The YNF01428 Spline Bolt is a high-strength fastener designed for construction machinery and industrial equipment. Featuring a 16mm spline head, M16 thread, and internal hex design, this bolt provides excellent torque transmission, secure fastening, and long-lasting durability even under heavy mechanical loads.

• 16mm spline head with internal hex for high torque application

• Thread specification: M16 × 2.0 pitch

• Available lengths: 50mm / 65mm

• Made from high-strength alloy steel for superior durability

• Resistant to wear, vibration, and mechanical stress

• Precision-machined for stable and secure fastening

• Suitable for hydraulic components, machinery joints, and structural assemblies

• Direct replacement for OEM-equivalent spline bolts

• Construction machinery

• Industrial equipment

• Hydraulic component mounting

• Structural fastening points

• Ideal for maintenance, repair, and assembly operations

• Size confirmation before shipping

• Technical guidance for correct installation

• OEM matching assistance

• Customized bolts and fasteners available on request

• Individually bagged bolts to prevent surface damage

• Export-standard cartons for safe transport

• Neutral or YNF branded packaging available

• Supports mixed shipments with other parts

Q1: Are these bolts compatible with specific machine models?
A: Yes. Share machine model or application position, and we will confirm compatibility.

Q2: What is the strength grade of the bolts?
A: High-strength alloy steel, engineered for demanding mechanical applications.

Q3: Can I order mixed lengths (50mm & 65mm)?
A: Yes, mixed orders are supported.