Check the brief before you send the drawing.

The most expensive mistake in sourcing is not a bad price. It is a conversation that starts with a drawing, before anyone has checked whether the shop works in that material, at that tolerance, at all.

Check a briefHow evidence labels work

No searchable database exists here, and no supplier is shown. What exists is a checker: it turns a brief, described without drawings, into the questions worth asking and the evidence worth requesting.

The tool

Check the brief first. Then talk.

Computer Numerical Control (CNC) machining includes the vertical machining centre (VMC): a VMC is a CNC milling machine, not a separate process. Precision job-work is work on a customer's order or material (the arrangement, not the process).

Working tool: local only, no data sent, no match shown

Check a brief. Get the questions, not a match.

No directory exists yet on this site, so this tool shows no supplier, no price, and no lead time. What it does show is what to ask, and what evidence to request, for the kind of job you describe, without drawings or confidential detail.

Process needed (choose all that apply)
Service type (choose all that apply)

Choose a process to see the questions.

Check status: no check is claimed here: the list below is what to request, not what has been done.

Evidence to request, and what each level does not prove

What the evidence levels mean
  • P0 Supplier-declared: the shop's own words. A starting point; not a check.
  • P1 Document received: a document was received and logged. Receipt is not authenticity, currency, or capability.
  • P2-ID Identity cross-checked: identity / authorised representative only. Proves nothing about capability.
  • P2-DOC Document cross-checked: named document fields matched to a named source. About documents, not capability.
  • P3 Observed capability: a named machine witnessed producing comparable work, measured as stated. Point in time only.
  • P4 Transaction-evidenced: only that specific past transaction, by stated evidence. Counterparty-confirmed is strongest; supplier-held documents are weakest. Not a rating or a future guarantee.

Ask before anyone relies on it

  • Name the grade, not just the material family: a quote in “tool steel” or “stainless steel” alone cannot be compared. Ask which grade, in what condition, and whether a mill certificate is available.

Do not send yet

Do not send drawings or confidential specifications through this site, or through this tool. Describe the need in general terms first, and share drawings only through a direct, agreed channel once a shop and a scope are clear.

Brief checker is empty. Choose a process to see the questions.

This checker runs only in your browser. Nothing is sent, stored, or matched to a supplier.

A short guide: not a new service

How to brief a tool room or mould maker before sharing a drawing

Work through these in order. Each one prevents a different kind of wasted conversation.

An engineering drawing beside a finished machined part, with dimensions marked
Illustrative drawing and part, not a real job or drawing.
  1. Process

    Say what kind of work it is: CNC milling, turning, grinding, mould making, mould-base machining, and whether it is new work, a repair, a modification, or maintenance. A shop that makes new moulds may not be the shop that repairs one well.

  2. Material

    Name the grade and condition, not just the family: SS 316 rather than “stainless steel”, P20 rather than “tool steel”, and ask who supplies the material and whether a mill certificate is available. The grade is the quote.

  3. Tolerance band

    Name the band, the feature it applies to, the size, the finish (Ra), and how it will be measured. A tolerance without a feature, a size, and an instrument cannot be checked, and a fine tolerance on a declared claim alone should not be accepted.

  4. Quantity band

    Say whether this is a single piece, a small batch, or repeat work. Quantity changes what matters: for larger or repeat runs, ask about batch drift, acceptance criteria, and who bears rework and scrap cost.

  5. Evidence to request

    Ask for the evidence behind the specific field, not a general assurance. What each label means (and what it does not prove) is on Trust & Evidence. When you do share a drawing, the pack is a 2D drawing with dimensions and tolerances, a 3D model where one exists, the grade, the quantity, the finish, the inspection requirement, and the delivery need, shared only through a direct, agreed channel with a named shop, once the scope is clear.

Where this starts: Starting in Vasai East; Waliv, Sativali, and Gokhivare next, when built.

