, 55° inside threading tools, plus tool blocks and holders to keep everything organized.
The 3/8 inch shank size is versatile for most applications, and the high-speed steel (HSS) construction means these tools retain their hardness even at high temperatures - crucial for consistent performance.

They work with most materials including steel, brass, aluminum, plastic, and wood, making this a truly versatile set for any shop.

The included holder keeps your tools organized and ready for action.

Whether you're doing production work or one-off projects, having the right internal tools makes all the difference in finish quality and efficiency.

The HSS material allows for finer, smoother cuts compared to cheaper alternatives, and they hold an edge well with proper maintenance.
Using quality cutting fluids will extend their life even further.

If you're tired of struggling with inadequate tools or want to step up your internal machining capabilities, this set delivers professional-grade performance without the professional price tag.

The comprehensive selection means you're covered for most common internal threading and boring tasks.

Seriously, for the price, you're getting a solid set that will handle most shop needs reliably.
4 out of 5