Extra High-Tensile Bolt with Nut M14x1.5 - Part Number: 18030-1465

The Bolt with Nut Fastening Set (part number 18030-1465, property class 12.9, metric fine pitch M14 × 1.5, total underhead length L = 65 mm, thread length G = 37 mm, unthreaded shoulder 28 mm) is an ultra-high tensile structural fastener assembly designed for soil preparation machinery. Engineered to withstand severe shear forces, high tensile loads, and persistent rotational vibrations across rotary tillers, power harrows, and mulcher rotors.

Key Features & Benefits

• Maximum Property Class 12.9: Quenched and tempered from high-performance alloy steel, delivering a nominal ultimate tensile strength of 1200 N/mm² and yield point of 1080 N/mm² to prevent bolt elongation, shear deformation, and brittle fractures in stony soil.
• Metric Fine Thread Pitch (M14 × 1.5): The fine 1.5 mm pitch provides superior self-locking resistance against persistent working vibrations compared to coarse threads, ensuring precise preload clamping control.
• Calibrated 28 mm Unthreaded Shoulder: Keeps the critical shear boundary between the tool and mounting flange on the unthreaded solid shank, eliminating stress concentrations on the thread and preventing mounting hole elongation.
• Supplied Complete with Matched Nut: Paired with an extra high-strength matching nut suited for class 12.9 torque specifications, ensuring durable and play-free tool clamping.

Technical Specifications

Typical Application Scopes

Installation Technical Note: As a property class 12.9 structural fastener with M14x1.5 fine pitch, tighten using a calibrated torque wrench (recommended dry torque: approximately 200 – 220 Nm, unless otherwise indicated by the implement OEM). Check hardware torque after the initial hour of field operation.