Duffin’s Highly Flexible Machining Capabilities

Duffin Manufacturing has 50 years of experience producing high-quality turned parts. Our advanced machining services combine innovative technologies with cost-effective solutions to give your business a competitive advantage.

We offer a broad range of materials and machine sizes to accommodate all of your metal machining needs.

Materials Used at Duffin

  • Aluminum
  • Brass
  • Low Lead Brass
  • Carbon & Alloy Steel
  • Copper
  • Stainless Steel
  • Plastics
  • Tubing

Machine Capacities

  • ⅛” – 2½” – CNC machines
  • ½” – 1⅝” – (1) Spindle screw machine
  • ⅛” – 1¼” – (6) Spindle screw machine
  • ½” – 1¼” – (8) Spindle screw machine
  • 1¼” – 2¼” – (6) Spindle screw machine

Our machining process yields precision parts that meet your design and production requirements. Each raw material offers a variety of options to fulfill your part specifications.

Brass Machining

Brass Machining

Brass is a popular material due to its strong maleability and relatively low cost. It is used in many commercial applications and can also be used for decorative or low friction components.

Stainless Steel Machining

Stainless Steel Machining

Stainless steel performs well in high wear, harsh environments due to its resistance to oxidation and corrosion. It requires little maintenance and has a beautiful luster, making it ideal for many applications.

copper Machining

Copper Machining

Copper is a great choice for many applications because of its strength, corrosion resistance and machinability. Copper has excellent conductivity, allowing its use in electrical applications.

Copper Machining

Aluminum Machining

Aluminum is very lightweight, making it ideal for many industries such as aerospace and automotive. It is reliable for maintaining its shape, strength and ductility.

Click here to view a sampling of the high-value components that we manufacture for diverse industries.

Value-Added Services from Duffin

In addition to our machining capabilities, we offer many value-added services.


Duffin uses in-line cellular manufacturing to process jobs requiring multiple operations. This approach equates to lower inventory levels, less work in process, improved quality control and shorter lead times – all adding up to more competitive pricing for you.

Reliable, Precision Machining

We craft complex components and offer competitive solutions to fulfill your business needs. Contact our manufacturing professionals to receive a quote for your next project.

Product SamplesVIEW MORE

8-SCREW-MGas Convector Steel Zinc Plate Screw Machine 8-Spindle Large Hex Mat'l - 4
Water Fitting Stainless Steel Pipe Thread AWWA Thread Screw Machine High/Low Vol.
Custom Bold=t Brass Screw Machine High/Low Vol. Small Parts - 1
Gas Fitting Brass CNC High/Low Vol. - 2
Precision Parts Complex Part CNC Swiss CNC Brass/Steel High/Low Vol. Small Part - 1
Custom OEM Parts Secondary Operation Brass - 1
Plumbing Stem Brass Chrome Plate ACME Thread Screw Machine Hight/Low Volume -1
Hose Connector Brass Screw Machine High/Low Vol. - 2
Hose Connector Brass Screw Machine Chrome Plating High/Low Vol. Pipe Thread - 1
Hose Connector Brass Screw Machine Chrome Plating High/Low Vol. Pipe Thread - 1
Hose Connector Brass Screw Machine Chrome Plating High/Low Vol. Pipe Thread - 4