Metric Thumb Screws

Metric thumb screws are designed for quick, tool-free fastening and adjustment in a wide range of industrial and consumer applications. Whether you need a metric knurled thumb screw for better grip, a metric hand thumb screw for ergonomic use, or lightweight metric plastic thumb screws, our product line covers multiple sizes, Materials, and finishes. As a professional metric thumb screw manufacturer and supplier, we specialize in high-precision machining, strict quality control, and OEM metric thumb screws customization services. Customers can source custom metric thumb screws direct from our factory in China, ensuring competitive prices and fast delivery.

Key Features

• High precision – CNC-machined with tight tolerances for consistent performance.

• Multiple materials available – carbon Steel, stainless Steel, aluminum, brass, nylon, and engineered plastics.

• Custom solutions – OEM & ODM services from a custom metric thumb screw factory.

• Tool-free fastening – ideal for frequent assembly/disassembly applications.

• Wholesale supply – bulk orders supported with metric thumb screws direct from manufacturer in China.

Manufacturing Process

Our metric metal thumb screws are produced using advanced CNC machining, turning, milling, and threading. For enhanced strength and durability, selected products undergo precision heat treatment. Plastic versions are produced with high-quality injection molding, ensuring uniform structure and reliable performance.

Material Selection

• Stainless Steel Metric Thumb Screw – excellent corrosion resistance, ideal for outdoor and marine applications.

• Carbon Steel Metric Thumb Screw – high strength and durability, available with black oxide finish.

• Aluminum Metric Thumb Screw – lightweight and non-magnetic, suitable for electronics and aerospace.

• Brass Metric Thumb Screw – decorative appearance, good conductivity, corrosion resistance.

• Nylon / Plastic Metric Thumb Screw – lightweight, non-conductive, cost-effective for electronics and consumer goods.

Surface Treatment Options

• Polishing – for smooth finish and improved aesthetics.

• Electroplating (Zinc, Nickel, Chrome) – enhanced corrosion protection.

• Anodizing (for aluminum thumb screws) – durability and decorative color options.

• Black oxide coating – cost-effective rust prevention for carbon steel screws.

Precision & Quality Control

As a leading metric thumb screw supplier, we ensure strict quality management throughout production.

• Tolerance: up to ±0.01 mm for CNC-machined screws.

• Surface Roughness: Ra ≤ 0.8 μm for smooth operation.

• Inspection Equipment: digital calipers, micrometers, hardness testers, and CMM (Coordinate Measuring Machine).

• 100% Quality Check before packaging and delivery.

Applications

Our OEM metric thumb screws are widely used in:

• Automotive – adjustment knobs, dashboard components, and assembly fixtures.

• Industrial Machinery – machine covers, jigs, and fixtures.

• Aerospace & Marine Equipment – lightweight, corrosion-resistant fasteners for demanding environments.

• Electronics & Consumer Devices – tool-free fastening for enclosures, cases, and panels.

• Furniture & DIY – ergonomic fastening solutions without tools.

FAQ

Q1: Can you provide custom sizes and designs?
Yes, as a custom metric thumb screw factory, we offer OEM/ODM services based on drawings or samples.

Q2: What materials can you supply?
We produce metric plastic thumb screws, stainless steel thumb screws, aluminum, brass, and carbon steel versions to meet different requirements.

Q3: What is your minimum order quantity (MOQ)?
We support both small trial orders and wholesale metric thumb screws China bulk orders.

Q4: What is your delivery time?
Standard products ship within 7–15 days. Custom OEM screws may take 20–30 days depending on complexity.

Q5: Why should I buy directly from you?
We are a direct metric thumb screw manufacturer, ensuring factory-direct pricing, high precision, and fast turnaround.