# CTI-USA

> CTI-USA (Potesta Consulting Group LLC) is the North American sales, engineering and support partner of Capital Tool Industries (CTI), an ISO 9001-certified manufacturer of precision gear cutting tools since 1966, and the North American distributor and service contact for Eifco CNC gear hobbing and power skiving machines. From Hudson, Ohio we supply complete gear cutting solutions: the machine, the hobs and cutters that run on it, and resharpening and recoating for the life of the tool.

## What we supply (tooling, manufactured by Capital Tool Industries)
- Gear hobs for spur and helical gears, module 0.1–40 (120–0.7 DP), DIN 3968 class AA/A/B, single or multi-start, with protuberance, chamfer, topping and tip-relief modifications
- Gear shaper cutters (disc, hub/deep counterbore, shank, bell), module 0.5–20, up to 300 mm diameter, DIN 1829 class AA/A/B, including pre-shave and pre-grind cutters
- Broaches, push and pull: involute, parallel and trapezoidal spline, serration, round, hexagonal, rectangular, keyway, ratchet and special forms
- Gear milling cutters: involute gear cutters module 0.1–55 (single or sets of 8), form cutters, rack milling cutters (module 0.5–6, to 300 mm, class AAA/AA/A), spline and thread milling cutters, sprocket cutters
- Spline hobs to DIN 5480/5481/5482, NF E 22-141, ANSI B92.1, DIN 9611 (PTO shafts)
- Chain sprocket hobs to ANSI, BS, IS or custom, ground or unground profile
- Timing pulley hobs for classical trapezoidal belts (ISO 5294), metric T/AT (DIN 7721), and HTD, PowerGrip GT and Synchroflex forms to the belt maker's drawing
- Worm gear hobs, flank forms ZN, ZA, ZI, ZK, ZC up to 45° lead angle, bore or shank type
- Power skiving cutters (PM-HSS, coated) for Eifco E-skive machines
- Gear shaving cutters and bevel gear blades (for Gleason, Oerlikon, Klingelnberg and WMW machines) quoted on request
- Resharpening of hobs, shaper cutters and broaches in CTI-USA's Hudson, Ohio facility; PVD recoating by Kyocera or Oerlikon Balzers Coating USA, Inc.
- Heavy-duty tool storage cabinets and oak-top workbenches

## CNC machines (Eifco, distributed in North America by CTI-USA)
- CTI-USA is the North American distributor and service contact for Eifco CNC gear hobbing and power skiving machines (since 2026). Installation and operator training are performed by Eifco factory technicians and coordinated by CTI-USA. Delivery, warranty, service response and spare-parts arrangements are stated in writing on every quote.
- Eifco vertical CNC gear hobbing machines, Fanuc 0i-MF or Siemens Sinumerik CNC (specified at order), electronic gearbox, lead/span correction, crowning, cluster cycle; cut spur, helical, spline, sprocket and worm wheel:
  - HOBBER 150: 150 mm (5.9 in) workpiece, module 2.5, direct drive, 7/8 axes, 90 mm hob, 3,000 rpm, 15 kW
  - HOBBER 180: 180 mm (7.1 in), module 4, direct drive, 7/8 axes, 120 mm hob, 3,000 rpm, 18 kW
  - HOBBER 210: 210 mm (8.3 in), module 4, direct drive, 7/8 axes, 120 mm hob, 2,100 rpm, 29 kW
  - HOBBER 250: 250 mm (9.8 in), module 6, direct drive, 7/8 axes, 150 mm hob, 1,800 rpm, 29 kW
  - HOBBER 320/350: 320 or 350 mm (12.6/13.8 in), module 6, direct drive, 7/8 axes, 150 mm hob, 1,800 rpm, 36 kW
  - HOBBER 500: 500 mm (19.7 in), module 8, geared or direct drive, 6/7 axes, 180 mm hob, 400 rpm, 15 kW
  - HOBBER 630: 630 mm (24.8 in), module 10, geared, 6/7 axes, 180 mm hob, 400 rpm, 15 kW
- Eifco horizontal CNC gear hobbing machine HOBBER 150H: workpiece 90/120/200/300 mm, module 4, Fanuc 0i-MF (brochure specification)
- Eifco E-skive power skiving machines, 6-axis CNC for internal and external spur, helical and spline gears:
  - E-skive 250/320: 250 or 320 mm (9.8/12.6 in) workpiece, module 4, HSK-C100 spindle, 400 mm table, 2,900 rpm table, 3,000 rpm cutter, 12 t
  - E-skive 500: 500 mm (19.7 in), module 6, HSK-C160, 500 mm table, 1,000 rpm table, 2,200 rpm cutter, 16 t
- CTI-USA provides application review, quotation, installation and training coordination, spare parts and escalation to Eifco engineering, and supplies the CTI hobs and cutters for the machine
- Pages: https://www.cti-usa.co/cnc-gear-hobbing-machines and https://www.cti-usa.co/power-skiving-machines

