Bridgeport Milling Machines For Sale

Bridgeport has produced high-quality mills since 1938, making their brand synonymous with milling machine excellence. They boast a strong reputation as one of the leading mill brands for machining centers and are a reliable and versatile choice. 

At Sterling Machinery, we have an unbeatable selection of both new and used Bridgeport milling machines for you to choose from. Explore our varied selection and find the Bridgeport mill that’s right for you today!

Bridgeport Milling Machines: FAQs

What is a Bridgeport milling machine?

A Bridgeport mill is a type of vertical milling machine that was first manufactured by the Bridgeport Machines Inc. company in the United States in 1938. It has since become one of the most popular and widely used milling machines in the world. 

The Bridgeport mill features a rotating cutting tool called a milling cutter, which is used to remove material from a workpiece held in a vise or other holding device. The cutting tool is mounted on a movable spindle, which can be positioned vertically or horizontally, allowing the machine to perform a wide range of cutting operations.

Bridgeport mills are known for their robust construction, durability, and versatility, making them a favorite among machinists, metalworkers, and manufacturers in a variety of industries. 

Features that make the Bridgeport model milling machine standout:

  • Versatility: The rotating turret, tilting head, and movable ram offer many uses, from milling to drilling, boring, and tapping operations on metal, plastic, and other materials. 
  • Airflow cooling design: Eliminates the need for external fans and prolongs the life of the machine.
  • Greater load capacity: Engineered to handle heavier workpieces, providing enhanced stability and precision during operations.
  • Variable speed head: Allows for precise control of spindle speeds, enabling optimal performance across a wide range of materials and cutting conditions.

What are Bridgeport mills used for?

Bridgeport mills are highly regarded for their rigidity and durability. Built with a solid cast iron frame that dampens vibrations, these machines can handle deep cuts in tough materials, making them suitable for both light and heavy-duty tasks. 

Whether it’s machining flat or irregularly shaped surfaces, cutting gears or slots, or performing precise drilling and tapping, Bridgeport milling machines excel in a variety of applications. The variable speed head on these machines allows for quick transitions between different operations, the rotating turret allows for quill travel, and the head tilt makes it possible to drill, bore, tap, face, mill, ream, and produce crisp angle cuts. 

Their efficiency combined with a smaller table size compared to similar machines, make the Bridgeport mill an unbeatable tool for industries such as:

Aerospace, Agriculture, Automotive, Construction, Consumer Goods, Education and Training, Energy, Manufacturing, Medical, Metalworking, Prototype and Tooling, Technology, Transportation.

Bridgeport mills are an essential tool across many industries, valued for their versatility, precision, and durability. Whether you're working on intricate parts, heavy-duty materials, or specialized projects, a Bridgeport mill provides the reliability and performance needed to do the job efficiently, and at Sterling Machinery, we have the best variety to choose from!

Advantages of Bridgeport milling machines

Largely considered the gold standard for knee-type mills, Bridgeport series machines are flexible and preferred mainly due to the variety of angles and cuts you can achieve with precision. They’re also durable, user-friendly, versatile, adaptable, and compact compared to bed-type mills, which are meant to handle much larger products and have fewer angles available. 

What are the main parts of a Bridgeport milling machine?

Each piece of a Bridgeport mill has an important role in creating a milling machine that offers stability, versatility, and efficiency. These include:

Column, Knee, Saddle, Worktable, Turret, Ram, Head, Quill, Spindle.

Understanding these parts and their functions is essential for maximizing the performance and longevity of your milling operations, ensuring precise and reliable machining results every time.

What’s the difference between a Series 1 and a Series 2 Bridgeport mill?

Bridgeport designed both the Series 1 and Series 2 mills to complete a wide range of milling tasks, incorporating details from the Series 1 into the Series 2 that customers appreciated. The primary difference between the two models lies in their size and capacity. 

The Series 2 is significantly larger and more robust, specifically built to handle bigger and heavier projects. While the Series 1 is still in production and widely used, the Series 2 was produced in limited numbers—around 8,000 units—before it was discontinued. 

Consequently, the only way to acquire a Series 2 Bridgeport milling machine for sale today is to purchase a used model, so you’re in the right place! Despite being discontinued, the high quality and durability of a Series 2 used Bridgeport milling machine is still a great investment. 

Find the Right Bridgeport Milling Machine for Sale

Find a Bridgeport milling machine for sale here on our site or at one of our auctions. Whether you’re shopping for a used or new Bridgeport mill or want to list or sell machinery from your inventory, we’re thrilled to connect with you. 

