Precision CNC & Traditional Machining & Manufacturing Services


With more than 30 years of experience using precision lathes, mills, drills and saws to cut metal, the diversity of products, materials and sizes Blue Grass Manufacturing has made over the years in its machine shop is astounding.

Machined Parts, Industries Served, and Materials Used: 

We've made parts for a diverse collection of industries from Oil and Gas to Agricultural; Automotive to HVAC; Heavy Construction Equipment to Lighting.

We've machined: bar, tube, forgings, castings, and extrusions; mild, stainless and hardened steels; brass, aluminum and plastic to produce high tolerance surfaces at low cost.

Machining Capabilitites / Tolerances:

Our large machine park contains a great variety of Lathes and Mills of all sizes so that we always have the right equipment to do the job and can deliver highthroughput with short notice.

Heavy parts, hardened steels and tight tolerance don't scare us. Our skilled machinists think nothing of holding tolerances of ±0.001" (25µm) on a 10” (254mm) diameter part: tolerances so tight we have to control the part temperature during measurement! We can go to tighter tolerances, we can even compensate for dimensional changes during heat treat to deliver tolerance ±0.0004" on parts that grow during the heat treat process, an achievement that requires detailed study and highly knowledgeable engineers.

We work hard to understand what you want parts to do, support your engineers during the design process offering considerable engineering support and then develop a production process to deliver exactly what is wanted.

Large Machined Parts

Our 3-axis and 4-axis CNC milling centers are capable of machining parts as large as 35.43" (900 mm) in length, 23.62" (600 mm) in width, and 23.62" (600 mm) in height. Our CNC lathes have a maximum capacity of 21" (533 mm) for part diameter with a maximum length capacity of 30" (762 mm). We have cranes fitted at many of the machines to allow larger parts to be processed efficiently so we can handle heavy parts too!

Additional Services 

Additional services include welding, CMM inspection, and assembly, as well as all manner of outsourced processes such as heat treat, plating, grinding, painting and other secondary services sourced through our large network of suppliers. As a turnkey service provider, our capabilities range from single components to complete mechanical assemblies.

We are proud to be ISO 9001 certified and employ a Six Sigma black belt on staff. All necessary statistical data required for production part approval processes (PPAP), statistical process control reports (SPC), or other quality documentation can be provided on request.

For more information about our machining capabilities, see the table below or directly.


CNC Machining Project Showcase Examples

CNC & Traditional Machining Capabilities

Machining Processes Available
Thread Rolling
Equipment Capabilities
CNC Control Capabilities
Machinery Axis
4-Axis for Vertical & Horizontal Milling
3-Axis Turning
In-House Fixturing & Tooling
Part Diameter
Turning - 21" (533 mm)
Part Length
Milling - 35.43" (900 mm)
Turning - 30" (762 mm)
Part Width
Milling - 23.62" (600 mm)
Part Height
Milling - 23.62" (600 mm)
± 0.001" Typical
± 0.0004" Possible
Dependent on Material & Geometry
Materials We Work With
Stainless Steel
Engineered Plastics
Inspection Services Performed
Zeiss CMM
Additional Services Offered
Incoming Inspection & Sorting
Value Added Fulfillment
Production Volume
Low Volume
High Volume
100 Piece Minimum Typical
Lead Times Available
Quoted on Job by Job Basis

Additional Information

Industries Served
OHV (Off-Highway Vehicle)
Industrial Equipment
Intended Applications
Machine Components
Near Net Components
  • Castings
  • Forgings
  • Extrusions
Industry Standards Met
ISO 9001:2008
UL Compliant as Applicable
Six Sigma Black Belt Certification
Lean Manufacturing
File Formats Accepted