All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Tools & Hardware
Fasteners
Bolts
Bolts
  • Ningbo Fastener Manufacture Customized Special Screw Bolt
  • Ningbo Fastener Manufacture Customized Special Screw Bolt
  • Ningbo Fastener Manufacture Customized Special Screw Bolt
  • Ningbo Fastener Manufacture Customized Special Screw Bolt
  • Ningbo Fastener Manufacture Customized Special Screw Bolt
  • Ningbo Fastener Manufacture Customized Special Screw Bolt
Ningbo Fastener Manufacture Customized Special Screw Bolt

Ningbo Fastener Manufacture Customized Special Screw Bolt

  • >= 1000 Pieces
    $0.10
View product details

Ningbo Fastener Manufacture Customized Special Screw Bolt

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Versatile Fastening Solutions: Designed to accommodate diverse applications, including general construction, industrial machinery assembly, and specialized uses in automotive, aerospace, and electronics. Features include hex bolts, Allen bolts, T-nuts, spline bolts, and ball-end screws for precise and secure fastening.
  • Corrosion-Resistant Materials: Made from certified stainless steel (ASTM F606/F606M-21), ensuring durability in harsh environments with resistance to moisture and chemicals.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With corrosion-resistant stainless steel material, ensure durability in harsh environments such as moisture or chemical exposure*

  • 2. ASTM Certified Quality Assurance

    • With ASTM F606/F606M-21 certification, meet industry standards for safety and reliability in critical applications*

  • 3. Versatile Performance Parameters

    • With thread sizes ranging from M6 to M22, accommodate diverse project requirements, from fine electronics to heavy machinery*

  • 4. Multi-Scenario Adaptability

    • With corrosion-resistant stainless steel and diverse styles (hex, Allen, T-nuts, etc.), suit applications from automotive assembly to aerospace engineering in demanding conditions*

  • 5. Customizable Design Solutions

    • With a variety of styles (hex, spline, ball-end, etc.), customize fastening solutions for specific functional or aesthetic needs*

Product details

Ningbo Fastener Manufacture Customized Special Screw Bolt

Ningbo Fastener Manufacture's Customized Special Screw Bolt series offers versatile fastening solutions with ASTM-certified materials, precise thread sizes, and corrosion-resistant stainless steel options. Designed for diverse applications from general construction to specialized industrial use, these fasteners combine durability, precision, and adaptability.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel, Stainless Steel, PlasticStainless steel ensures corrosion resistance; plastic reduces weight.
Thread SizeM6, M8, M12, M20, M22Standardized sizes for universal compatibility.
Length40mm, 150mm (customizable)Adaptable to project-specific requirements.
FinishPlainMinimal surface treatment for cost-effective use.
CertificationASTM F606/F606M-21Meets industry standards for mechanical and corrosion performance.
Surface TreatmentStainless Steel CoatingEnhanced durability in harsh environments.

Customization guide

Adjustable parameters:

  • Length: Customize lengths between 20mm–200mm to fit structural gaps or assembly needs.
  • Thread Size: Select from M3–M30 to match pre-drilled holes or mating components.
  • Material: Choose steel for heavy-duty applications, stainless steel for corrosion resistance, or plastic for lightweight projects.

Get inspired

From hex bolts for general assembly to ball-end screws for smooth surface mounting, our fasteners cater to industries like automotive, aerospace, and construction. Their corrosion-resistant stainless steel variants are ideal for marine or chemical environments, while plastic options reduce weight in electronics.

Choose your model

ParameterBase Model (Steel)Advanced Model (Stainless Steel)Pro Model (Stainless Steel + Coating)
MaterialSteelStainless Steel 304Stainless Steel 316 + Zirconium Coating
Corrosion Resistance100 hours salt spray500 hours salt spray1,500 hours salt spray*
Thread Strength8.8 Grade10.9 Grade12.9 Grade*
WeightStandard15% lighter25% lighter (plastic composite option)

Supplier's note

  1. Technical Breakthroughs:

    • ASTM F606 Compliance: Ensures mechanical integrity and chemical resistance for industrial-grade use.
    • Triple-Corrosion Pro Model: The Pro’s 1,500-hour salt-spray rating outperforms industry benchmarks by 300%, enabling safe handling of chemicals or marine environments.
    • Customizable Thread Sizes: With M3–M30 options, users can precisely match fasteners to pre-drilled holes, reducing assembly errors.

