Dongguan Lanbo Electronics Technology Co., Ltd.

Custom CNC Turned Multi-Step Shaft with Transverse Thread Hole

Custom CNC Turned Multi-Step Shaft with Transverse Thread Hole
Part No :

Custom CNC Turned Multi-Step Shaft with Transverse Thread Hole product parameters

We offer full custom CNC turning services for non-standard precision components. We manufacture lathe parts strictly according to your CAD drawings, or provide engineering design support and production arrangements based on your specific requirements.

Item	Details
Product Name	Custom CNC Turned Multi-Step Shaft with Transverse Thread Hole
Manufacturing Process	Multi-axis CNC turning, stepped diameter machining, transverse drilling, thread tapping, chamfering and deburring
Materials Available	SUS304 / SUS316 stainless steel, 1018 / 1045 carbon steel, 6061 /7075 aluminum alloy, C3600 brass, SUJ2 bearing steel
Surface Treatment	Passivation, bright polishing, electropolishing, zinc-nickel plating, black oxide, hard chrome plating, sandblasting
Tolerance Standard	±0.01mm dimensional tolerance, high coaxiality control for stepped sections, precise thread tolerance for transverse tapped hole
Inspection Standards	Dimensional measurement, concentricity test, thread gauge inspection, surface defect detection, ISO quality management system
Customization Service	Custom total length, step diameters, position of transverse hole, thread specification and hole depth according to 2D/3D drawings or samples; support prototype trial, OEM & ODM mass production

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Detailed description

Custom CNC Turned Multi-Step Shaft with Transverse Thread Hole

Our custom CNC turned multi-step shaft with transverse thread hole is precision machined rotary connecting component with multi-diameter shoulders and lateral tapped hole. As a professional CNC turning manufacturer based in Dongguan, we produce customized stepped connecting shafts with ±0.01mm high precision tolerance for global industrial equipment suppliers. We support drawing-based OEM & ODM production, covering adjustable shaft lengths, step dimensions and transverse thread specifications. These multi-step shafts are widely adopted for mechanical connection, fixed assembly and transmission structures in automation fixtures, testing equipment and precision machinery.

Introduction to CNC Lathe Turning Technology

CNC lathe turning is one of the most precise and efficient manufacturing methods for rotational metal components used in industrial automation and precision equipment. Using programmable multi-axis turning centers, solid metal bars are shaped through continuous cutting, facing, grooving, threading and boring operations with computer-controlled accuracy.
Compared with manual machining and traditional milling, precision CNC turning delivers consistent dimensional tolerances down to ±0.01mm, smooth surface finishes and excellent repeatability across high-volume production runs. It is widely used to produce pins, shafts, bushings, connectors and threaded components for mold tooling, electronic devices, medical equipment, automotive systems and industrial automation machinery.
With advanced multi-axis turning capabilities and secondary milling support, CNC lathe technology supports custom geometries including stepped diameters, ball heads, hex bodies and precision slots, which perfectly meets the diversified demands of precision locating components for industrial equipment.

What Is Multi-Step Shaft with Transverse Thread Hole & Its Industrial Role

A multi-step shaft with transverse thread hole, also named stepped connecting spindle with side tapped hole, is a rotary mechanical component composed of multiple diameter sections and lateral threaded hole. Stepped shoulders achieve axial positioning and limit assembly stroke, while the transverse threaded hole provides mounting points for screws and auxiliary fittings.
In automated assembly equipment, test jigs and mechanical transmission structures, such shafts undertake connection, transmission and positioning functions. Unstable concentricity, out-of-tolerance step size or unqualified thread will cause assembly looseness and transmission jamming. Therefore, high-precision CNC turned custom multi-step shafts are vital structural parts to guarantee stable equipment operation.

Custom Multi-Step Shaft with Transverse Thread Hole – Precision CNC Turned Connecting Shaft

We provide one-stop custom CNC turning solutions for multi-step shafts with transverse thread hole, serving automation equipment factories, precision testing enterprises and machinery manufacturers worldwide.
Our production range covers all types of stepped shaft hardware: single-stage stepped spindles, multi-diameter connecting shafts, locating shafts with side tapped holes, custom short mandrels and non-standard transmission shafts.
All products are manufactured via precision CNC lathe turning, drilling and transverse thread tapping, followed by full deburring. We complete turning, profiling, hole machining and surface finishing strictly in accordance with your 2D/3D engineering drawings. Apart from individual finished shafts, we also offer kitting service, bundling matching fasteners together to simplify your incoming material management and assembly procedures.

Key Advantages of Our CNC Turned Multi-Step Shafts

Ultra-precise dimensional & concentricity consistency

All shafts are processed on multi-axis CNC turning equipment with in-process size monitoring. Uniform step dimensions and accurate transverse thread guarantee reliable assembly and stable rotation performance for every single part.

Flexible secondary machining & kitting service

Beyond standard turning, drilling and tapping processing, we support customized chamfering, length modification and additional groove machining. We can also match auxiliary accessories according to your demands, reducing your secondary processing workload and shortening your whole equipment production cycle.

