General Precision Machining & Small-Batch Part Work.
MTM Machine, Inc. is a general precision machine shop in Sterling Heights, Michigan. We machine custom components, short-run production batches, prototype fixtures, and precision part modifications across steel, aluminum, stainless, and cast iron. A large share of our daily bench schedule serves automotive-related parts, custom brackets, shafts, spacers, flanges, and housings with 6:00 AM drop-off on Stanley Drive.
General Machine Shop Envelope. Small-Batch Automotive Focus.
MTM Machine is a full-capability general precision job shop. While we machine components for diverse industrial equipment and custom tooling, a core specialty of our floor is producing small-batch automotive-related brackets, shafts, adapters, spacers, and salvaging cast-iron housings.
| OPERATION CODE | CAPABILITY & SETUP | TYPICAL AUTOMOTIVE & GENERAL PARTS | TOLERANCE | BATCH SIZE |
|---|---|---|---|---|
| OP-10 // CNC & Manual Milling |
3-Axis Vertical Milling, Boring & Facing Pocket milling, bolt-circle drilling, profiling, slotting, and precision squaring. |
Alternator & accessory brackets, transmission adapter plates, billet sensor mounts, intake flanges | +/- 0.0010" | 1 to 250 pcs |
| OP-20 // Precision Turning |
OD/ID Lathe Turning & Single-Point Threading Concentric stepped shafts, bearing journals, press-fit sleeves, and custom bushings. |
Drivetrain spacers, alignment bushings, pulley hubs, custom clevis pins, threaded collars | +/- 0.0005" | 1 to 500 pcs |
| OP-30 // Small-Batch Production |
Short-Run Repeat Lot Manufacturing Dedicated fixture setups for repeatable short-run part orders without high minimum quantities. |
Specialty aftermarket hardware, suspension linkage spacers, fluid fittings, custom retainers | +/- 0.0010" | 10 to 500 pcs |
| OP-40 // Automotive Component Rework |
Existing Part Modification & Clearance Machining Opening bearing bores, truing warped mating flanges, spot-facing, and custom mounting bosses. |
Cast-iron housings, exhaust manifolds, differential covers, water pump housings, bellhousings | Per Sample | 1-Off to 50 pcs |
| OP-50 // Thread & Stud Salvage |
Broken Fastener Extraction & Thread Restoration Precision milling out seized/sheared bolts and installing heavy-duty solid thread inserts. |
Seized exhaust manifold studs, stripped housing threads, sheared mounting bolts in castings | True Center | Single Part / Rush |
| OP-60 // Custom Fixtures & Gages |
Toolroom Holding Fixtures, Jigs & Check Blocks Precision dowel-pinned locating plates, weldment machining, and go/no-go check fixtures. |
Assembly line check fixtures, test-stand mounting plates, hardened steel rest buttons | +/- 0.0005" | 1 to 25 pcs |
Rooted in Middler Tool & Mach. (Warren, Michigan)
MTM Machine, Inc. carries forward the industrial lineage of Middler Tool & Mach., originally founded in Warren, Michigan. For decades, our toolmakers built and operated multi-station hydraulic transfer lines for cast-iron V8 automotive cylinder blocks. Today at 35310 Stanley Drive in Sterling Heights, we bring that same Macomb County toolroom discipline to small-batch machining, custom prototypes, and precision part rework.
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Send us your part specifications and drawing below, or bring your physical sample part directly to our shop bench at 35310 Stanley Drive starting at 6:00 AM.
We open our doors at 6:00 AM six days a week so local engineers, fabricators, and mechanics can drop off parts before the morning shift.
| Monday | 6:00 AM to 4:00 PM |
| Tuesday | 6:00 AM to 4:00 PM |
| Wednesday | 6:00 AM to 4:00 PM |
| Thursday | 6:00 AM to 4:00 PM |
| Friday | 6:00 AM to 4:00 PM |
| Saturday | 6:00 AM to 12:00 PM |
| Sunday | Closed |
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Call the Bench Directly: Dial (586) 443-5703 to speak directly with a machinist about your part, stock material, and turnaround window.
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Walk-In Part Inspection: Bring your sample part, mating component, or dimensioned print to 35310 Stanley Dr, Sterling Heights, MI 48312. We mic the part right at the counter.
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Direct Job-Shop Turnaround: Fast setup for 1-off repairs, prototype brackets, and short production runs without corporate quoting delays.