Soviet Boring Bar / Indexable Tool Holder 18mm x 99mm Synthetic Diamond Inserts

Condition: New

Soviet Boring Bar / Indexable Tool Holder 18mm x 99mm with ASPK-2 Synthetic Diamond Inserts (20 pcs) - USSR Carbide Tool

This is an original Soviet-era precision cutting tool (likely a boring bar or internal turning tool) manufactured in the USSR.

Specifications (from the original note):

Shank diameter (D): 18 mm
Overall length (L): 99 mm
Insert type: Cylindrical synthetic diamond inserts ASPK-2
Insert dimensions: Ø 4 mm × height 4.5 mm
Quantity of inserts included: 20 pieces
What is ASPK-2?
ASPK-2 (АСПК-2) is a high-quality polycrystalline synthetic diamond material of the "carbonado" type, produced in the Soviet Union (mainly at the Poltava Diamond Plant). It is one of the superhard materials (comparable to natural diamond in hardness but often superior in toughness and impact resistance).
These tools were designed for high-precision finishing and fine machining of:

Non-ferrous metals (aluminum, copper, brass)
Composites, fiberglass, plastics
Ceramics and other abrasive materials
Key advantages of ASPK-2 inserts:

Extremely high wear resistance and tool life (many times longer than conventional carbide)
Excellent surface finish quality
Suitable for high-speed cutting

The inserts are original and unused. There is a set screw hole for secure clamping.
Perfect item for machinists, tool collectors, hobbyists, or anyone restoring Soviet machinery. A rare and high-quality piece of Soviet engineering!

Please Note:

All items are shipped directly from Ukraine, so delivery may take a little longer than domestic shipping. Every order is carefully packed, and tracking is provided whenever available.
My VAT registration is currently being processed and will be available soon.
I specialize in new old stock (NOS) industrial tooling, including a large selection of made in the USSR tools, as well as premium tools from Germany, Japan, the USA, Italy, and other leading manufacturers.
I offer a wide range of drills, taps, dies, end mills, reamers, centre drills, countersinks, measuring tools (micrometers, calipers, gauges), and many other metalworking tools.
I have a very large inventory, and not everything is listed yet. If you are looking for a specific tool, please send me a message—I may already have exactly what you need.
A large shipment of tooling will soon be transferred to Ireland, making many popular items available for faster local delivery. This includes drills, taps, dies, end mills, reamers, centre drills, countersinks, and measuring instruments. If you're interested in any of these products, feel free to get in touch now.

Thank you for your interest, and I look forward to helping you find the right tooling for your needs.