Metal Stamping Parts are high-volume precision components formed from sheet metal coils using custom dies and high-tonnage presses. At BQUQ, we hold stamping tolerances to ±0.01 mm, achieve flatness within 0.05 mm per 100 mm, and deliver first articles in 7 days—even with no minimum order quantity. These parts come out of our 20-year-old Dongguan factory with hardness up to 48 HRC and surface finishes down to Ra 0.8 µm, ready for assembly without secondary machining.
How Our 25–400 Ton Presses Hold ±0.01 mm on Every Stroke
We run a mix of 25-ton high-speed presses (up to 600 SPM) and 400-ton progressive die presses for larger blanks. Each press is fitted with a laser-based die protection system that checks part presence and material feed every 3 milliseconds. This is what lets us hold hole-to-hole tolerances of ±0.01 mm consistently across 100,000+ parts—not just on the first piece. The die sets themselves are ground in-house to a 0.002 mm parallelism, and we re-certify them every 500,000 strokes. If you need stamped parts that slot into a CNC assembly without rework, this is the repeatability you are buying.
Die Steel and Surface Coating Options for High-Volume Runs
Your part's edge quality and dimensional stability depend on the die, not just the press. We build dies from D2, M2, and powder metallurgy steels like ASP23, hardened to 60–62 HRC in vacuum furnaces. For abrasive materials like stainless steel 301 or 316L, we add a TiCN coating to the die surface, which extends die life by 3x and keeps burr height below 0.03 mm. On the part side, we can apply passivation, zinc-nickel plating, or electroless nickel to meet salt spray tests up to 500 hours. Tell us your material and volume—we will match the die steel and coating to your budget, not to a generic standard.
Materials and Heat Treatment We Run Daily
We keep coils in stock for the most common stamping grades: SPCC, SECC, SUS301, SUS304, 5052 aluminum, C1100 copper, and 65Mn spring steel. For anything else, we source from local mills within 3 days. Heat treatment is done in our own furnaces—we quench and temper 65Mn to 40–48 HRC for spring clips, and we anneal aluminum parts to remove work hardening after deep draws. We also offer stress-relief annealing for cold-rolled steel parts that will be welded later. Hardness is verified on a Rockwell tester for every batch, not just the first sample.
Inspection Before Every Shipment: CMM and Optical Comparators
Every lot is checked on a Zeiss CMM for critical dimensions, plus a Keyence optical comparator for edge profiles and bend angles. We sample per AQL 2.5 for standard parts, but for automotive or medical components we can switch to 100% inspection using a custom fixture you approve. A full dimensional report, material certificate, and hardness test results ship with every order. If a part falls outside your drawing tolerance, we do not ship it—we re-run the lot and pay for the express freight. That is the policy.
Secondary Operations: Tapping, Riveting, and Heat Sink Assembly
Stamping rarely ends at the press. We perform in-house tapping (M1.6 to M12), countersinking, deburring, and riveting of threaded inserts. For heat sink applications, we stamp aluminum fins and then assemble them with copper bases using a thermal interface material in our clean room. This lets you order a finished sub-assembly—not just a loose stamped part—and cut your supplier count. We also weld studs or brackets onto stamped parts with a resistance welder, holding position within ±0.1 mm.
Packaging and Delivery for Stamped Parts That Arrive Undamaged
Thin parts, especially those under 0.5 mm thick, can bend in transit. We use anti-static trays, corrugated dividers, and vacuum-sealed bags for sensitive surfaces. For small quantities, we ship in rigid boxes with foam inserts. Standard lead time is 7 days for prototypes (no tooling if using our standard dies) and 15–20 days for production runs after die approval. We ship via DHL, FedEx, or sea freight from Shenzhen port—your choice. Every box includes a packing list with the part number, lot number, and inspection stamp.
Cost Breakdown: What Drives the Price of Stamped Parts
Your unit price is dominated by three factors: material thickness and grade, die complexity, and annual volume. Thick stainless steel (2 mm+) costs more per kilo but may reduce die wear. A progressive die with 8 stations costs 30% more than a simple blanking die but produces parts 4x faster. We give you a transparent quote that separates tooling cost from piece price, and we show you the break-even volume where investing in a multi-station die pays off. If you are unsure, we recommend starting with a single-hit die and no MOQ—test the market before you commit to high-volume tooling.
| Specification | BQUQ Capability | | --- | --- | | Available Materials | SPCC, SECC, SUS301, SUS304, 65Mn, 5052 Al, C1100 Cu | | Material Thickness | 0.1 mm – 6.0 mm | | Dimensional Tolerance | ±0.01 mm (critical holes) | | Flatness | 0.05 mm per 100 mm | | Burr Height | ≤ 0.03 mm | | Surface Finish (Ra) | 0.8 µm (polished) | | Hardness (Heat Treated) | up to 48 HRC | | Press Capacity | 25 – 400 tons | | Prototype Lead Time | 7 days (no tooling) | | Production Lead Time | 15 – 20 days | | MOQ | No MOQ (1 piece accepted) |What is your minimum order quantity for Metal Stamping Parts?
We have no MOQ—you can order a single prototype or 100,000 pieces, and the unit price adjusts only for material and setup time.
Can you customize the die for our specific drawing?
Yes, we build custom progressive or single-hit dies from your 2D or 3D file, and we keep the die in storage for your future reorders at no extra cost.
How do you control quality during high-volume stamping runs?
We use in-press die protection sensors, hourly SPC checks on critical dimensions, and a final CMM inspection per AQL 2.5 before shipment.
What is the typical lead time for a custom stamped part from BQUQ?
Prototypes ship in 7 days if we can use standard dies, and full production with custom tooling takes 15–20 days after you approve the sample.
For deeper insight on keeping your dies sharp and consistent, read our CNC cutting tool selection guide—the same principles apply to stamping tools. And to understand how we set tolerances for complex geometries, see our CNC machining tolerances guide.
Send your drawing today for a firm quote within 12 hours. Email sc@bquq.com or WhatsApp +86 13713157787. We reply with a price breakdown, DFM feedback, and a delivery schedule—no obligations.
