The cutters sit slightly proud of the hole saw body, minimizing contact with the work so there’s less friction and risk of burning. The set comes with a standard 3/8" hex-shank mandrel and two HSS pilot bits, supplied in a fitted aluminum case to keep everything organized. Combining real utility, reliable quality and a great price, this set is excellent value. Available while stock lasts. Limited quantities.

A shipping surcharge applies in addition to our regular shipping and handling fee. For shipments outside of Canada or areas not served by regular ground shipping, our Customer Service Department will confirm the shipping charge.

​These Tungsten Carbide Inserts have high hardness, strength, abrasion resistance and corrosion resistance, widely used in the manufacture of cutting tools, tools, cobalt and wear-resistant parts.

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For example: When the rotating speed is 280rev/min and the diameter of work piece is 150mm, the cutting speed should equals to 132(m/min)

The Tungsten Carbide Inserts is mainly used for CNC machining center and CNC engraving machine. It can give a long service with very low maintenance cost. Every details reflect our exquisite workmanship. We can provide you with this product in a large quantity at wholesales price. And if you buy our products, we will give you our best after-sales service!

These Tungsten Carbide Inserts have high hardness, strength, abrasion resistance and corrosion resistance, widely used in the manufacture of cutting tools, tools, cobalt and wear-resistant parts. It is also widely used in military, aerospace, mechanical processing, metallurgy, oil drilling, mining tools, electronic communications, construction and other fields. Our Tungsten Carbide Inserts can be supplied in different specification to meet different requirements. Please let us know if you are interested!

Hole saws may not be the sort of tool you use often, but when the need arises – as it almost inevitably will – having the right size can really save the day. With all the standard sizes* typically used for plumbing, wiring, doorknobs, and even ductwork up to 4" in diameter, this seven-piece set is an excellent price for carbide-tipped tools, which stay sharp much longer than common bimetal hole saws.