What we do

Founded in 1991, TAC Rockford | Transatlantic Connection provides products and engineering services to manufacturers.

Machine tool gauges

Machine Tool Gauges

TAC Rockford offers a variety of preventative maintenance gauges designed to detect problems in machining centers and turning machines before they become serious. Products include the ForceCheck gauge for measuring tool holder clamping force, spindle run-out test bars, and spindle and tool holder dimensional gauges.

Tool holder products


Tool Holders

Specializing in holders for unique and demanding applications, TAC Rockford offers standard and custom tool holders for the HSK and other tool tapers, specializing in high-tech tool holder systems such as heat shrink technology. In addition, we offer tool holder blanks for manufacturers of custom holders.

Machine tool accessories


Machine Tool Accessories

Our unique machine tool accessories improve productivity on the shop floor. Products include tool holder balancing systems, workpiece set-up indicators, tool holder heat shrink systems, tool holder and spindle cleaning tools, tool mounting fixtures, tool storage systems, and innovative machine setup indicators. 

HSK taper products

HSK Tool Taper Products for Machine Users

Developed by a research consortium, the HSK tool taper standard was developed in the 1990s to address the new and demanding requirements of high-tech, high-speed machine tools. TAC Rockford has been involved with the HSK tooling system since its inception. We offer everything for the HSK machine  user including standard and custom tool holders, coolant tubes, all required gauges, taper cleaning products, tool storage systems, tool holder balancers, and our expertise. No other company offers more products and experience for HSK.


Picture of machine tool power drawbar

Machine Components

Transatlantic Connection engineers and integrates custom solutions of components from globally-recognized names in the machine tool industry. Products include power drawbar systems, manual HSK clamping systems, DIN 69002 standard and custom spindles, tool changers and tool changer components, Hirth couplings, rotary unions, cooling systems, pallet change systems, and other unique products. 


Global parts service

Global Parts Service

From hard-to-find pumps, gearboxes, and motors to brakes, springs, or anything else, Transatlantic Connection can supply virtually any replacement part from European and Asian manufacturers rapidly and at a reasonable cost. Our prices are quoted for shipment from Rockford, IL. There are no language or cultural barriers, no difficulties with customs clearance, no hassles with payments in foreign currency, and no unexpected costs. Should you need anything "European" we can usually help. With our extensive network and connections we can meet your needs. 


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