CNC Machining From 1 Off to Volume Production

ISO 9001:2015 & 13485:2016 Certified

35+ CNC Machines & Post-Finishing

60+ Materials Available

No more waiting for weeks – get your precision CNC parts in as fast as 3 days

We review your files and send a detailed quote + free DFM analysis within 24 hours, no more waiting for days.

Standard prototype parts delivered in 3-7 days, rush orders available in as fast as 3 days.

Low-volume production completed in 7-15 days, 50% faster than the industry average.

From material sourcing, machining, surface finish to delivery, all in one place to save your time.

Technical Specifications

Process Introduction

Machine Type

Max. Workpiece Size (mm)

Min. Workpiece Size (mm)

3-axis CNC

Typical Applications

800 × 500 × 450

Positioning Tolerance

50 × 30 × 20

±0.03 mm

Full lineup of 3/4/5-axis machining centers delivers reliable processing for structural components and complex precision parts. Machines are matched to part geometry and production volume for stable, efficient output.

Included Equipment

· 3-axis CNC Machine (13 Sets)

· 4-axis CNC Machine (10 Sets)

· 5-axis CNC Machine (6 Sets)

4-axis CNC

5-axis CNC

Structural parts, complex contour components, fixture & tooling parts, multi-feature machined components, precision housing parts, custom mechanical parts

600 × 400 × 400

500 × 380 × 320

40 × 25 × 15

30 × 20 × 10

±0.025 mm

±0.02 mm

Standard Surface Roughness Ra

Ra ≤ 1.6 μm

Ra ≤ 0.8 μm

Ra ≤ 0.4 μm

Process Introduction

Technical Specifications

Machine Type

Max. Machining Diameter (mm)

Min. Machining Diameter (mm)

CNC Turning Lathe

φ150

φ2.0

Typical Applications

Repeat Positioning Tolerance

±0.025 mm

Integrated turning and turn-mill processes enable one‑clamping precision machining for rotary components. This reduces re‑positioning errors, shortens cycle times, and maintains consistent dimensional accuracy.

Included Equipment

· Conventional CNC Turning Lathes (4 Sets)

· Turn-Mill Combined Machining Centers (4 Sets)

Turn-Mill Compound Center

Shaft parts, threaded components, precision pins, rod parts, valve cores, fasteners, complex rotary components with multi‑side features

φ120

φ1.5

±0.02 mm

Standard Surface Roughness Ra

Ra ≤ 0.8 μm

Ra ≤ 0.4 μm

Process Introduction

Technical Specifications

Machine Type

Max. Machining Diameter (mm)

Min. Machining Diameter (mm)

Tsugami Swiss-Type Lathe

φ22

φ0.5

Typical Applications

Repeat Positioning Tolerance

±0.02 mm

High-precision Swiss-type lathes specialize in slender shafts and miniature precision components. They support small‑batch prototyping and mass production with excellent dimensional stability and consistency.

Included Equipment

· Tsugami Swiss-Type Automatic Lathe (2 Sets)

Micro shafts, tiny pins, miniature fasteners, small electronic components, slender precision parts, micro mechanical components

Standard Surface Roughness Ra

Ra ≤ 0.4 μm

Process Introduction

Technical Specifications

Machine Type

Max. Processing Limit (mm)

Min. Feature Size (mm)

CNC Wire EDM

Max workpiece thickness 300

Min slit width φ0.3

Typical Applications

Feature Position Tolerance

±0.02 mm

Wire EDM and deep hole drilling provide solutions for complex cavities, narrow slots, and ultra-deep holes. They cover high‑difficulty features that standard milling and turning cannot achieve.

