Aunov Tech builds this Deep drawn fasteners in stainless steel, from coil or bar through to the finished surfaces. On the product, the deep drawn part carries the formed geometry the assembly needs at volume. Forming, machining and inspection share one floor, which keeps tolerances consistent from sample to volume without re-quoting the job elsewhere.
Product overview
For this metal component, the drawing centres on, wall thickness control, flange geometry and the sealing surface, controlled from the approved first article onward.
Die work and machining for this metal component sit on the same floor, which keeps revision loops short and samples fast, and the same die can be re-cut from the original data.
Production route
Production follows a defined route: Blanks are drawn in stages, with interstage annealing where the wall thins; secondary machining holds the seats, threads and faces that forming cannot produce.
Batch records for the fastener are filed against the part number, so process settings are reused instead of re-invented. First article, drawing revision and material cert travel with each fastener batch.
Materials and finishing
Standard stock includes SPCC / DC01 carbon steel, 304 / 316 stainless, aluminium, brass, copper and bronze with carbon steel or stainless specified on the drawing for this metal component.
The surface treatment is picked to match the service conditions: plating, anodising, powder coating, electrophoresis and passivation. The agreed finish for this metal component travels with the part number on every reorder.
Batch records for the fastener are filed against the part number, so process settings are reused instead of re-invented. Deviations on the fastener are reported before shipment rather than found on your assembly line.
Quality control
An ISO 9001 certified system governs production: stock arrivals are checked against mill certificates, first-article geometry is confirmed on the CMM, and production batches are inspected on a sampling plan. The fastener first article is measured on the CMM and thread gauges confirm class. Functional testing – torque, leak or pressure – can be written into the plan, and the inspection report ships with each batch.
Applications
The metal component is specified into industrial equipment and general assembly work for OEM and Tier-1 customers.
One drawing for this metal component is commonly applied to several programmes, so one approved version covers the whole range, and the same first article applies throughout.
Specifications
| Item | Deep drawn fasteners |
|---|---|
| Brand | AUNOV |
| Designing | Driven by your drawing or a physical sample – samples are reverse-measured into a controlled drawing; the same drawing is used for every repeat order. |
| Tooling | Progressive and drawing dies are designed and built in house, so die cost stays transparent, and the charge is refundable against agreed volumes. |
| Samples | Free samples are available on standard items, with reports attached. |
| Materials | Stock covers carbon steel (SPCC / DC01), 304 / 316 stainless, aluminium and brass; material substitutes are proposed only with your written approval. |
| Surface finish | Zinc, nickel or chrome plating, anodising, passivation or e-coat; alternatives quoted with the quotation, samples approved in writing. |
| Processing | Progressive drawing through several stages, annealed between draws, then trim and pierce; first articles verify the whole flow before the run is released. |
| Equipment | Mechanical presses from 5 to 250 T and hydraulic presses 250-500 T, with in-line annealing furnaces, with CNC turning centres for secondary operations and CMM inspection. |
| Tolerance | +/-0.05 mm on flange and rim dimensions, wall controlled by the draw; dimensional reports accompany the first article. |
| Delivery terms | Shipping terms are set with the order: FOB, CIF or DDP, T/T or L/C, door delivery quoted. |
