Hollow hex bolts have a hollow structure inside, and this type of bolt is usually used for special applications that require ventilation, wires, or other piping through the center of the bolt. When using hollow hex bolts, it is necessary to select the appropriate bolt size, material and hole diameter according to the specific application requirements. Please consult with HHC to ensure the selection of bolts that meet your specific needs.
| Items | Details |
| Product Name | Aluminum special-shaped parts Fasteners CNC aluminum alloy processing precision parts CNC machined parts |
| Standard Compliance | OEM Service |
| Thickness | 1.5-12mm (depending on bolt size) |
| Certifications | IATF16949 2016; ISO9001 2015; ISO14001:2015; RoHS; REACH |
| Manufacturing Process | CNC Machining, Drilling, Polishing |
| Applications | Automotive Industry, Aerospace Components, Electronic Devices, Machinery Equipment, Construction Hardware |
| Product Type | Precision Nonstandard Parts (OEM Service) |
| Material Options | Aluminum Alloy (6061, 7075) |
| Bolt Size Range | M1.6 - M12 (or #0 - 1/2" for imperial sizes) |
| Length Range | 5mm - 100mm |
| Width Across Flats | 3.2mm - 19mm |
| Tolerance | ±0.02mm |
| Surface Finish | Anodized, Polished, Bead Blasted |
| Hardness | HRB 70-90 |
| Color | Metallic Silver, Custom colors available |
| Machining Capabilities | CNC Turning, Drilling, Milling (for special shapes), Threading |
| Services | Items | Details |
| Port | Shenzhen or Hong Kong | |
| Lead time | Quantity (pieces) 1 - 10,000: | 18 days |
| Quantity (pieces) 10,001 - 50,000: | 21days | |
| Quantity (pieces) > 50,000: To be negotiated | To be negotiated | |
| Customization | Custom shapes (e.g., hex, square, round): | Min. order 100 |
| Special thread forms: | Min. order 200 | |
| Self-locking features: | Min. order 150 | |
| Custom length or diameter: | Min. order 500 | |
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