Included Equipment

· CNC Wire EDM Machines (3 Sets)

· Precision Deep Hole Drilling Machines (2 Sets)

Deep Hole Drilling

Special-shaped components, deep‑hole parts, mold inserts, narrow slot structures, internal cavities, high‑hardness material parts

Max hole depth 500

Min hole diameter φ1.0

±0.025 mm

Standard Surface Roughness Ra

Ra ≤ 0.4 μm

Ra ≤ 1.6 μm

– Fast Delivery Without Compromising Precision

✅ Actual Machining Performance: Our practical finished-part tolerance stability outperforms official DIN ISO 2768 standard requirements across all dimensional ranges

✅ Default Standard: All unmarked dimensions follow **DIN ISO 2768-m (Medium)

✅ Precision Capability: Up to ±0.02mm for micro parts via Tsugami Swiss-Type machining

✅ 100% In-line Inspection: All parts are fully inspected by CMM before shipment, no extra delay

📌 Note: Custom tolerances are available upon request, please mark on your 2D drawings.

Nominal Length (mm)

f (Fine)

m (Medium)

c (Coarse)

v (Very Coarse)

0.5 – 3

±0.05

±0.1

±0.2

-

3 – 6

±0.05

±0.1

±0.3

±0.5

6 – 30

±0.1

±0.2

±0.5

±1.0

30 – 120

±0.15

±0.3

±0.8

±1.5

120 – 400

±0.2

±0.5

±1.2

±2.5

400 – 1000

±0.3

±0.8

±2.0

±4.0

1000 – 2000

±0.5

±1.2

±3.0

±6.0

2000 – 4000

-

±2.0

0.5 – 3

±8.0

Nominal Length (mm)

f (Fine)

m (Medium)

c (Coarse)

v (Very Coarse)

0.5 – 3

±0.2

±0.2

±0.4

±0.4

3 – 6

±0.5

±0.5

±1.0

±1.0

Over 6

±1.0

±1.0

±2.0

±2.0

Nominal Length (mm)

f (Fine)

m (Medium)

c (Coarse)

v (Very Coarse)

Up to 10

±1°

±1°

±1°30′

±3°

10 – 50

±0°30′

±0°30′

±1°

±2°

50 – 120

±0°20′

±0°20′

±0°30′

±1°

120 – 400

±0°10′

±0°10′

±0°15′

±0°30′

Over 400

±0°5′

±0°5′

±0°10′

±0°20′

Nominal Length (mm)

H

K

L

Up to 10

0.02

0.05

0.1

10 – 30

0.05

0.1

0.2

30 – 100

0.1

0.2

0.4

100 – 300

0.2

0.4

0.8

300 – 1000

0.3

0.6

1.2

1000 – 3000

0.4

0.8

1.6

Nominal Length (mm)

H

K

L

Up to 100

0.2

0.4

0.6

100 – 300

0.3

0.6

1

300 – 1000

0.4

0.8

1.5

1000 – 3000

0.5

0.8

2

Nominal Length (mm)

H

K

L

Up to 100

0.5

0.6

0.6

100 – 300

0.5

0.6

1

300 – 1000

0.5

0.8

1.5

1000 – 3000

0.5

1

2

Tolerance Class

H

K

L

Tolerance Value

0.1

0.2

0.5

✅ In-Stock & Delivery Promise: Full grades in-stock with no sourcing wait, supporting 3-7 day rapid prototyping and volume production

✅ Core Material Positioning: Versatile CNC machining material with excellent surface finish capability, ideal for most industrial structural parts and prototypes

✅ Machining Compatibility: Compatible with our full range of 3/4/5-axis milling, CNC turning, and turn-mill compound machining, with superior machinability

6060

Grade

Core Feature

Good formability and anodization performance, excellent surface finish, suitable for decorative and extrusion parts

5082

5083

6061

6063

6082

7075-T651

Excellent corrosion resistance, good formability, suitable for marine and harsh environment components

Superior corrosion resistance and weldability, high strength, ideal for pressure vessels and structural parts

General-purpose grade, excellent machinability, good strength-to-weight ratio, ideal for rapid prototyping and fixtures

