CNC Milling
3, 4 and 5-axis precision milling of metals and plastics, engineered for complex, challenging work to tolerances of ±0.0002″ typical (±0.0001″ on select work).
Built for the work other shops turn down.
At Best Machine Inc., we specialize in precision CNC Milling services. We provide machining of a wide range of metals and plastics, servicing customers in various high-tech industries. From aerospace to medical components, our state-of-the-art facility, advanced machining systems, and team of seasoned machinists can accommodate almost any requirement. We work with materials such as plastics, aluminum, stainless steel, titanium and high-strength alloys, as well as materials that other companies won’t work with, such as G-10 and ceramics.
We are proud to offer an array of CNC Milling Services. We thrive on the machining of challenging, complex work, facilitated by our vertical machining centers and our newly-added 5-axis machining center. Our equipment features 3-axis, 4-axis and 5-axis CNC machining capabilities, delivering precision milling, drilling, boring, broaching, knurling, counterboring, countersinking, pocketing and profiling.
As a customer-centric company we can also provide assistance with design, fabrication and prototyping in quantities anywhere from prototype to thousands. At Best Machine we’ve provided precision CNC milling services for medical devices, instrumentation, sensors, automotive and electronics applications. Our company is fully ISO compliant, and we also possess a DLA Cage Code.
What we cut.
A few design choices that reduce milling cost.
Avoid unnecessarily tight tolerances
Tight tolerances cost more to hold and inspect. Reserve ±0.0001–0.0002″ for the features that actually need it, and let the rest run at standard shop tolerance.
Design for tool access
Deep, narrow pockets and sharp internal corners often need special tooling or slower feeds. A small internal radius matched to standard tooling keeps cost down.
Use standard hole and thread sizes
Standard drill and tap sizes avoid custom tooling. If a hole size is flexible, telling us so gives us room to use what’s already in the machine.
Group similar features
Parts with consistent hole patterns, radii and pocket depths run faster and more predictably than parts with many one-off features.
Tell us what’s flexible
If a dimension, finish or tolerance isn’t critical, say so on the drawing. It gives us room to quote and machine more efficiently without affecting fit or function.
14 milling machines, up to 5-axis, since 2004.
Best Machine Inc. has machined precision parts since 2004 from our ISO 9001:2015-certified shop in Fremont, NH. Our milling floor runs 3, 4 and 5-axis capability across 14 machines, so simple and complex parts alike stay on the right machine for the job. Every part can be verified on our Renishaw-equipped CMM before it ships. We’re best suited to production runs of 50+ pieces, from prototype through full production — if that’s the kind of job you have, we’re ready for it.
Frequently asked questions
What is CNC milling used for?
CNC milling cuts complex geometries, pockets, holes and contoured surfaces into a workpiece using rotating cutting tools, and is the right process for parts that aren’t round or symmetric around a single axis.
Do you offer 5-axis milling?
Yes. Several machines on our floor, including our Fanuc Robodrill α-D31LiB5 and Brother Speedio series, run full 5-axis simultaneous machining for complex geometries.
What materials can be milled?
We mill aluminum, stainless steel, titanium, high-strength alloys, brass and engineering plastics for instrumentation, sensor, medical and industrial customers.
What’s the difference between 3-axis and 5-axis milling?
3-axis milling moves the tool along X, Y and Z only, requiring multiple setups for complex parts. 5-axis milling adds two rotational axes, letting us machine complex geometries in fewer setups with tighter feature-to-feature accuracy.
What tolerances can you hold on milled parts?
Our shop holds tolerances to ±0.0002″ typical, and as tight as ±0.0001″ on select work, verified on our Renishaw-equipped CMM before parts ship.
The machines behind the work.
Brother Speedio M140 / M200
High-speed 5-axis machining centers for compact, complex parts.
(2) Fanuc Robodrill α-D21
25k spindle, coolant-thru, Renishaw probing & glass scales.
DMG Mori NHX 4000
Horizontal machining center for productive, repeatable runs.
Have a milling print ready?
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