| Payment Terms | T/T,PAYPAL,WESTERN UNION |
| Supply Ability | 5000 sets per week |
| Delivery Time | 7-15 working days |
| Packaging Details | Neutural Packing |
| Brand | OEM |
| MOQ | 1 Piece |
| OEM/ODM | Acceptable |
| Shipment | DHL FEDEX TNT EMS UPS |
| Application | Excavator |
| Product Name | Bolt |
| Brand Name | YNF |
| Model Number | M12-40(51.5) |
| Certification | CE |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T,PAYPAL,WESTERN UNION | Supply Ability | 5000 sets per week |
| Delivery Time | 7-15 working days | Packaging Details | Neutural Packing |
| Brand | OEM | MOQ | 1 Piece |
| OEM/ODM | Acceptable | Shipment | DHL FEDEX TNT EMS UPS |
| Application | Excavator | Product Name | Bolt |
| Brand Name | YNF | Model Number | M12-40(51.5) |
| Certification | CE | Place of Origin | China |
| High Light | 12mm spline bolt excavator coupling ,M12-40 hex socket bolt ,spline bolt with hex socket | ||
YNF17708 12mm Spline Bolt M12-40(51.5) Hex Socket Bolt
The YNF17708 12mm Spline Bolt is a precision-engineered fastener designed for construction machinery, excavators, and industrial equipment. With a 12mm spline head, M12 thread, and internal hex drive, this bolt provides secure fastening, high torque transmission, and long-lasting durability under heavy-duty working conditions.
12mm spline head with internal hex (Allen / Hex Socket) for stable tightening
Thread specification: M12 × standard pitch
Available lengths: 40mm / 51.5mm
Manufactured from high-strength alloy steel
Resistant to shear, vibration, and mechanical stress
Precision-machined for accurate fit and leak-free fastening
Suitable for hydraulic components, machinery joints, and structural assemblies
Direct OEM-equivalent replacement bolt
| Parameters | Details |
|---|---|
| OEM/ODM | Acceptable |
| MOQ | 1 Piece |
| Brand | OEM |
| Product Name | Bolt |
| Packaging Details | Neutural Packing |
| Shipment | DHL FEDEX TNT EMS UPS |
| Availablity | In stock |
| Color | Customized |
| Application | Excavator |
| Packaging | Plastic bag |
Excavators and construction machinery
Hydraulic cylinder mounting points and structural assemblies
Industrial machinery requiring high-torque fasteners
Maintenance, repair, and machinery assembly operations
Thread and size verification before shipment
OEM matching based on old sample or part number
Long-term supply for repair shops and distributors
Technical guidance for installation
Individually packed in anti-rust, moisture-proof bags
Export-standard cartons for safe transport
Optional neutral or YNF-branded packaging
Supports mixed shipments with other parts
Q1: Can this bolt replace the OEM part directly?
A: Yes, it is produced to OEM-equivalent standards.
Q2: Is the bolt heat-treated?
A: Yes, all spline bolts are heat-treated for strength and durability.
Q3: Can I order mixed lengths in one shipment?
A: Yes, mixed lengths (40mm & 51.5mm) are supported.
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Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1993
Total Annual:
1,500,000-1,800,000
Employee Number:
80~120
Ecer Certification:
Verified Supplier
Your Trusted Excavator Parts Supplier – Manufacturer & One-Stop Sourcing Solution Looking for a reliable supplier of excavator parts? Whether you need OEM services or a complete range of parts, we provide the best solutions for your business. As both a manufacturer and trading company, ... Your Trusted Excavator Parts Supplier – Manufacturer & One-Stop Sourcing Solution Looking for a reliable supplier of excavator parts? Whether you need OEM services or a complete range of parts, we provide the best solutions for your business. As both a manufacturer and trading company, ...
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