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Cass Precision Machining
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Cass Precision Machining
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Cass Precision Machining is an award-winning precision machining company that specializes in rapid prototyping, Swiss machining, CNC machining, screw machining, and precision grinding.

Contact Information

4800 North Lilac Drive
Brooklyn Center, MN 55429

763.535.0501

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Office Hours (CST)
Mon–Fri 7:30AM–4:00PM

Shipping/Receiving Hours (CST)
Mon–Thur 6:00AM–4:00PM
Fri 6:00AM–1:00PM
Fri (Memorial Day through Labor Day) 6:00AM-12:00PM

Raw Material/Steel Deliveries (CST)
Mon–Thur 6:00AM–1:00PM
Fri By Pre-Approval ONLY

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Part Dimensions/
Grinding Capacity

Cylindrical

Centerless

Centerless/
Bar Grinding

Part Diameter (Min.–Max.)up to 5”.100” to 3.5”up to 1.375”
Part Length (Min.–Max.)up to 24”up to 12”up to 12’
Roundness (Min.)*0.0001” to 0.0002”0.0001” to 0.0002”0.0005”
Concentricity (Min.)*0.0001” to 0.0002”0.0001” to 0.0002”0.0005”
Surface Finish (Min.)*6 micro inches6 micro inches32 micro inches
Tolerance (+/-)*0.0001”0.0001”—

*Minimums and tolerance range will vary by selected material.