Qingdao Sande Technology Co., LTD
| Payment Terms | D/P,T/T,Western Union |
| Supply Ability | 10000PCS/month |
| Delivery Time | 30 days |
| Packaging Details | Wooden case |
| Packing | into polybag into carton |
| Angle Tolerance | ±0.5°~±1° |
| Finish | Polished |
| value | customizable |
| Dimensions | depends on customer's requirements |
| Shipping | Maritime transport |
| Brand Name | Qingdao Sande Tech Co.,Ltd |
| Model Number | OEM |
| Certification | ISO, DIN, AISI, ASTM, BS, JIS, etc. |
| Place of Origin | Qingdao, China |
View Detail Information
Explore similar products
Custom CNC Machined Metal Parts Precision Mechanical Components Polished
Customized CNC Stainless Steel Machining Parts For Aerospace Industry
Custom Machined Parts Marine Stainless Steel Ring Screw Cable Ring Parts
Precision CNC Machining Parts For Custom Hexagon Bolts Nuts OEM Services
Product Specification
| Payment Terms | D/P,T/T,Western Union | Supply Ability | 10000PCS/month |
| Delivery Time | 30 days | Packaging Details | Wooden case |
| Packing | into polybag into carton | Angle Tolerance | ±0.5°~±1° |
| Finish | Polished | value | customizable |
| Dimensions | depends on customer's requirements | Shipping | Maritime transport |
| Brand Name | Qingdao Sande Tech Co.,Ltd | Model Number | OEM |
| Certification | ISO, DIN, AISI, ASTM, BS, JIS, etc. | Place of Origin | Qingdao, China |
| High Light | CNC Machined Bolt Fasteners ，Automotive Bolt Fasteners ，Industrial Machinery CNC Bolt Fasteners | ||
Precision CNC Machined Bolt Fasteners - For Automotive, Construction & Industrial Machinery
Product Description
Our CNC machined bolt fasteners are engineered to deliver exceptional strength, dimensional accuracy, and reliability across critical industries. Manufactured with tight tolerances (±0.01mm) and premium materials, these bolts ensure secure, vibration-resistant connections in the most challenging environments.
Key Features & Benefits
✔ Premium Materials:
Stainless Steel (304/316) - Corrosion resistance
Alloy Steel (Grade 8.8/10.9/12.9) - High tensile strength
Titanium - Lightweight aerospace-grade
✔ Precision Manufacturing:
CNC Turning & Thread Rolling for perfect thread engagement
Heat Treatment (Quenching & Tempering) for enhanced durability
Surface Finishes: Zinc-plated, Hot-Dip Galvanized, Dacromet, or Black Oxide
✔ Wide Application Coverage:
Automotive: Engine blocks, chassis, transmission systems
Construction: Steel structures, bridges, heavy equipment
Industrial Machinery: Pumps, valves, conveyor systems, dies
✔ Custom Solutions Available:
Non-standard lengths/diameters
Special thread profiles (Metric, UNC, UNF, Whitworth)
Unique head designs (Flange, Countersunk, Shoulder)
Technical Specifications
| Parameter | Specification |
|---|---|
| Diameter Range | M3-M36 (Custom up to M100) |
| Length Range | 5mm-500mm (Longer on request) |
| Tensile Strength | 800MPa-1400MPa (Material Dependent) |
| Thread Standards | ISO, DIN, ANSI, JIS, GB |
| Torque Values | Pre-calculated charts provided |
| Certifications | ISO 9001, IATF 16949, CE, RoHS |
Industry-Specific Advantages
Automotive
Vibration-resistant locking features
Weight-optimized designs
Compatible with robotic assembly
Construction
Weatherproof coatings
High shear strength
Earthquake-resistant designs
Industrial Machinery
Fatigue-resistant alloys
Precision alignment
Maintenance-free operation
Keywords for SEO : CNC machined bolts, high-tensile fasteners, automotive grade bolts, construction anchor bolts, precision industrial fasteners, custom metric bolts
FAQ
1. What materials are available for your CNC bolts?
Stainless Steel (304/316 for corrosion resistance)
Alloy Steel (Grade 8.8, 10.9, 12.9 for high strength)
Titanium (Aerospace/medical applications)
Exotic Alloys (Inconel, Monel – custom orders)
2. What tolerances can you achieve?
Standard: ±0.05mm
High Precision: ±0.01mm (for critical assemblies)
Thread Tolerance: 6g (ISO), 2A/3A (ANSI)
3. Do you provide custom bolt designs?
✔ Non-standard lengths/diameters
✔ Unique head styles (e.g., flanged, countersunk)
✔ Special threads (left-hand, multi-start, micro-pitch)
✔ Branding/logos laser-engraved
4. How do your bolts perform in extreme conditions?
| Environment | Solution |
|---|---|
| High Temperature (up to 1000°C) | Inconel/Hastelloy bolts |
| Saltwater Exposure | 316L SS with Dacromet coating |
| Chemical Corrosion | PTFE-coated or titanium fasteners |
| Vibration-Prone | Nord-Lock washers/thread-locking patches |
5. What certifications do you hold?
ISO 9001:2015 (Quality Management)
IATF 16949 (Automotive Standards)
CE/RoHS (EU Compliance)
Material Test Reports (MTRs) for every batch
6. What’s your lead time?
Standard Bolts: 3-5 days (in-stock items)
Custom Bolts: 7-15 days (prototypes), 2-3 weeks (bulk)
Expedited Services: Available (+30% fee)
7. Do you offer surface treatments?
• Zinc Plating (5-25μm)
• Hot-Dip Galvanizing (50-100μm)
• Black Oxide (Anti-galling)
• Electropolishing (Medical/Food Grade)
8. How do you ensure quality?
Raw material certification
In-process dimensional checks
Post-treatment adhesion testing
100% final inspection (CMM/optical)
Salt spray testing for coated variants
9. What’s your MOQ?
Production Runs: 1000pcs (standard), lower MOQs negotiable
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2018
Employee Number:
>63
Ecer Certification：
Verified Supplier
Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful qua... Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful qua...
Get in touch with us
Leave a Message, we will call you back quickly!