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With over 370,000 machines built over the past 70 years and counting, the Bridgeport® Series 1 Standard Knee Mill is the most popular milling, drilling and boring machine available and continues to fulfill the industry’s need for an accurate, reliable, and versatile mill.
|Series 1 KneeMill|
|Table travel with Power Feed (X-Axis)||
|Table travel without Power Feed (X-Axis)||
|Saddle Travel (Y-Axis)||
|Knee Travel (Z-Axis)||
|Throat Distance (Min.)||
|Throat Distance (Max.)||
|Spindle (2J Head)|
|Power Rating 30 min. Duty Cycle||
|Power Rating Continuous||
|Power Quill Feed 3||
|Manual Drilling Capacity||2 CI/min|
152 mm dia.
|High (Infinitely Variable)||500-4,200 RPM @ 60 Hz|
|Low||60-500 RPM @ 60 Hz|
|Power Quill Feed||0.0015 in/rev (0.038 mm)|
|Manual Adjust||0.003 in/rev (0.076 mm)|
|Manual Adjust||0.006 in/rev (0.152 mm)|
49 x 9 in
1,245 x 299 mm
|T Slot center distance||
3 @ 2.5 in
|Height Above Floor (Max.)||
|Weight of Workpiece (Max.)||
7 x 10 ft
2133 x 3048 mm
The Bridgeport Series I Standard Mill is the original milling, drilling and boring machine. The Bridgeport Series I Knee Mill is the most popular mill ever made with over 370,000 machines built over the past 70-plus years.
Innovative airflow cooling design that eliminates the need for external fans to prolong bearing life and prevent expansion from heat build-up.
One-Shot Lubrication System Chrome-Plated Ways and Gibs Color—Machine Tool Gray
2 or 3-Axis Digital Readout
Power Drawbar for R-8 or #30 Quick-Change Spindle Worklight Electrics—NFPA/NEMA-12 Standards, optional NRTL testing
A full range of accessories are available, including optional chrome-plated ways and gibs, to ensure that the machine will last a lifetime.
The Bridgeport Series I Standard Knee Mill is the single most ubiquitous milling, drilling, and boring machine in the world. It can be found in job shops across the globe serving in countless capacities.