010 CNC Turning Brass Threaded Shoulder Stud
CNC Turning Brass Threaded Shoulder Stud | Case 010 | FIWOK METALWORKS
- • Manufacturing Process: Precision CNC Turning / Continuous Lathe Machining / External Thread Cutting
- • Core Material Category: Copper Machining Components (Premium Free-Cutting Industrial Brass Grade)
- • Production Run Volume: 2,000 pcs (Scalable Continuous Turning Production, 50 to 100,000+ pcs Supported)
- • Microdata Linear Tolerance: Controlled strictly to drawing requirements, supporting tight linear tolerances down to +/-0.005mm
- • Targeted Vertical Application: Heavy Equipment Fastening, Mechanical Assembly, Mating Fixtures, Positioning Pins
- • China Factory Base Signal: Headquartered in Shenzhen, China, Established Since 2012, 100% Material Source Traceability
This technical case study details the drawing-based precision CNC turning and manufacturing process of a custom brass threaded shoulder stud. Headquartered in Shenzhen, China, and established since 2012, FIWOK METALWORKS operates as a trade-and-factory integrated precision facility specializing strictly in build-to-print custom contract manufacturing for global engineering clients, ensuring 100% material source traceability and dimensional consistency.
1. Project Introduction & Sourcing Overview
This application involved contract CNC turning of a brass threaded shoulder stud specialized for critical mechanical assembly and heavy equipment fastening lines. Featuring a concentric precision-drilled through hole, an external thread profile, and an exact step shoulder face, the component acts as a high-durability indexing and securing pin within automated mating fixtures.
For complex turned cylindrical components, FIWOK METALWORKS maintains a strict engineering review phase, optimizing automatic continuous bar-fed manufacturing workflows to isolate part-to-part variability. Our processing focuses entirely on print conformance, clean tool paths, and rigorous thread geometry defense across the entire run, bypassing any unqualified prototyping practices.
2. Engineering Specifications & Project Details
| Engineering Parameter | Verified Production Value |
|---|---|
| Case Number | Case 010 |
| Part Name | Brass Threaded Shoulder Stud |
| Official Category | Copper Machining Components |
| Material Grade | High-Grade Free-Cutting Brass (Source Traceable) |
| Machining Operations | Precision Turning, Concentric Drilling, External Thread Cutting |
| Key Geometry | Concentric through hole, external uniform threads, square shoulder stop face |
| Linear Tolerance | Controlled strictly to your drawing requirements, supporting tight linear tolerances down to +/-0.005mm based on component features. |
| Surface Roughness | Ra 0.8μm to Ra 1.6μm (As Machined baseline) |
| Production Volume | 2,000 pcs batch size (Capacity handles 50 to 100,000+ pcs for turning runs) |
| Quality Documentation | Material certifications + Dimensional batch inspection reports |
Contract CNC Turning Production
Advanced automatic lathe configurations for high-grade industrial brass rods, maintaining strict dimensional compliance to custom technical prints for repeatable global supply programs.
3. CNC Turning Capability Highlights & Setup Control
Automatic Continuous Bar-Fed Lathes: Our setup integrates high-speed automated bar feeders, optimizing continuous lathe loops for rods, shafts, sleeves, pins, and custom threaded studs. This mechanical stabilization allows tool-wear compensation routines to remain perfectly linear across long manufacturing blocks.
Calibrated Thread Gauge Protocols: To guarantee zero failure rates at the assembly point, every external thread is tested inline using standard ring thread gauges and precise plug metrics. Pitch diameter, flank layout, and lead angles are actively verified at scheduled batch intervals, eliminating pitch deviations.
Free-Cutting Alloy Chip and Burr Defenses: Free-cutting alloys require exact speed management to prevent boundary built-up edges (BUE). Our lathe workflows deploy optimized rake angles and targeted tool geometry selection to shear clean threads, eliminate micro burrs, and establish uniform surface consistency without thermal distortion.
