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| Moq: | 1 Piece |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 500–2000 pcs/month |
This custom CNC milled & stamped sheet metal bracket is manufactured via multi-axis composite machining, integrating precision laser cut holes, non-slip knurled surfaces, formed bend ribs and countersunk mounting points in one single setup. The component is engineered for heavy-load industrial assembly, automotive system mounting and equipment housing reinforcement, with strict tolerances on flatness, hole position repeatability and bend angle consistency to guarantee zero misalignment during end installation.
This precision sheet metal part is produced with multi-axis CNC turret punching + 5-axis milling composite manufacturing, eliminating repeated re-clamping positioning errors that traditional sequential processing cannot avoid. Every feature on the bracket — including the dual large circular mounting cutouts, 6+ countersunk screw holes, reinforced 90-degree bend flanges, and full-surface anti-slip linear knurling — is completed in one single processing cycle, to ensure absolute parallelism between the top and bottom datum planes, 100% hole pattern consistency across batches, and no warpage even under long-term static load.
We support a wide range of material selection to meet different application requirements: from mild cold rolled steel for general assembly, 304 / 316 stainless steel for corrosion-resistant outdoor use, 6061-T6 aluminum for lightweight aerospace and automotive parts, to galvanized steel for heavy-duty industrial environments. Every finished part goes through 3 full inspection steps before delivery: dimensional CMM check, flatness measurement, and surface finish validation, to make sure it fits your assembly perfectly without any on-site modification.
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Item |
Technical Specification |
|---|---|
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Overall Length |
Customizable, standard stock 185mm |
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Overall Width |
Customizable, standard stock 62mm |
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Main Thickness |
2.0mm ~ 5.0mm, fully configurable |
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Hole Pattern Tolerance |
±0.008mm |
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Flatness Tolerance |
≤ 0.015mm across full part |
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Bend Angle Tolerance |
± 0.2° |
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Available Materials |
Cold Rolled Steel, 304 Stainless Steel, 316 Stainless Steel, 6061-T6 Aluminum, Galvanized Steel, Brass |
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Surface Treatment |
Deburr & Polished, Powder Coating, Zinc Plating, Chrome Plating, Passivation, Anodizing, Black Oxide |
One-setup Composite Machining: Multi-axis turret punch + high-speed milling completes all cutouts, knurling, countersinks and bend pre-forming in a single clamping, no secondary repositioning error, maximizes part consistency.
Precision Anti-slip Knurling Machining: The full main surface linear knurling is formed via dedicated CNC knurl tool, not etched or printed, delivers permanent non-slip friction even under heavy lateral load, no wear off after 10,000+ cycles.
Reinforced Bend Forming: All 4 side flanges are cold-formed with dedicated press die, no sharp edge burrs, the bent rib structure doubles the bracket stiffness and prevents deflection under dynamic vibration.
Hole Position Coaxiality Control: All mounting holes and dual large circular cutouts are interpolated via full closed-loop CNC path, no out-of-round deformation, every hole aligns 100% with your mating assembly.
Full-surface Stress Relieving: Every part goes through low-temperature vibratory stress relief after forming, to eliminate internal machining stress completely, no warpage or shape change after months of use.
Zero-misalignment assembly performance: All datum planes and hole patterns are controlled within micron-level tolerance, you can install it directly without any manual grinding or adjustment work.
Permanent non-slip knurled surface: The machined linear texture delivers 2.3x higher friction coefficient than smooth sheet metal, perfect for mounting modules that require no sliding movement.
Long service life in harsh environments: We offer all matching surface treatments to meet dust-proof, corrosion-resistant, scratch-proof and high-temperature working conditions.
100% custom to your drawings: We support design modification, prototype small batch production, and mass manufacturing from 1 piece to 100,000+ units, fully following your CAD files or sample references.
Full inspection traceability: Every batch comes with material certificate and dimensional inspection report, you don't need to spend extra labor on incoming quality check.
Q1: Can you manufacture this custom sheet metal bracket exactly from my own CAD drawings or physical samples?
A1: Absolutely yes — we provide full turn-key custom CNC machining service, you only need to upload your 2D/3D files or send us the original sample, our engineering team will review it for free and confirm all details before production.
Q2: What materials are available for this type of precision sheet metal part?
A2: We stock full material inventory for mild cold rolled steel, 304/316 stainless steel, 6061-T6 aluminum, galvanized steel and brass. Stainless steel is the most popular choice for outdoor and corrosion-resistant applications, while aluminum is preferred for lightweight automotive and aerospace projects.
Q3: What is the maximum tolerance precision you can guarantee for these brackets?
A3: We can hold as tight as ±0.008mm for hole position and flatness, ±0.2° for bend angles, covering all critical mating dimensions that require precise alignment.
Q4: What surface treatments can I apply on this sheet metal bracket?
A4: We support deburring & electropolishing, zinc plating, chrome plating, powder coating, passivation, hard anodizing for aluminum, black oxide treatment, and laser marking for part serial numbers. You can select the exact finish to match your end product style and working environment.