Plain prose, no jargon assumed

Glossary: words shops use, in plain language

Term, meaning, and what to ask
TermIn plain wordsAsk this
Tool roomA workshop that makes, repairs, and maintains tools, dies, moulds, jigs, and fixtures, usually one-off or small-batch precision work.What tool-room work do you do most: new, repair, modification, or maintenance? What evidence supports the tolerance you claim?
Mould makingMaking the mould that shapes a product, most often by injecting or pressing material into a cavity.How many cavities, what runner, what expected shots and mould life, and what are the tryout and correction terms?
Mould-base machiningMaking the standard or custom base that holds a mould: plates, pillars, bushes, ejectors, and water lines, fitted together.Is this raw plates or a fitted base, what pocketing and guide work is included, and is heat treatment included?
CNC machining, including VMCComputer Numerical Control machining: a computer-controlled machine cutting a part to a programmed shape. A vertical machining centre (VMC) is a CNC milling machine whose spindle is vertical, not a separate process.Which machine, what travel, and what size part fits it? For a VMC: 3-axis or 4/5-axis, and what envelope does the job need?
Precision job-workWork done on a customer’s order or material, to tight tolerances, usually in small batches.What tolerance have you actually held on comparable work, and what inspection record shows it?
Tolerance bandsRanges of permitted deviation from a stated size, for example general (±0.1 mm and looser), precision (±0.02–0.05 mm), or fine (±0.01 mm or tighter).On which feature, at what size, with what finish, measured by what instrument?
MaterialsThe metal or plastic a part is made from. Named properly, that means a grade (SS 316, P20, EN24, AA 6061), in a stated condition, with a certificate answer.Which grade, in what condition, who supplies it, and is a mill certificate available?
EDM (wire-cut and sinker)Electrical discharge machining: cutting or shaping metal with controlled electrical sparks. Wire-cut EDM cuts profiles with a thin wire; sinker EDM shapes cavities with a formed electrode.Which EDM type fits this job, and what tolerance and finish has it held on comparable work?
GrindingFinishing a part by abrasion, usually for tight tolerances or fine surface finish after milling or turning.What grinding capacity exists, and what finish and tolerance has it held?
Inspection instrumentsTools that check a part against its drawing: micrometer, bore gauge, coordinate measuring machine (CMM), surface plate and height gauge.Which instrument will check the tolerance feature, and can a sample inspection record be shown?
Surface finish (Ra)A measure of how smooth or rough a surface is, stated as an Ra value in micrometres. Lower Ra means a smoother finish.What Ra is required, and how will it be achieved and checked?
Machine travel (envelope)The largest part a machine can reach and cut, stated as travel in each axis, for example 800 × 500 × 500 mm.What travel does this job need, including fixturing, and does it fit?
Mill certificateA document from the material supplier stating the grade and composition of a batch of material.Is a mill certificate available for the quoted grade, and does it cover this batch?

The full evidence method behind these questions is on Trust & Evidence.

Questions, answered plainly

Questions buyers actually ask

How do I find a tool room that can hold my tolerance?

Start from the tolerance with its feature, size, finish, and instrument, then ask what the shop has actually held on comparable work, and what record shows it. A declared claim alone is the weakest evidence, especially at fine tolerances.

What does an evidence label actually guarantee?

Nothing about the future. Each label describes one past check on one field, with its limits. The full definitions are on Trust & Evidence.

Can Udyog House recommend a shop for my job?

Not on this site, and not as a general claim anywhere: no shop is listed, ranked, or recommended here. The honest step today is a better brief, and, when records exist, a record you can read for yourself.

How does pricing or quoting work?

No price is published here yet, and no quotation is shown. A comparable quote needs the grade, tolerance, finish, quantity, and inspection requirement from the brief first.

Who supplies the material?

Either side can, and the brief should say which. Ask who supplies the material, in what grade and condition, and whether a mill certificate is available for that batch.

What drawing details stay confidential?

Share drawings only through a direct, agreed channel with a named shop, once the scope is clear. Confidentiality terms for that channel are agreed directly between buyer and shop; this site sets none, because it carries no drawings at all.

What about lead time?

No lead time is published here yet. Lead time depends on the shop's load, the job's size and tolerance, and material availability, and it is one of the commercial facts a complete record must eventually carry.

What about rework, scrap, or repeat orders?

Not stated here yet. For larger or repeat runs, ask about batch drift, acceptance criteria, and who bears rework and scrap cost. Those commercial facts are listed on For Manufacturers as facts a record must eventually carry.

Talk to Udyog House

To talk about a sourcing need, write to contact@udyoghouse.com or use the Contact page.

Read the evidence method · Contact