Superior anodization capability, high ductility, perfect for decorative parts, heat sinks and extrusion profiles

High strength, excellent machinability and corrosion resistance, suitable for structural components and automotive parts

Ultra-high aerospace-grade strength, good fatigue resistance, excellent dimensional stability, ideal for high-load structural parts

2024

MIC-6

High fatigue strength, excellent machinability, stable performance under dynamic loads, suitable for aerospace and automotive components

Ultra-low internal stress, excellent dimensional stability, superior flatness, ideal for precision fixtures, tooling and high-tolerance

304

Grade

Core Feature

General-purpose corrosion-resistant grade, excellent formability, sterilizable, widely used in food equipment and industrial parts

301

303

316

420

440

630/17-4 PH

High ductility, good corrosion resistance, suitable for forming parts and springs

Free-machining grade, no tool sticking during high-speed machining, perfect for high-volume fasteners and shafts

Superior pitting corrosion resistance, marine-grade, medical grade, ideal for surgical instruments and harsh environment components

High hardness, excellent wear resistance, moderate corrosion resistance, suitable for surgical blades and mold inserts

Ultra-high hardness, maximum wear resistance, suitable for high-wear components including bearings and valve parts

Precipitation hardening grade, high strength and hardness, good corrosion resistance, suitable for surgical instruments and aerospace parts

465

455

High-strength precipitation hardening stainless steel, excellent toughness corrosion resistance, ideal for aerospace and high-load components

Ultra-high strength precipitation hardening grade, good machinability, suitable for high-performance fasteners and structural parts

Ti-6Al-4V-ELI

Grade

Core Feature

Ultra-high biocompatibility, extra low interstitial content, full batch traceability, suitable for long-term implantation and orthopedic parts

Ti6Al-4V (TC4)

TC5

Medium carbon steel, good strength and hardness, excellent machinability, suitable for medium-load shafts, gears and structural parts

High strength titanium alloy, excellent corrosion resistance and toughness, suitable for structural components and high-load parts

PTFE

Grade

Core Feature

Ultra-low friction, excellent chemical resistance, high temperature resistance, suitable for seals and insulating components

ABS

POM

PMMA

PC

PEEK

PP

General-purpose engineering plastic, low cost, excellent machinability, ideal for prototype verification and enclosures

High rigidity, excellent wear resistance, self-lubricating, good dimensional stability, suitable for gears and sliding components

Excellent optical transparency, good machinability, perfect for visual prototypes and decorative parts

High transparency, high impact resistance, good dimensional stability, ideal for transparent parts and protective housings

High-performance medical grade plastic, biocompatible, high temperature resistance, excellent chemical resistance, sterilizable

Good chemical resistance, low density, excellent fatigue resistance, suitable for general housings and fluid components

PE

HDPE

Excellent chemical resistance, low cost, good ductility, suitable for general non-load-bearing components and prototypes

High density polyethylene, excellent chemical resistance and impact strength, suitable for fluid handling components and tanks

PA6

PBT

PEI

PET

PPS

PPSU

High toughness, good wear resistance, self-lubricating, ideal for gears, bearings and structural parts

Excellent dimensional stability, good chemical resistance, suitable for electronic components and precision parts

High temperature resistance, excellent dimensional stability, good flame retardancy, suitable for aerospace and electronic components

Excellent dimensional stability, good chemical resistance, suitable for food contact parts and electronic components

High temperature resistance, excellent chemical resistance and dimensional stability, suitable for high-performance industrial components

High temperature resistance, excellent chemical resistance and impact strength, sterilizable, suitable for medical device components

S235

Grade

Core Feature

General structural steel, good weldability and formability, low cost, ideal for structural frames, brackets and base plates

1040

#45

Mild Steel

Medium carbon steel, good strength and hardness, excellent machinability, suitable for medium-load shafts, gears and structural parts

Medium carbon structural steel, balanced strength and toughness, excellent machinability, widely used for shafts, pins, fixtures