## Materials and coatings
Tool steels: M2, M35, ASP 2030, ASP 2052, ASP 2060, S290 and S390 high-speed steels (conventional and powder-metallurgy).
Coatings: TiN, TiCN, TiAlN, AlCrN (Alcrona) and Altensa PVD coatings. Properly matched coatings typically extend tool life 3–8× versus uncoated tools.

## Quality
Capital Tool Industries is ISO 9001 certified, controls heat treatment and CNC relief grinding in-house, and inspects every tool on Klingelnberg gear measuring centers. An inspection report ships with each tool.

## Commercial
Typical lead time: 6–8 weeks, confirmed on every quote. Response to inquiries: within one business day. Pricing: Quoted per drawing in US dollars; no catalog pricing. Single tools are quoted; there is no minimum order. Payment: Wire/ACH, credit card, or purchase order with open account. Service area: United States, Canada and Mexico. Prints accepted: PDF, DWG, DXF, STEP, IGES or an image, up to 8 MB through the request form; larger files by email (ask for a transfer link over 20 MB). Resharpening and recoating: hobs, shaper cutters and broaches of any make; resharpening is done in CTI-USA's own Hudson, Ohio facility and PVD recoating by Kyocera or Oerlikon Balzers Coating USA, Inc.; turnaround 2–3 business days for resharpening plus about 3 business days for recoating. Purchase orders: Potesta Consulting Group LLC dba CTI-USA. Payment terms are stated on every quote; open account is available on approved credit (credit application on request). W-9 and the Capital Tool Industries ISO 9001 certificate are available on request.

## Contact
CTI-USA (Potesta Consulting Group LLC dba CTI-USA)
1239 Hudson Gate Dr., Hudson, OH 44236, USA
Phone: +1 330-962-8160 · Fax: +1 330-633-7745
Email: sales@cti-usa.co
Hours: Monday–Friday, 8:00 am–5:00 pm Eastern
Request a quote: https://www.cti-usa.co/contact
Privacy notice: https://www.cti-usa.co/privacy

## More detail
Full page-by-page summary with specifications and FAQs: https://www.cti-usa.co/llms-full.txt

## Free engineering tools
- Gear shaping cycle-time estimator: https://www.cti-usa.co/tools/#shaping
- Gear hobbing cycle-time estimator: https://www.cti-usa.co/tools/#hobbing
- Tool steel and coating selector: https://www.cti-usa.co/tools/#selector

