Plastic Handle Thumb Screw Knob Screw Hand Twist Screw Round/T/Star/Triangular Head Anti Rust Custom Adjustable Fastener

These plastic star head thumb screws (also known as knob hand twist screws) are designed for tool-free installation and adjustment. The ergonomic star-shaped plastic handle provides a comfortable grip for easy hand tightening, while the galvanized steel screw offers excellent corrosion resistance and durability. Widely used in mechanical equipment, furniture, industrial fixtures, and various assembly applications, these screws are your ideal choice for quick and reliable fastening solutions. Custom specifications are welcome!

Ergonomic Star Head Design: Plastic star-shaped handle for easy hand-tightening without tools, ideal for quick adjustments.
Premium Galvanized Steel Screw: Zinc-plated screw for anti-rust, durability, and long service life.
Multi-Size Compatibility: Available in standard sizes M4/M5/M6/M8/M10, fits most equipment fastening needs.
Wide Application: Perfect for machinery, furniture, equipment assembly, and DIY projects requiring easy adjustment.
Customizable Options: Custom sizes, thread types, and handle colors are available to meet your specific requirements.

Key Features

Technical Specifications

Basic Information

We are specialized in making fasteners cold heading die and punch rod, with 15 years of production experience, strong development ability and advanced manufacturing equipment

Brazilian Miner Vale SA

23 large-scale ball mills, Ø5.5×8.8m

Wengfu Phosphate Mine Project Phase II in Saudi Arabia (Ma'aden)

6 wet grinding rod mills, Ø4.6×6.7m

Vedanta Project in South Africa

1 SAG mill, Ø8.5×5.5m

Factory Country/Region

No.9 Longteng Road, Maoshan Industrial Zone, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province

Why Choose Ningbo Jiuyi Precision Mould Co., Ltd.

1. Professional Manufacturer Background
  
  We are a direct manufacturer focusing on precision mould, punch, fastener, stamped parts and hand tools, with stable and professional production capacity, ensuring you get products from the source without middlemen.
2. Strong Scale & Revenue Strength
  
  With 51–100 employees and annual revenue between US$50M–100M, we have stable capital strength, mature production management and reliable supply capacity to support long-term cooperation.
3. Established in 2023 – Modern & Flexible Enterprise
  
  As a company founded in 2023, we adopt new equipment, new management and new technology, with higher efficiency, stronger flexibility and faster response than traditional old factories.
4. Complete Product Range
  
  We provide one-stop supply:
- Punch
- Mold / Mould
- Fastener
- Stamped part
- Hand tools
  
  You can purchase multiple categories from us, reducing your sourcing cost and time.
1. Proven Market Recognition
  
  Our markets cover:
- Domestic Market: 50%
- Southeast Asia: 13%
- Mid East: 10%
  
  Stable sales in domestic and overseas markets prove our product quality, price competitiveness and after-sales service are widely recognized.
1. Geographic Advantage: Zhejiang, China
  
  Located in Zhejiang, close to Ningbo Port — one of China’s biggest ports. We have convenient logistics, short delivery time and lower shipping cost, which greatly improves your supply chain efficiency.