Low carbon general-purpose steel, high ductility, excellent weldability and formability, low cost, suitable for general fixtures, brackets

738

Grade

Core Feature

Upgraded pre-hardened mold steel, superior polishability and machinability, ideal for high-demand plastic molds with complex structures

P20

718

NAK 80

S136

D2

A2

Pre-hardened plastic mold steel, excellent machinability and polishability, no post-heat treatment needed, ideal for plastic injection molds

Pre-hardened plastic mold steel, good hardness uniformity, excellent machinability, suitable for medium and large-sized mold components

Pre-hardened mirror-grade mold steel, excellent polishability and machinability, no heat treatment required, perfect for high-gloss optical molds

Eexcellent anti-rust performance, superior mirror polishability, ideal for high-precision and corrosion-resistant mold parts

Maximum wear resistance and high hardness, ideal for stamping dies, cutting tools and punches

Excellent dimensional stability after hardening, good wear resistance, suitable for precision punches and blanking dies

Grade

Core Feature

Cu-ETP

100% electrical conductivity, excellent thermal conductivity, high ductility, ideal for electronic pins, busbars and conductive components

Grade

Core Feature

H59 Brass

H62 Brass

General-purpose brass alloy, good strength and machinability, low cost, suitable for general hardware, valves and fasteners

High ductility, excellent corrosion resistance and machinability, suitable for electronic connectors, valves and decorative parts

Grade

Core Feature

Zamak 3

Zamak 5

Most widely used zinc alloy, excellent castability, good dimensional stability, ideal for complex thin-walled parts

Higher strength than Zamak 3, good hardness and wear resistance, suitable for structural parts with higher load requirements

Grade

Core Feature

AZ31B

AZ91D

General-purpose magnesium alloy, excellent machinability, good weldability, high strength-to-weight ratio

High strength, excellent castability, good corrosion resistance, ideal for die-cast lightweight structural parts

Grade

Core Feature

Co-Cr-Mo

AZ91D

Medical implant grade cobalt-chromium-molybdenum alloy, ultra-high wear resistance, excellent biocompatibility and corrosion resistance, ideal for artificial joints, bone plates and orthopedic implant components

High-strength cobalt-chromium alloy, excellent fatigue resistance and corrosion resistance, suitable for high-load orthopedic implants and surgical instrument components

• As Machined (Standard)                                  

• Deburring & Edge Breaking                             

• Bead Blasting                                                  

• Anodizing (Standard & Hard Coat)                  

• Mechanical Polishing                                       

• Electropolishing (Medical Grade)                    

• Passivation                                                      

• Black Oxide Finishing                                          

• Plating

• Powder Coating

• Wet Spray Painting

• PTFE & Specialty Coatings

• Laser Engraving & UDI Marking

• Screen & Pad Printing

• Heat Treatment & Stress Relieving

• Custom Finishes 

View Details

Full-process solutions, no multi-supplier coordination needed

Quick response to keep your project on tight timeline

Our equipment is CE certified and holds an ISO 9001 certificate, demonstrating our commitment to quality and continuous improvement.

Adjust for timeline, volume & all your evolving needs

Consistent commitment to keep your project on track

Top priority to meet and exceed your expectations

Submit your OEM RFQ via online form or email—fast, simple, and tailored for custom precision parts.

Get your OEM quote in 1–24 hours, plus free DFM analysis to validate manufacturability.

Confirm order & launch 3–7 day production under strict ISO 9001/13485 standards.

100% full inspection of all parts, then we arrange fast global shipping via DHL/FedEx/UPS, with real-time tracking for your order.

1-24H Quote Response • No MOQ Required • 99.8% On-Time Fast Delivery • ISO-Certified Quality

Address: 303, 3rd floor, building A, No. 80 ChangJiang Road, Dong District, ZhongShan City, GuangDong Province, China 528403

Email: selina@marigold-rapid.com

Mobile: +86 18718750572