Dongguan Lanbo Electronics Technology Co., Ltd.

Custom CNC Turned Stepped Threaded Shaft With End Hole

Custom CNC Turned Stepped Threaded Shaft With End Hole
Part No :

Custom CNC Turned Stepped Threaded Shaft With End 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 Stepped Threaded Shaft With End Hole
Manufacturing Process	CNC lathe turning, external thread machining, taper turning, shoulder forming, end hole drilling, chamfering & deburring
Materials Available	SUS304 / SUS316 stainless steel, 1018/1045 carbon steel, 6061/7075 aluminum alloy, brass
Surface Treatment	Raw finish, passivation, electropolishing, zinc plating, nickel plating, sandblasting, black oxide
Tolerance Standard	Diameter tolerance: ±0.01mm; Length tolerance: ±0.02mm; Thread & hole precision comply with ISO standards; Surface roughness Ra 0.8~Ra3.2
Inspection Standards	Full dimensional test by optical comparator & micrometer; thread detection, hole concentricity check; appearance & surface inspection; FAI inspection reports available
Customization Service	Custom step sizes, shaft length, thread specs, hole position & diameter; adjustable taper angle; optional materials, tolerance grades and surface finishes; OEM & ODM drawing customization

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Detailed description

Custom CNC Turned Stepped Threaded Shaft With End Hole

Our Custom CNC Turned Stepped Threaded Shaft With End Hole are multi-stage precision rotary components integrated with stepped shoulders, tapered sections, standard external threads and top end through holes. As a professional CNC turning manufacturer based in Dongguan, we produce non-standard customized locating shafts with ±0.01mm ultra-precise dimensional tolerance fully in accordance with customers’ 2D and 3D engineering drawings. The reserved end hole facilitates pin connection and rotational locking assembly, which is widely applied for positioning, rotating connection and fastening locking on automation fixtures, precision testing equipment and industrial mechanical structures. We provide full OEM & ODM tailored service to satisfy diverse assembly demands of global industrial equipment suppliers.

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 Stepped Threaded Shaft With End Hole & Its Industrial Role

A stepped threaded shaft with end hole is a multi-tiered cylindrical positioning axle composed of limiting stepped shoulders, tapered transition sections, external threaded segments and a penetrating hole on the top end. The layered steps control accurate assembly depth, external threads realize locking installation, and the top hole is designed for pin penetration to fix rotating parts and prevent axial slipping.
In automated production jigs, precision testing devices and mechanical assembly systems, this shaft acts as the core rotating and positioning benchmark. Unified concentricity, thread precision and hole position tolerance are essential to avoid assembly deviation, rotational shake and component loosening during long-time continuous operation. Substandard dimensional accuracy will trigger unstable equipment running and frequent part replacement, so high-precision custom CNC turned stepped threaded shafts with end holes are indispensable structural fasteners for precision industrial assembly.

Custom CNC Turned Stepped Threaded Shaft With End Hole

We provide one-stop custom CNC turning solutions for stepped threaded shafts with end holes and multi-stage stepped locating axles, serving automation equipment factories, precision jig manufacturers and electronic machinery enterprises worldwide.
Our production scope covers various customized multi-step rotary hardware: single-hole stepped threaded positioning shafts, tapered transition shoulder axles, flange limit threaded pins, non-standard long stepped rotary mandrels and special-shaped hole-opening stepped connecting shafts.
All products are manufactured by precision CNC lathe turning, combined with thread cutting, taper turning, end hole drilling and deburring processes. We complete all machining procedures and surface finishing strictly following your engineering drawings. Apart from separate finished single shafts, we also offer accessory matching service to simplify your incoming material management and on-site assembly procedures.

Key Advantages of Our CNC Turned Stepped Threaded Shaft With End Hole

Ultra-precise concentricity & consistent dimensional accuracy

All shafts are processed on multi-axis CNC turning machines with whole-process dimensional monitoring. Unified step height, thread pitch and hole position precision guarantee stable positioning and rotating performance, effectively eliminating assembly deviation and component shake during equipment operation.

Flexible secondary machining & accessory matching service

Based on standard turning, threading and drilling processing, we support customized adjustment of hole diameter, hole position, taper angle and step quantity. We can also equip matching pins, gaskets and locking parts as required, reducing your secondary processing workload and shortening your overall equipment production cycle.

Outstanding durability for long-duration industrial continuous operation

We select premium SUS304/SUS316 stainless steel, carbon steel and aluminum alloy as raw materials. Optional passivation, electroplating and polishing treatments deliver excellent rust-proof, wear-resistant and anti-corrosion performance, adapting to all kinds of indoor workshop long-running working environments.

Fully customizable structural overall design

We freely adjust shaft diameter, total length, thread specification, stepped size and end hole parameters according to your assembly requirements. Brand new non-standard special structural designs are fully supported for your updated generation equipment development.

Stable mass production & punctual delivery capability

From small-batch prototype sampling to large-volume bulk orders, we always implement unified strict quality inspection standards for our stepped threaded shafts. Sufficient production capacity ensures continuous stable supply, supporting long-term procurement plans of global industrial brands.

OEM Custom Service Scope

We provide comprehensive tailor-made solutions for custom stepped threaded shafts with end holes 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 stepped threaded shafts with end holes are widely used in industrial automation assembly fixtures, precision electronic testing equipment, automotive small mechanical assemblies, semiconductor inspection jigs, medical device connecting fittings and intelligent household appliance structural rotating parts.

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.