At Sterling Machinery, we offer a wide range of machinery, from used metal lathes, milling machines, CNC vertical mills, and more. We’ve served the Southern California community for over 70 years and are also able to provide shipping across the country. Visit our contact page to connect with an expert today.  

(Bridgeport-Type) Milling Machines For Sale

25 Items

Set Descending Direction
  1. Used

    9" X 49" atrump K3VL, Used #A6552

    Used-Atrump-Used Atrump Vertical Milling Machine-K3VL-A6552-01
    $9,250.00
    Used Atrump Vertical Milling Machine
    Stock No: #A6552 Manufacturer: Atrump Model: K3VL Serial#: K3VL-462 Capacity: 9" X 49"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: Used

  2. Used

    9" X 49" atrump K3VL, Used #A6551

    Used-Atrump-Used Atrump Vertical Milling Machine-K3VL-A6551-01
    $8,250.00
    Used Atrump Vertical Milling Machine
    Stock No: #A6551 Manufacturer: Atrump Model: K3VL Serial#: K3VL-445 Capacity: 9" X 49"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: Used

  1. New

    9" X 49" atrump K2EV, New #SMK2EV

    New-Atrump-Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill-K2EV-SMK2EV-01
    Starting At:
    $10,495.00
    Stock No: #SMK2EV Manufacturer: Atrump Model: K2EV Capacity: 9" X 49"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill

  2. New

    9" X 49" atrump K2V, New #SMK2V

    New-Atrump-Brand New Atrump Variable Speed Vertical Milling Machine-K2V-SMK2V-01
    $8,995.00
    Brand New Atrump Variable Speed Vertical Milling Machine
    Stock No: #SMK2V Manufacturer: Atrump Model: K2V Capacity: 9" X 49"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    Brand New Atrump Variable Speed Vertical Milling Machine

  3. New

    9 x 49" atrump KV2, New #SMKV2

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-KV2-SMKV2-01
    Starting At:
    $8,960.00
    Stock No: #SMKV2 Manufacturer: Atrump Model: KV2 Capacity: 9 x 49"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  4. New

    9 x 49" atrump KE2, New #SMKE2

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-KE2-SMKE2-01
    Starting At:
    $9,800.00
    Stock No: #SMKE2 Manufacturer: Atrump Model: KE2 Capacity: 9 x 49"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  5. New

    10" x 54" atrump 3VK 2-AXIS, New #SM3VK2AX

    New-Atrump-Brand New Atrump CNC Vertical Knee Milling Machine-3VK 2-AXIS-SM3VK2AX-01
    Starting At:
    $22,115.00
    Stock No: #SM3VK2AX Manufacturer: Atrump Model: 3VK 2-AXIS Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Vertical Knee Milling Machine

  6. New

    10" x 54" atrump K3EV, New #SMK3EV

    New-Atrump-Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill-K3EV-SMK3EV-01
    Starting At:
    $12,330.00
    Stock No: #SMK3EV Manufacturer: Atrump Model: K3EV Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill

  7. New

    10" x 54" atrump K3VS, New #SMK3VS

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-K3VS-SMK3VS-01
    Starting At:
    $10,695.00
    Stock No: #SMK3VS Manufacturer: Atrump Model: K3VS Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  8. New

    10" x 54" atrump K4VS, New #SMK4VS

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-K4VS-SMK4VS-01
    Starting At:
    $16,035.00
    Stock No: #SMK4VS Manufacturer: Atrump Model: K4VS Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  9. New

    10" x 54" atrump K5VS, New #SMK5VS

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-K5VS-SMK5VS-01
    Starting At:
    $17,450.00
    Stock No: #SMK5VS Manufacturer: Atrump Model: K5VS Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  10. New

    10" x 54" atrump K4EV, New #SMK4EV

    New-Atrump-Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill-K4EV-SMK4EV-01
    Starting At:
    $17,945.00
    Stock No: #SMK4EV Manufacturer: Atrump Model: K4EV Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill

  11. New

    10" x 54" atrump K5EV, New #SMK5EV

    New-Atrump-Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill-K5EV-SMK5EV-01
    Starting At:
    $19,340.00
    Stock No: #SMK5EV Manufacturer: Atrump Model: K5EV Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill

