Knurled Step Thumb Screw Hand Tightening Adjustment Screw with Shoulder
Knurled Step Thumb Screw Hand Tightening Adjustment Screw with Shoulder
- Tool-free use
Easy to tighten & loosen by hand, fast assembly and adjustment.
- Solid material
Carbon steel / 304 stainless steel, anti-rust & durable with precise threads.
- Step shoulder design
Accurate positioning, avoid over-tightening; anti-slip knurled for firm grip.
- Wide use
Fit for machinery, electronics, brackets, furniture and DIY projects.
- Custom available
Multiple sizes & surface finishes, OEM & ODM accepted.
Key Features
Technical Specifications
Iterm One
Iterm two
Iterm There
Iterm Four
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.
- Professional Manufacturer BackgroundWe 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.
- Strong Scale & Revenue StrengthWith 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.
- Established in 2023 – Modern & Flexible EnterpriseAs 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.
- Complete Product RangeWe provide one-stop supply:
- Punch
- Mold / Mould
- Fastener
- Stamped part
- Hand toolsYou can purchase multiple categories from us, reducing your sourcing cost and time.
- Proven Market RecognitionOur 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.
- Geographic Advantage: Zhejiang, ChinaLocated 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.