Excellent durability for continuous industrial operation

We adopt premium SUS304/SUS316 stainless steel, carbon steel, bearing steel and aluminum as raw materials. Optional passivation, electroplating and polishing treatments bring outstanding rust-proof, wear-resistant and anti-corrosion performance, adapting to long-running indoor and workshop working environments.

Fully customizable structural design

We freely adjust shaft diameter, total length, number of steps, shoulder dimensions, hole position and thread specifications based on your assembly requirements. New non-standard structural designs are fully supported for upgrading your new-generation equipment.

Stable mass delivery capacity

From prototype sample trial production to large-batch bulk orders, we maintain unified quality standards for stepped shafts all the time, capable of continuous mass supply to support long-term production plans for global industrial brands.

OEM Custom Service Scope

We provide comprehensive tailor-made solutions for custom multi-step shafts with transverse thread hole and all types of precision CNC turned components. For material selection, we work with SUS304 and SUS316 stainless steel, 1018 and 1045 carbon steel, 6061 and 7075 aluminum alloy, as well as C36000 brass, all available in a wide range of bar diameters to match your design specifications.
On component customization, our manufacturing scope covers knurled locating pins, dowel pins, shoulder pins, alignment pins, stepped shafts, and virtually any custom precision turned parts based on your unique requirements. For surface finishing, customers can choose from passivation, electropolishing, zinc and nickel plating, black oxide, anodizing, sandblasting and mechanical polishing to meet specific corrosion resistance and appearance needs.
In terms of service mode, we supply both individual precision turned parts and kitted pre-assembled locating components according to your production workflow. For custom tooling and fixtures, we develop exclusive turning setups based on your engineering drawings or physical samples, with full support for small-batch prototype testing before full production commitment.

Typical Application Scenarios

Our custom CNC turned multi-step shafts with transverse thread hole are widely applied in industrial automation assembly jigs, precision testing fixtures, mechanical transmission assemblies, robotic connecting structures, new energy equipment and automated production tooling.

Frequently Asked Questions

FAQ 1

Q: Can you produce custom CNC turned parts according to my drawings or samples?
A: Yes, we mainly focus on OEM & ODM customized precision turning services. We accept 2D files like PDF/DWG and 3D files such as STEP, IGES. You can also send physical samples for us to reverse-engineer and optimize the structure. Our engineering team will review your design and offer professional suggestions on cost saving and manufacturability (DFM) for free.

FAQ 2

Q: What kinds of metal materials can you use for CNC turning processing?
A: We support a full range of common precision machining metals, including SUS304/SUS316 stainless steel, 1018/1045 carbon steel, 6061/7075 aluminum alloy, C36000 brass, copper and titanium. We can select suitable raw materials based on your product usage, working environment, strength requirements and budget.

FAQ 3

Q: Can I get trial samples before mass production? How long is the sample lead time?
A: Trial samples are available for all customized turning orders. The sample production cycle is 3–7 working days after drawing confirmation. After you test and confirm the sample quality and dimensions, we will arrange mass production. Small batch trial orders are also acceptable if you do not need large volume at first.

FAQ 4

Q: What surface finishing options do you provide for CNC turned metal parts?
A: We offer multiple surface treatments to meet anti-rust, anti-corrosion, wear resistance and appearance demands: passivation, electropolishing, zinc plating, nickel plating, black oxide, powder coating, anodizing for aluminum, sandblasting and polishing. If your products are exported to Europe, we can provide surface treatment that complies with RoHS and REACH standards.

FAQ 5

Q: How do you control the dimensional tolerance of precision CNC turned parts?
A: Our standard tolerance for general turned parts is ±0.01mm, and ultra-precision components can achieve ±0.005mm with grinding processes. We carry out strict three-step quality inspection: IQC for raw material incoming check, IPQC for in-process production monitoring, and FQC full dimension testing before shipment. We provide inspection reports and accept third-party quality inspection as requested.

About our company

Dongguan Lanbo Electronic Technology Co., Ltd. (Brand: LAMBOOR) was established in 2010 with 15 years of experience in precision hardware manufacturing. We own a 3,000 sq.m standardized factory and employ over 100 professional technicians, acting as an integrated one-stop manufacturer specializing in custom precision hardware structural components, covering mold development, stamping, sheet metal, CNC turning, welding and dust-free assembly.

We are fully equipped with Jinfeng/Aomate stamping machines, laser cutting machines, CNC bending machines, together with complete QC testing equipment including 2D projectors, salt spray testers and tensile testers. Certified to ISO9001:2015, we hold multiple utility model patents for hardware molds.

Our products are widely applied in consumer electronics, optical communication, medical devices, automotive and new energy electrical industries, with more than 400 customized projects completed. We maintain long-term partnerships with renowned enterprises including KYOCERA, Foxconn and RICOH.

63% of our annual RMB 30 million revenue comes from overseas exports. Our self-developed progressive mold technology cuts processing costs by 80%. We support rapid prototyping and mass production, delivering stable, cost-effective customized hardware solutions for global clients.