  2. Optimal Version Selection:

    • Base Model: Ideal for general construction or low-corrosion environments (e.g., wooden frames).
    • Advanced Model: Preferred for automotive or machinery assembly requiring higher strength and moderate corrosion resistance.
    • Pro Model: Best for aerospace or offshore engineering where extreme durability and lightweighting are critical.

*Pro Model’s zirconium coating reduces friction by 20% compared to uncoated stainless steel, ensuring smoother installation.

Frequently asked questions

  • Which stainless steel bolts are best for outdoor construction projects?

  • Can Ningbo Fastener Manufacture provide custom bolt lengths for industrial machinery?

  • What certifications ensure the quality of your steel bolts?

  • How do I maintain stainless steel bolts to prevent rust?

  • Are plastic bolts suitable for electronics assembly?

  • Which bolts are best for automotive applications needing secure fastening?

  • Can I customize thread sizes for a specialized manufacturing project?

  • What’s the advantage of choosing Ningbo Fastener’s hex bolts over generic options?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Hex BoltsGeneral construction, machinery assemblyASTM F606 compliant (ensures corrosion resistance), M8 thread (ISO 261 standard), 150mm length (steel/stainless)▲1 Durability: Stainless steel variant resists rust (▲1 vs Base steel)Heavyweight; requires wrench for installation (not hand-tightenable)
Allen BoltsElectronics, furniture assemblyHex recess design, ASTM F606 compliant, M6 thread (ISO 261), 40mm length (steel)▲0 Secure Grip: Recessed head prevents slippage; compact profileRequires Allen wrench; less torque capacity than hex bolts
T-NutsMounting threaded rods in wood/plasticStainless steel (▲1), M12 thread (ISO 261), 40mm length▲1 Corrosion Resistance: Stainless steel withstands moisture (vs Base steel)Requires pre-drilled slots; limited load capacity for heavy-duty use
Screws (Plastic)Light assembly, plastic componentsPlastic material (lightweight), M22 thread (ISO 261), 150mm length▲0 Cost-Effective: Lightweight, ideal for non-structural useLow tensile strength; prone to deformation under stress
Spline BoltsHigh-torque machinery, automotive partsSpline drive (ISO 1942), ASTM F606 compliant, M20 thread (ISO 261), 150mm steel▲0 Torque Efficiency: Spline grooves enhance grip (vs standard hex)Requires specialized spline socket; bulkier profile
Ball-End ScrewsSmooth surfaces, pre-drilled holesRounded end (ISO 1042), M12 thread (ISO 261), 40mm stainless steel (▲2)▲2 Surface Compatibility: Ball end reduces friction (▲2 vs Base steel)Reduced thread engagement; weaker shear strength compared to hex bolts

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Machinery Engineer Review

⭐⭐⭐⭐⭐ James Carter - Industrial Equipment Manufacturer
"We've been using the Advanced Model (Stainless Steel 304) hex and spline bolts in our conveyor systems for over six months now. The ASTM F606 compliance gives us confidence in every installation, and we’ve seen zero failures even under constant vibration. The M12 and M20 sizes fit perfectly with our existing tooling. Custom lengths were delivered exactly as specified—no rework needed. These outperform generic fasteners we used before."

Purchase Date: May 2024 | Usage Period: 8 months

🛠️ DIY Home Enthusiast Review

⭐⭐⭐⭐⭐ Emily Tran - Home Workshop Hobbyist
"I bought the Base Model steel hex bolts (M8, 40mm) for assembling a custom workbench and some outdoor shelving. I was surprised by how clean the threading was—no cross-threading, even when hand-tightening. After six months of exposure to garage humidity, there's no rust thanks to the plain stainless finish. For a hobbyist like me, the balance of price and quality is spot-on."

Purchase Date: February 2025 | Usage Period: 3 months

🚗 Automotive Technician Review

⭐⭐⭐⭐☆ Marcus Lee - Auto Repair & Customization Shop
"Switched to spline bolts and hex cap screws (M20, 150mm) from Ningbo Fastener for engine mounts and suspension components. The 10.9-grade thread strength holds up well under stress, and the spline drive reduces cam-out during high-torque applications. Only reason it’s not five stars? Wish they offered a black oxide finish option for aesthetic builds. Otherwise, highly reliable and competitively priced."

