The Custom Thumb Nut is engineered for applications requiring fast, tool-free assembly and reliable hand-tightening performance. As a professional custom thumb nut manufacturer and CNC machined thumb nut supplier, we provide high-precision metal thumb nuts, threaded thumb nuts, knurled thumb nuts, and thumb screw nuts made according to your specific dimensions, Materials, and performance requirements.

Our factory specializes in custom knurled thumb nuts with superior grip, consistent threading, and excellent durability—ideal for electronics, machinery, equipment assembly, furniture hardware, and industrial fastening solutions. With full OEM/ODM support, we deliver custom fastening solutions trusted by global customers.

Key Features

• High-precision threading
  Each threaded thumb nut is CNC-machined to guarantee smooth installation and stable fastening.

• Multiple materials available
  Choose from stainless steel, aluminum, brass, carbon steel, or plastic to match performance requirements.

• Enhanced grip with knurled design
  Our custom knurled thumb nuts offer ergonomic hand-tightening without tools, even in harsh environments.

• Full customization
  From M3–M12 and metric/imperial sizes to custom knurl patterns, shapes, and colors.

• Durable and corrosion-resistant
  Ideal for long-term industrial use with strong resistance to wear, oil, moisture, and chemicals.

• OEM/ODM production
  As a leading OEM custom thumb nut factory and thumb nut supplier in China, we offer private labeling and custom packaging.

Manufacturing Process

Our precision thumb nuts are produced using advanced machining technologies to ensure consistency and superior quality:

• CNC turning – precise shaping and dimension control

• CNC milling – custom profiles, slots, and flat surfaces

• Knurling machining – straight, diamond, or custom patterns for improved grip

• Thread cutting or rolling – precise metric/imperial thread formation

• Forging (optional) – enhanced mechanical strength

• Heat treatment (optional) – higher hardness and wear resistance

• Surface finishing – polishing, anodizing, coating, etc.

Each process is optimized to ensure superior dimensional accuracy and long-term reliability.

Material Selection

We offer CNC machined thumb nuts in various materials to meet different application environments:

Stainless Steel (304 / 316)

• Superior corrosion resistance

• Ideal for outdoor, marine, Medical, and industrial applications

Aluminum (6061 / 7075)

• Lightweight and corrosion-resistant

• Excellent for electronics and precision equipment

Brass

• Excellent machinability

• Strong anti-rust performance

• Common for decorative hardware, electronics, and instrument components

Carbon Steel

• High strength

• Suitable for heavy-duty and load-bearing applications

Plastic (Nylon / PP / PC)

• Lightweight, economical

• Noise-free fastening for furniture or consumer products

Surface Treatment Options

To enhance durability, corrosion resistance, and appearance, we provide:

• Polishing

• Anodizing (for aluminum)

• Zinc plating

• Nickel plating

• Black oxide

• Chrome plating

• Sandblasting

• Powder coating

• Customized color finishes

Precision & Quality Control

We maintain rigorous quality standards for all precision metal thumb nuts:

• Tolerance accuracy up to ±0.01mm

• Surface roughness up to Ra 0.8–1.6 μm

• 100% thread gauge inspection

• CMM (Coordinate Measuring Machine)

• Hardness testing

• Salt spray testing

• Visual surface and knurl uniformity inspection

Our strict QC ensures every custom metal thumb nut meets international standards.

Applications

Our thumb nuts are widely used in:

• Automotive hardware

• Industrial machinery

• Aerospace components

• Marine equipment

• Electronics and communication devices

• Instrumentation

• Furniture and DIY equipment

• Sports and outdoor gear

• Audio & camera equipment

• Medical devices

Wherever tool-free fastening is required, CNC machined thumb nuts provide reliable performance.

FAQ

1. Can you customize size, thread type, and knurl patterns?

Yes. We offer fully custom thumb nuts, including thread pitch, knurl design, diameter, height, and materials.

2. What is your normal lead time?

7–20 days depending on order quantity and customization details.

3. Can you supply OEM/ODM services?

Absolutely. As an OEM custom thumb nut factory, we support logo engraving and customized packaging.

4. Do you offer samples?

Yes, samples are available for testing before mass production.

5. What manufacturing standards do you support?

We can produce according to ISO, DIN, ANSI, JIS, or customer drawings.