Scalable Cost Efficiency Matrices: By utilizing automated continuous systems, setup amortizations drop sharply as volume increases. Our standard framework translates stabilized workflows, fixed tool coordinates, and zero-defect inspections into significant cost savings for clients managing recurring mid-to-large-scale component orders.
4. Common CNC Turning Materials Support
FIWOK METALWORKS manufactures precision cylindrical assets out of an extensive selection of standard metals and plastics, adjusting feed dynamics to match compound density:
- Brass / Bronze Alloys: Selected for fluid control connections, fasteners, custom studs, contact terminals, electrical hardware, and low-friction wear bushings.
- Aluminum Grades (6061-T6, 7075-T6): Ideal for lightweight turned components, protective electronics sleeves, adapters, alignment housings, and aerospace structures.
- Stainless Steel (303, 304, 316L): High-strength shafts, medical pins, fluid bodies, marine fittings, and threaded adapters facing heavy corrosive environments.
- Engineering Plastics (PEEK, POM/Delrin, Nylon): Provides critical electrical insulation, non-magnetic structures, lab spacers, low-friction bushings, and lightweight wear guides.
5. Surface Finish Options for Turned Parts
Post-processing selection is mapped to material behaviors, surface defense specs, and spatial fit parameters. While Case 010 maintains an as machined boundary, we coordinate with vetted suppliers to execute specialized options:
- As Machined Finish: Preserves pristine print dimensions and clean machine lines; perfect for concealed internal hardware and structural fittings.
- Anodizing (Type II / Type III Hardcoat): Builds uniform electrochemical oxidation layers on aluminum turned sleeves, expanding surface hardness and color options.
- Industrial Metal Plating: Includes nickel, passivated zinc, chrome, or gold plating on steel or brass turned parts to boost electrical conductivity or rust defenses.
Discover more about our finish matching policies: View Surface Finishing Services
6. Production Video Demonstration
Watch our specialized continuous CNC lathe high-speed machining process demonstrating precise thread profile loops, automatic bar-fed stabilization, and concentric core drilling for this high-end custom hardware delivery.
7. Contract CNC Turning Technical FAQ
A1: Linear and diametrical features are processed strictly according to drawing requirements. Our CNC lathe lines support linear positioning and turning limits down to +/-0.005mm depending on component architecture.
A2: Yes, our live-tool turning platforms perform external thread cutting, precision high-aspect drilling, face multi-grooving, and circular turning parameters within a unified single setup to optimize relative concentricity.
A3: All threaded hardware undergoes scheduled inspection sweeps with calibrated thread ring and thread plug gauges. This protocol maps thread integrity, pitch boundaries, and engagement depth to eliminate binding.
A4: Automated bar feeders drop manual intervention cycles to near zero. Stabilized tool settings, uniform component feeds, and continuous non-stop operation loops reduce manufacturing overhead drastically as volume expands.
A5: Our processing capabilities handle free-machining brass, aluminum, carbon steel, specialty stainless alloys, oxygen-free copper, and rigid polymer materials such as PEEK or Delrin.
A6: We supply as-machined baselines, clear bead blasting textures, passivation layers, chemical blackening, nickel plating, zinc coating, color powder painting, and anodized films.
A7: Yes, we specialize in low-to-medium contract manufacturing programs with an operational capacity optimized for volume distributions spanning from 50 up to 100,000+ pieces.
A8: We routinely export engineered components to OEM and assembly operations across the United States, United Kingdom, Germany, Canada, Australia, and the Netherlands.
Submit Your Technical Blueprints For Engineering Review
Need professional contract manufacturing for precision brass studs, turned cylindrical hardware, or multi-axis copper machining components? We support flexible SME production batches from 50 to 100,000+ pieces with robust quality verification chains.
Please email your 2D engineering prints (PDF format for dimensional tolerances) and 3D CAD files (STEP/IGS format for tool-path profiling) along with detailed material specs and batch volume goals. Our integrated trade-and-factory asset review team will verify blueprint conformance promptly.




