Continental Diamond Tool Buys PG&F Superabrasives
The acquisition adds Pennsylvania and Colorado facilities to the family-owned Indiana grinding wheel maker's North American footprint.
Updated on Nov. 6, 2026 in Manufacturing
Continental Diamond Tool Corp. has acquired PG&F Superabrasives from Nimbus, a Dutch-German investment firm, and announced completion of the deal on November 2, 2026. Terms of the transaction were not disclosed.
Why it matters
Demand for precision grinding is growing in aerospace, defense, electronics, semiconductors, medical and advanced ceramics, where manufacturers require tighter tolerances and higher productivity. The acquisition extends Continental Diamond Tool's strategy in that market.
Continental Diamond Tool has served its markets since 1973 and now operates manufacturing sites in Indiana, Pennsylvania, Colorado and the United Kingdom. The transaction's purchase price and the acquired business's revenue were not disclosed.
The players
Continental Diamond Tool Corp.
A family-owned American manufacturer of precision superabrasive grinding wheels and dressing tools, headquartered in New Haven, Indiana, and serving customers since 1973.
Nimbus
A Dutch-German investment firm focused on industrial and manufacturing companies, which owned PG&F Superabrasives before the sale.
The details
PG&F Superabrasives will continue to operate under its own name as part of Continental Diamond Tool, with customers receiving a single point of contact for sales and application engineering. The Royersford site adds precision plating and dressing tools, 3D-printed vitrified bond wheels and industrial abrasive compounds, while the two Montrose facilities add small-wheel solutions for CNC round tool manufacturing and large-wheel solutions for centerless and double-disc grinding.
Timeline
November 2, 2026: Continental Diamond Tool announces completion of the PG&F Superabrasives acquisition.
Market Landscape
The deal consolidates precision superabrasive capacity in North America as manufacturers in aerospace, defense, semiconductors and medical devices press for tighter tolerances. Winterthur Technology Group, a Nimbus portfolio company, is expected to gain a stronger North American presence through Continental Diamond Tool's role as exclusive distributor of its precision conventional bonded abrasives.
Customers of PG&F Superabrasives will continue to buy under the same brand but now deal with a single point of contact for sales and application engineering. Manufacturers sourcing precision grinding wheels in North America may see a broader product range from one supplier.
The takeaway
Consolidation among specialized abrasive suppliers can simplify sourcing for precision manufacturers, but buyers should confirm how product lines and service terms change after an acquisition. Ask suppliers directly whether pricing, lead times and technical support will shift.
Further reading
For more on the industry, see Manufacturing coverage across the United States.
Source note: This article includes information reported by Industrial Distribution.