## Product pages
- Gear Hobs: https://www.cti-usa.co/gear-hob-tooling — Spur and helical gear hobs, module 0.1–40, DIN 3968 class AA/A/B, single or multi-start, any profile modification. M2 to S390, TiN to Altensa. 6–8 weeks.
- Gear Shaper Cutters: https://www.cti-usa.co/gear-shaper-cutters — Disc, hub, shank and bell-type shaper cutters for internal and external gears and splines. Module 0.5–20, to 300 mm, DIN 1829 AA/A/B.
- Broaches: https://www.cti-usa.co/broach-tooling-manufacturer — Push and pull broaches for spline, serration, round, hex, rectangular, keyway and special forms, made to your part, machine and holder details.
- Sharpening & Recoating: https://www.cti-usa.co/sharpening-recoating — Gear hob, shaper cutter and broach resharpening in 2–3 days at our Hudson, Ohio facility, plus PVD recoating by Kyocera or Oerlikon Balzers Coating USA. Any make.
- Chain Sprocket Hobs: https://www.cti-usa.co/chain-sprocket-hobs — Roller chain sprocket hobs to ANSI, BS, IS or custom standards, ground or unground, single or multi-thread. M2 to S390 HSS. Lead time 6–8 weeks.
- Gear Milling: https://www.cti-usa.co/gear-milling — Involute gear cutters module 0.1–55, form cutters, rack milling cutters (module 0.5–6, class AAA/AA/A), spline and thread mills. Lead time 6–8 weeks.
- Spline Hobs: https://www.cti-usa.co/spline-hob-cutting — Spline hobs to DIN 5480/5482, ANSI B92.1 and DIN 9611, plus shaper cutters and broaches for internal splines. M2 to S390 HSS. Lead time 6–8 weeks.
- Timing Pulley Hobs: https://www.cti-usa.co/timing-pulley-hobs — Timing pulley hobs for classical trapezoidal (ISO 5294), metric T/AT (DIN 7721), HTD, PowerGrip GT and Synchroflex belts. M2 to S390 HSS. Lead time 6–8 weeks.
- Worm Hobs: https://www.cti-usa.co/worm-gear-hobs — Worm gear hobs for ZN, ZA, ZI, ZK and ZC flank forms to 45° lead, bore or shank type, topping or non-topping. M2 to S390 HSS. Lead time 6–8 weeks.
- Cabinets: https://www.cti-usa.co/gear-tooling-cabinets — Welded 1.2–2.0 mm steel tool cabinets with 220–440 lb drawer slides, anti-tip interlock and high-security locks, shipped assembled. Oak-top workbenches.
- CNC Hobbing Machines: https://www.cti-usa.co/cnc-gear-hobbing-machines — Eifco vertical and horizontal CNC gear hobbing machines, 90–630 mm, module 2.5–10, direct drive, Fanuc or Siemens CNC. Sold and supported in North America by CTI-USA.
- Power Skiving: https://www.cti-usa.co/power-skiving-machines — Eifco E-skive 6-axis power skiving machines for internal and external gears and splines to 500 mm, module 6. Sold and supported in North America by CTI-USA.

## Guides
- Selecting the Right Gear Shaper Cutter: https://www.cti-usa.co/blog/selecting-the-right-gear-shaper-cutter
- Selecting the Right Gear Hob: A Practical Guide for Gear Manufacturers: https://www.cti-usa.co/blog/selecting-the-right-gear-hob-a-practical-guide-for-gear-manufacturers
- CNC Gear Hobbing Explained: How the Process Works and Where the Hob Makes the Difference: https://www.cti-usa.co/blog/cnc-gear-hobbing-explained
- Adding CNC Gear Hobbing Capacity: What to Ask Before You Buy a Machine: https://www.cti-usa.co/blog/adding-cnc-gear-hobbing-capacity
- Hobbing, Shaping or Broaching? Choosing the Process Before You Choose the Tool: https://www.cti-usa.co/blog/hobbing-vs-shaping-vs-broaching
- Resharpen or Replace? The Cost-per-Gear Math for Hobs, Shaper Cutters and Broaches: https://www.cti-usa.co/blog/resharpening-vs-replacing-gear-cutting-tools

## Partners
Capital Tool Industries (tooling; all CTI tools are made here): 7-A Industrial Estate, Patiala 147001, Punjab, India. https://capital-tool.com/
Eifco Machine Tools Pvt. Ltd. (machines): No. 50 Vadakku Thotta Paguthi, SF 815 Idikarai Village, Coimbatore 641022, Tamil Nadu, India.