  12. New

    10" x 54" atrump K6EV, New #SMK6EV

    New-Atrump-Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill-K6EV-SMK6EV-01
    Starting At:
    $22,990.00
    Stock No: #SMK6EV Manufacturer: Atrump Model: K6EV Capacity: 10" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    Brand New Atrump Vertical Electronic Variable Speed Manual Knee Mill

  13. New

    10 x 54" atrump KV3, New #SMKV3

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-KV3-SMKV3-01
    Starting At:
    $10,490.00
    Stock No: #SMKV3 Manufacturer: Atrump Model: KV3 Capacity: 10 x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  14. New

    10 x 54" atrump KE3, New #SMKE3

    New-Atrump-BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE "BRIDGEPORT COPY"-KE3-SMKE3-01
    Starting At: Call for Price
    Stock No: #SMKE3 Manufacturer: Atrump Model: KE3 Capacity: 10 x 54"
    Category: Milling Machines, Vertical (Bridgeport Type)
    Condition: New
    BRAND NEW ATRUMP VARIABLE SPEED VERTICAL MILLING MACHINE

  15. New

    12" x 60" atrump 5NC 3-AXIS RIGID HEAD, New #SM5NC3AX

    New-Atrump-Brand New Atrump CNC Vertical Knee Milling Machine-5NC 3-AXIS RIGID HEAD-SM5NC3AX-01
    $36,815.00

    Finance as low as

    755.08 Per Mo.*
    Stock No: #SM5NC3AX Manufacturer: Atrump Model: 5NC 3-AXIS RIGID HEAD Capacity: 12" x 60"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Vertical Knee Milling Machine

  16. New

    13" x 50" atrump BM-430H, New #SMBM430H

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-430H-SMBM430H-01
    Starting At:
    $47,560.00

    Finance as low as

    975.46 Per Mo.*
    Stock No: #SMBM430H Manufacturer: Atrump Model: BM-430H Capacity: 13" x 50"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  17. New

    15" x 54" atrump BM-460H, New #SMBM460H

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-460H-SMBM460H-01
    Starting At:
    $59,200.00

    Finance as low as

    1,214.19 Per Mo.*
    Stock No: #SMBM460H Manufacturer: Atrump Model: BM-460H Capacity: 15" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  18. New

    15" x 54" atrump BM-460T, New #SMBM460T

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-460T-SMBM460T-01
    Starting At:
    $58,500.00

    Finance as low as

    1,199.84 Per Mo.*
    Stock No: #SMBM460T Manufacturer: Atrump Model: BM-460T Capacity: 15" x 54"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  19. New

    16" x 63" atrump BM-560H, New #SMBM560H

    New-Atrump-Brand New Atrump CNC Bed Milling Machine -BM-560H-SMBM560H-01
    Starting At:
    $66,040.00

    Finance as low as

    1,354.48 Per Mo.*
    Stock No: #SMBM560H Manufacturer: Atrump Model: BM-560H Capacity: 16" x 63"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  20. New

    16" x 63" atrump BM-560T, New #SMBM560T

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-560T-SMBM560T-01
    Starting At:
    $66,040.00

    Finance as low as

    1,354.48 Per Mo.*
    Stock No: #SMBM560T Manufacturer: Atrump Model: BM-560T Capacity: 16" x 63"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  21. New

    17" x 70" atrump BM-600H, New #SMBM600H

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-600H-SMBM600H-01
    Starting At:
    $70,300.00

    Finance as low as

    1,441.85 Per Mo.*
    Stock No: #SMBM600H Manufacturer: Atrump Model: BM-600H Capacity: 17" x 70"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  22. New

    24" x 73" atrump BM-630H, New #SMBM630H

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-630H-SMBM630H-01
    Starting At:
    $84,510.00

    Finance as low as

    1,692.74 Per Mo.*
    Stock No: #SMBM630H Manufacturer: Atrump Model: BM-630H Capacity: 24" x 73"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

  23. New

    29" x 72" atrump BM-660H, New #SMBM660H

    New-Atrump-Brand New Atrump CNC Bed Milling Machine-BM-660H-SMBM660H-01
    Starting At:
    $104,010.00

    Finance as low as

    2,083.32 Per Mo.*
    Stock No: #SMBM660H Manufacturer: Atrump Model: BM-660H Capacity: 29" x 72"
    Category: Milling Machines, Vertical (Bridgeport Type), Vertical CNC
    Condition: New
    Brand New Atrump CNC Bed Milling Machine

25 Items

Set Descending Direction