Dongguan Lanbo Electronics Technology Co., Ltd.

Custom CNC Turned Knurled Aluminum Adjustment Knob

Custom CNC Turned Knurled Aluminum Adjustment Knob
Part No :

Custom CNC Turned Knurled Aluminum Adjustment Knob 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 Knurled Aluminum Adjustment Knob
Manufacturing Process	Precision CNC lathe turning, outer knurling machining, set screw hole drilling and deburring
Materials Available	6061 / 7075 aluminum alloy, SUS304 / SUS316 stainless steel, 1018 / 1045 carbon steel
Surface Treatment	Black anodizing, clear anodizing, hard anodizing, sandblasting, polishing, passivation
Tolerance Standard	±0.01mm dimensional tolerance, precise knurl consistency, concentricity and hole position control
Inspection Standards	Dimensional testing, knurl surface inspection, hole position verification, ISO quality control system
Customization Service	Custom outer diameter, height, inner bore size, knurl pattern and set screw hole position according to 2D/3D drawings or samples; support prototype trial and mass OEM & ODM production

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Detailed description

Custom CNC Turned Knurled Aluminum Adjustment Knob

Our custom CNC Turned Knurled Aluminum Adjustment Knob is a precision rotary operating component with anti-slip knurled surface. As a professional CNC turning manufacturer based in Dongguan, we produce customized knurled aluminum adjustment knobs with ±0.01mm ultra-precise tolerance strictly in accordance with customers’ 2D & 3D engineering drawings. We support full OEM & ODM customization for outer diameter, height, inner bore size, knurl style and set screw hole layout. These black anodized knurled knobs are widely adopted for manual adjustment, rotary control and positioning locking on instruments, test equipment and automation 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 paired with secondary milling support, CNC lathe technology enables custom geometries including stepped diameters, ball ends, hexagonal profiles and precision slots, which perfectly meets diversified demands for precision positioning components in industrial equipment.

What Is Knurled Aluminum Adjustment Knob & Its Industrial Role

A knurled aluminum adjustment knob is a cylindrical machined part featuring textured knurling on the outer circumference. The knurl texture greatly increases friction during manual rotation to prevent slipping during tuning and adjustment. The built-in set screw hole allows secure locking onto the matched shaft to avoid loose rotation.
In testing instruments, automation equipment and precision control modules, adjustment knobs undertake manual tuning and positioning functions. Uniform knurl texture, stable dimensional accuracy and reliable locking performance help operators achieve precise parameter adjustment. Therefore, custom CNC turned knurled aluminum adjustment knobs are essential operating parts for precision control equipment.

Custom Knurled Aluminum Adjustment Knob Service Introduction

We provide one-stop custom CNC turning solutions for knurled aluminum adjustment knobs and various precision rotary control parts, serving automation equipment manufacturers, instrument factories and engineering enterprises worldwide.
Our product range covers all kinds of customized knurled hardware: knurled control knobs, rotary adjustment knobs, locking grip knobs, cylindrical operating knobs and non-standard special-size knurled components.
All products are manufactured via integrated CNC turning, outer knurl processing, set screw hole drilling and deburring procedures. All machining standards and surface treatments are implemented strictly following your engineering drawings. Besides individual finished knobs, we can also supply matched assembly components to simplify your assembly and material management.

Key Advantages of Our CNC Turned Knurled Aluminum Adjustment Knobs

Ultra-precise dimension & uniform knurl texture

All knurled aluminum adjustment knobs are machined on multi-axis CNC turning equipment with full-process dimensional monitoring. Consistent inner bore size, outer profile and standardized knurl pattern ensure stable hand feel and reliable locking effect for each batch, effectively avoiding slipping during operation.

Flexible personalized structural customization service

Supported by turning and knurling machining, we accept custom overall height, outer diameter, inner bore specification, knurl pattern and set screw hole position. We adjust structural parameters based on your assembly space and operation requirements to reduce your secondary processing workload.

Excellent mechanical properties of aluminum alloy materials

We adopt high-quality 6061/7075 aluminum alloy raw materials, featuring light weight, sufficient structural strength and outstanding anti-corrosion capability. Multiple surface treatment options are available to adapt to long-term continuous working conditions on production sites.

Support for non-standard special structure development

We can develop exclusive special end profiles, customized knurl specifications and special tolerance requirements according to your new product projects, providing matched custom operating hardware solutions for equipment upgrading.

Stable mass production & on-time delivery guarantee

From small-batch prototype trial production to large-volume mass orders, we implement unified strict quality inspection standards. Mature production process ensures stable batch consistency and supports long-term bulk procurement for global clients.

OEM Custom Service Scope

We provide comprehensive tailor-made solutions for custom knurled aluminum adjustment knobs and all types of precision CNC turned components. In terms of material selection, we supply SUS304 & SUS316 stainless steel, 1018 & 1045 carbon steel, 6061 & 7075 aluminum alloy, as well as C3600 brass, all available in a wide range of bar specifications to match your design requirements.
For component customization, our product portfolio includes knurled locating pins, dowel pins, shoulder pins, alignment pins, stepped shafts and almost any custom precision turned parts based on your drawings. Available surface finishing includes passivation, electropolishing, zinc & nickel plating, black oxide, anodizing, sandblasting and mechanical polishing to satisfy corrosion resistance and appearance demands.
In service mode, we can supply separate precision machined parts or pre-assembled component kits according to your needs. Custom tooling and turning setups are developed based on your 2D/3D drawings or physical samples, with support for prototype testing before formal mass production.

Typical Application Scenarios

Our custom knurled aluminum adjustment knobs are widely applied in industrial automation control panels, precision testing instruments, laboratory equipment, optical adjustment devices, medical auxiliary equipment and mechanical equipment manual tuning assemblies.

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.