Precision Capital LTD is the Parent Company of RW Screw LLC. (Massillon, Ohio), K&Y Manufacturing LLC. (Canton, MI) and Metal Seal Precision (Mentor, Ohio)

Complex Motor & Transmission Shafts, Hydraulic & Motion Control Components, Firearm Machined Parts, etc.

Cook-Leitch Inc. has proudly provided the technical sales, account development and program management role since 1973.

K&Y Mfg. (Canton, MI)--Davenport machines & Euroturns

RW Screw (Massillon, OH)--Schutte Multiple Spindles--up to 52mm diameter

CNC’s with Bar-Feeders--Swiss Style, Citizen, Traub, Deco, EMCO, Index, etc. machining centers for Low-to-Mid Volume Quantities.

 Multiple Spindle Screw Machines--Acme's, CNC Schutte's, Euro-Turn's, BTB Turning Center, ZPS' CNC machines & Davenport Machines for Mid-to-High Volume Quantities.






Hydromat' Rotary Transfer Machines for Dedicated High-Volume Programs.




Machining & Manufacturing Capabilities:

  • CNC Screw Machines--Up to 52mm (2.047") diameter

  • Multiple Spindle Machining Centers--Up to 72mm (2.80") diameter

  • Davenport Multiple Spindle Machines--.125" (3.175mm) up to .875" (22.23mm) for round diameter, and up to 1" (25mm) for hex diameter.

  • Hydromat Rotary Transfer Machines--Up to 32mm (1.260") diameter.

Materials & Grades of Steel:

  • 12L14 and 1215

  • Steel Alloys

  • Stainless Steels

  • Brass

  • Aluminum

  • Non-Metallics

Extensive Secondary Equipment

  • Precision Centerless Grinding--Thru-Feed & In-Feed, and ID Grinding.

  • Broaching & Milling

  • Rack-Rolling, Thread-Rolling, Knurling, Splining, & Gear-Hobbing

  • Vertical & Horizontal Machining Centers

  • Cross-Hole Drilling Machines--Custom-built in-house (Hydraulic/Fluid Power applications)

  • Honing & Reaming

  • Gun-Drilling 

  • Ultra-Sonic Cleaning & Parts Washing

  • Anodizing 

  • Citric Passivating of Stainless Steel Parts

  • Specialty Packaging

Our Competitive Edge:

  • Unparalleled Bench Strength--350 customer-focused associates knowledgeable in raw materials, machining & automation, outside processes, & logistics.

  • Superior Technical Expertise--Unique capability to partner in a value-engineered approach to reduce costs & maximize efficiencies.

  • Customer' Application Knowledge--We understand the application and expectations of our machined component within a customer' assembly.

  • Commitment to Technology--Ongoing investment in machine tools & robotics to maintain market competitiveness.

  • Multiple Manufacturing Locations & Diverse Range of Machine Tools

    • We can support proto-types, development phase thru ramp-up and full-production capacity.

  • Vertically Integrated--Unmatched array of machine tools for primary & secondary operations "under one roof" to maximize competitiveness and reduce lead-times.  

  • Excellent Rapport with Supply Chain Partners--70+ years of industry experience producing a wide-variety of complex products which has earned the highest respect of suppliers and customers.

Our Quality System:

  • RW Screw and Metal Seal Precision are IATF16949-registered and K&Y Mfg. is ISO9001:2015.

  • All facilities maintain a disciplined Advanced Product Quality Planning (APQP) approach to assure a "successful product launch".

  • All Quality Labs are equipped to measure:

    • Heat-treat hardness & case depth​

    • Plating thickness

    • Roundness (TIR)

    • Surface Finish ​​

  • Other Quality Highlights:

    • Robust gage calibration system--all plants

    • Centerless grinding Column Gages 

    • Smart Scope measuring devices

    • Eddy-Current machines

    • Comparators throughout our facilities

    • Customer' specific gages, inspection plans & equipment

Contact Us or Fill out the Form for More information

Jeff Leitch


Dan Leitch


Julie Templeton

Office: 440-356-5552

20545 Center Ridge Road - Suite #200 Rocky River Ohio 44116

RW Screw. Hydraulic Components. Spools

Valve, Fittings, Poppets, Cartridges, Housings, Armatures, Machined Hydraulic Sensors, Spools,