100% inspection. Not sampling.
How quality is controlled at FJM Manufacturing in Nashua, New Hampshire — inspection practice, documentation, and the toolmaker’s approach behind it. Judge the process directly.
Tolerances to ±0.0001″ · No minimum order · Next-business-day quotes
Every part is inspected against print before it ships. Not a sample from the batch — every part.
Plenty of shops with a coordinate measuring machine inspect one part in twenty and infer the rest. That is a reasonable approach at high volume. On the prototype and small-batch work this shop does, measuring every part is both practical and more useful — because on a batch of forty, the one that drifted is the one that reaches your line.
Workholding designed by a trained Tool and Die Maker, so parts are located the same way every run.
A repeat batch runs the same process rather than being re-figured-out, so batch six matches batch one.
The person quoting the job is the person machining and measuring it. Nothing is lost in a handoff.
Frederick John Martin trained as a Tool and Die Maker at Solar Turbines, working to tolerances as tight as ±0.0001″ and developing his skills in GD&T. At AMETEK he specialised in injection mould making, working with high-performance alloys and heat treatment.
Tool and die work is where the habit of measuring everything comes from. A die that is a thousandth out does not run, and there is no batch to sample — there is one part and it either works or it does not. That standard is what FJM Manufacturing was founded on.
Every part, against print, before it ships. Not sampling.
Dimensional inspection is performed on a granite surface plate with a TESA height gauge, which resolves well below the tolerances being held.
Yes, along with material certifications.
Fixtures are built in-house and retained, and setups are documented, so a later batch runs the same process rather than being set up from scratch.
There is no minimum order quantity. A single prototype, a one-off replacement, or a repair part is a real job here.
Quotes come back the next business day. Rush service is available, including next-morning turnaround on suitable jobs. The shop opens at 6:00 AM Monday through Friday.
Tolerances to ±0.0001″ on critical features. Every part is inspected against print before it ships — 100% inspection, not sampling — on a granite surface plate with a TESA height gauge.
No minimum order, quotes back the next business day, and every part measured before it leaves.
