Dongguan Lanbo Electronics Technology Co., Ltd.

Custom CNC Turned Flanged Internal Thread Sleeve

Custom CNC Turned Flanged Internal Thread Sleeve
Part No :

Custom CNC Turned Flanged Internal Thread Sleeve 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 Flanged Internal Thread Sleeve
Manufacturing Process	Precision CNC lathe turning, internal thread tapping, one-piece forming machining
Materials Available	SUS304 / SUS316 stainless steel, 1018/1045 carbon steel, 6061/7075 aluminum alloy, C36000 brass
Surface Treatment	Passivation, sandblasting, mechanical polishing, zinc/nickel plating, black oxide, anodizing
Tolerance Standard	±0.01mm precision dimensional tolerance, strict thread fit tolerance control
Inspection Standards	Dimension detection, thread accuracy testing, flatness inspection, concentricity measurement, ISO quality control system
Customization Service	Custom flange diameter, sleeve height, wall thickness and internal thread specification according to 2D/3D drawings or physical samples; support prototype trial production and mass orders

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Detailed description

Custom CNC Turned Flanged Internal Thread Sleeve

Our custom CNC Turned Flanged Internal Thread Sleeve is an integrated precision connecting component with flange base and internal thread structure. As a professional CNC turning manufacturer based in Dongguan, we produce customized flanged internal thread sleeves with ±0.01mm ultra-precise tolerance strictly based on customers’ 2D & 3D engineering drawings. We support OEM & ODM customization for flange size, sleeve height and thread specifications. These metal flanged thread sleeves are widely used for threaded connection, fixed mounting and sealing assembly in automation machinery, testing equipment and industrial hardware systems.

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 machining support, CNC turning supports custom geometries including stepped diameters, flanges, internal threads and precision grooves, which perfectly meets the diversified demands of precision locating components for industrial equipment.

What Is Flanged Internal Thread Sleeve & Its Industrial Value

A flanged internal thread sleeve is a one-piece machined part combining a mounting flange and internally threaded cylinder. The flat flange provides stable surface mounting, while the internal thread realizes reliable threaded assembly. It solves loose installation and poor concentricity problems caused by separate mounting rings and thread sleeves.

In automated equipment, testing fixtures and mechanical assemblies, flanged internal thread sleeves undertake important fixed connection tasks. Stable flatness, qualified thread engagement and precise concentricity are vital to ensure long-term stable assembly performance. Therefore, custom CNC turned flanged internal thread sleeves are essential connecting hardware for various precision industrial machinery.

Custom Flanged Internal Thread Sleeve Service Introduction

We provide one-stop custom CNC turning solutions for flanged internal thread sleeves and various precision threaded bushings, serving automation equipment suppliers, electronic machinery factories and precision equipment manufacturers globally.

Our product range covers multiple customized threaded hardware: flanged internal thread sleeves, threaded mounting bushings, cylindrical threaded ferrules, stepped threaded sleeves and other non-standard turning components.

All products are processed via integrated CNC turning and internal thread machining. All size requirements and surface treatments can be implemented strictly according to your engineering drawings. Besides individual finished sleeves, we can also provide matched fitting parts to simplify your procurement and assembly work.

Key Advantages of Our CNC Turned Flanged Internal Thread Sleeves

Ultra-precise dimensions & reliable thread matching

All flanged internal thread sleeves are manufactured on multi-axis CNC turning machines with full-process dimension monitoring. Uniform flange flatness, consistent wall thickness and precise thread tolerance ensure stable assembly interchangeability for every batch.

Flexible all-round structural customization service

Supported by CNC turning and thread machining technology, we freely customize flange outer diameter, sleeve height, wall thickness and internal thread standards. We optimize structural parameters according to your installation space to eliminate extra secondary processing.

Excellent raw material mechanical performance

We adopt high-quality SUS304/SUS316 stainless steel, aluminum alloy, carbon steel and brass materials, featuring good corrosion resistance, structural rigidity and wear resistance. Multiple surface treatment options are available to adapt to different working environments.

Support development of non-standard special specifications

We can design exclusive special thread standards, irregular flange shapes and special tolerance requirements according to new equipment projects, offering targeted customized hardware solutions for equipment upgrading.

Stable mass production & on-time delivery

From small-batch prototype trial runs to large-volume mass production, we implement unified strict inspection standards. Mature processing technology guarantees stable supply, supporting long-term continuous procurement from global industrial customers.

OEM Custom Service Scope

We provide comprehensive tailor-made service for custom flanged internal thread sleeves and all kinds of precision CNC turned components:

Material options: SUS304/SUS316 stainless steel, 1018/1045 carbon steel, 6061/7075 aluminum alloy, brass C36000, in various diameters

Component customization: Flanged internal thread sleeves, dowel pins, shoulder pins, alignment pins, stepped shafts, custom precision turned parts

Surface treatment: Passivation, electropolishing, zinc/nickel plating, black oxide, anodizing, sandblasting, polishing

Service mode: Supply single precision turned parts or kitted pre-assembled locating components

Custom tooling: Develop exclusive turning fixtures and tooling according to your drawings or physical samples, support small batch prototype testing

Typical Application Scenarios

Our custom CNC turned flanged internal thread sleeves are widely applied in industrial automation equipment, electronic testing jigs, semiconductor auxiliary machinery, automotive assembly tooling, precision instrument connecting structures and general mechanical mounting hardware.

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.