How to Get a CNC Workholding Quote Fast (and What Info to Send)

If you have ever waited a week for a fixture quote and then received three follow-up questions instead of a price, you already know the problem. Workholding quotes rarely stall because the supplier is slow. They stall because the request does not contain enough information for an engineer to size the fixture and commit to a number.

This guide lists exactly what to send so a workholding supplier can quote quickly, why each item matters, and a copy-paste template you can drop into an email or our RFQ form.

Why workholding quotes stall

A fixture is sized from the job, not from a catalogue line. Without the part geometry and the machine, an engineer cannot confirm clamping force, datum strategy, tool access, or whether a standard product fits. So the supplier either guesses (and you get a number you cannot trust) or asks questions (and you lose days). Sending complete inputs the first time is the single biggest lever on quote speed.

The 8 inputs that unlock a fast quote

1. Part size range. The smallest and largest parts in the family, not just today's part.
2. Material and surface condition. Machined, cast, forged or saw-cut — this drives clamping force and jaw choice.
3. Clampable surface or datum. Where the fixture can hold and locate without hitting the cut.
4. Machine model and table size. Plus 3-axis, 4-axis or 5-axis and horizontal or vertical.
5. Tolerance and repeatability target. A real number (for example ≤0.02 mm) beats "high precision".
6. Operation type. Roughing, finishing, EDM or a mix changes rigidity and force needs.
7. Automation plan. Manual loading, robot loading, or a zero-point/pallet workflow.
8. Quantity and timeline. Station count, annual volume, and when you need it.

5 things that quietly slow your quote down

Even buyers who send "enough" detail often trip on the same few points. Each one forces the engineer to stop and ask, and every round trip costs you a day or more.

• Only describing today's part. If you quote against a single part and your range later grows, the fixture may not fit. Give the family envelope up front so the design has headroom and you do not pay to re-engineer later.
• "High precision" with no number. Tolerance words mean different things to different shops. A stated target like ≤0.02 mm repeatability lets the engineer pick the right datum strategy immediately instead of quoting two options to cover themselves.
• Leaving out the machine. Table size, axis count and spindle orientation decide whether a standard product even fits. A fixture that clamps perfectly but fouls the spindle or blocks tool access is a non-starter — and that gets discovered after you have waited for the quote.
• Forgetting the automation plan. "We might add a robot next year" changes the interface today. Mention it now and the design stays upgrade-ready; mention it later and you may be buying twice.
• Sending a PDF screenshot instead of geometry. A flattened image with no dimensions cannot be measured. A STEP file or a dimensioned drawing turns a guess into a firm number.

CAD, STEP and drawings: what actually helps

A 3D STEP file is the most useful single attachment, because it lets the engineer check tool access and clamping in context. Pair it with a dimensioned 2D drawing that calls out the critical tolerances and datums. If you do not have CAD yet, clear photos with a few key dimensions are enough to begin — you will get a budget range now and a firm quote once the model arrives.

Worried about confidentiality? Share only the clamping-relevant geometry and ask for an NDA. You do not need to hand over your entire product model to define a fixture.

Copy-paste RFQ template

Drop that into our RFQ form with your files and you have given us everything needed to respond with a real configuration instead of a generic PDF.

A complete request, start to finish

Here is what a quote-ready request looks like in practice. A shop machining aluminum housings sends: part family 60–140 mm, 6061-T6, clampable on the cast base flange; a VMC with a 500 × 1000 mm table, 3-axis vertical; ≤0.02 mm repeatability; finishing operation; manual loading today but planning a pallet workflow within a year; 4 stations needed, around 8,000 parts a year, required in six weeks. Attached: a STEP file and a dimensioned drawing calling out the two datum faces.

With that single email, the engineer can confirm clamping force, pick a datum scheme that leaves the cut clear, check tool access against the table envelope, and recommend a base that is ready for the pallet upgrade later. No follow-up questions — the configuration and price come back in a couple of days. Compare that to "I need a fixture for a housing, what does it cost?", which buys nothing but a week of email.

What happens after you send it

With complete data, expect a standard configuration quote in roughly one to three business days. Custom fixtures get an engineering review first — we confirm clamping force, datum scheme and tool access, then quote. Either way, the clock starts when the inputs are complete, so the checklist above is the fastest path to a number you can act on.