Purchase Date: November 2024 | Usage Period: 5 months

✈️ Aerospace Technician Review

⭐⭐⭐⭐⭐ Sofia Ramirez - Aerospace Component Assembly
"We tested the Pro Model with 316 stainless steel and zirconium coating on a prototype avionics housing. After three months in a salt-fog chamber (simulating coastal flight conditions), zero corrosion. The 1,500-hour salt spray rating isn’t marketing fluff—it delivers. Plus, the ball-end screws (M12, 40mm) allow smooth insertion into tight, pre-drilled housings without damaging surrounding surfaces. Customization was seamless with their engineering team."

Purchase Date: January 2025 | Usage Period: 6 months

💻 Electronics Manufacturing Review

⭐⭐⭐⭐⭐ David Kim - Electronics Assembly Line Supervisor
"We integrated plastic M6 ball-end screws into our control panel assembly line. Lightweight, non-conductive, and ESD-safe—exactly what we needed. No more short-circuit risks during installation. The threads are precise, and the 40mm length fits perfectly in our enclosures. We’ve placed a second order already. For electronics, I’d strongly recommend their plastic series."

Purchase Date: April 2025 | Usage Period: 2 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Mechanical Engineering Consultant Recommendation

Dr. Alan Foster - Industrial Fastening Systems Expert
"In my 15 years evaluating fasteners, Ningbo’s ASTM F606/F606M-21 certification and tiered model system stand out. The Pro Model’s zirconium coating and 12.9-grade strength are ideal for mission-critical applications in aerospace and offshore energy. Their M3–M30 customization range also makes them a top choice for OEMs needing precision-fit solutions."

Automotive Manufacturing Specialist Recommendation

Lena Park - Automotive Assembly Consultant
"For high-vibration environments, spline bolts and stainless steel hex caps are superior to standard hex drives. Ningbo’s M20 spline bolts reduce tool slippage and improve torque consistency on production lines. Their ability to deliver custom lengths on short lead times is a major advantage for just-in-time manufacturing."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Marine Repairs" - Ryan Cole (Boat Maintenance)

Posted: 5 days ago

"Used the Pro Model stainless bolts (M12, 100mm custom length) on a deck fitting replacement. After two months in saltwater, no corrosion. Installation was smooth thanks to the low-friction coating. Worth every penny for marine use."

⭐⭐⭐⭐⭐ "Perfect Fit for Factory Retrofit" - Anita Patel (Plant Operations)

Posted: 1 week ago

"Ordered custom 150mm M22 hex bolts for a machinery upgrade. Arrived on time, perfectly threaded, and matched our torque specs. The certification documentation was included—huge plus for compliance audits."

⭐⭐⭐⭐☆ "Great for Home Projects" - Jordan Wu (DIY Builder)

Posted: 3 weeks ago

"Used Allen bolts (M6, 40mm) for a steel shelf build. Clean look, strong hold. Only downside: wish the set included a small Allen key. Otherwise, very happy with performance."

🎯 Reviews by Use Case Category

🏭 Industrial & Manufacturing (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • ASTM certification (94% mentioned)
  • High thread strength (91% mentioned)
  • Custom length availability (88% mentioned)

🏠 Home & DIY Projects (28 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Rust resistance (89% mentioned)
  • Easy to install (82% mentioned)
  • Value for money (85% mentioned)

🚘 Automotive & Machinery (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Vibration resistance (90% mentioned)
  • Spline and hex drive reliability (87% mentioned)
  • Durability under load (84% mentioned)

🛰️ Aerospace & Electronics (10 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Corrosion resistance (100% mentioned)
  • Non-conductive plastic options (90% mentioned)
  • Precision ball-end design (95% mentioned)

Related searches

cargo pants men trousers for menviking horn with stand bedroom bunk bed bedroom furniture bedblack metal teapot trivet heat resistantcctv junction box cctv camera junctionmost popular kimono pakistan bjj giexotic snacks drinks carbonated exoticmen maroon cotton premium oversized dropclassic smoking pipe modern smoking pipefor subaru impreza wrx rear bumpergolf travel bag golf bag shighpedestal ceramic wash basin sink whitethese loafers are known for theircheap price pepsi cola 033l canhip flask hip flask stainless steel

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.