Vintage USSR Diamond Grinding Wheel Cup 12A2-45 150x10x32x3 mm Grit 50/40 NOS

Genuine vintage Soviet-era (USSR) diamond cup grinding wheel, manufactured by LPO "Almazinstrument" according to GOST 16172-80. New old stock (NOS) in original box. Markings on the wheel body perfectly match the factory label. Ideal for fine sharpening, finishing, and lapping of carbide tools, cutters, and inserts.

Specifications:
Shape / Type: 12A2-45 (Flaring Cup Wheel / Tapered Diamond Cup)
Dimensions: 150 x 10 x 32 x 3 mm (Outer Diameter x Diamond Width x Bore Size x Diamond Thickness)
Diamond Type & Grit: AC50 / Grit size 50/40 microns (Fine grit for finishing and final sharpening)
Bond Type: B2-01 (Phenolic Organic Resin Bond)
Diamond Carat Weight: 29.0 Carats (Concentration 2 — 50%)
Year of Manufacture: 1992
If you only need a diamond blade for one, two, or a few occasional jobs, you may find cheaper alternatives.

But if you're looking for a genuine, professional-quality diamond blade built for serious work, this is the one for you.

Authentic Soviet-era production. Brand new, unused and preserved in excellent condition. A genuine professional tool, not a cheap disposable alternative.

Please review the detailed photos carefully to assess the condition of the actual item you will receive.