Bolt with Nut M16x1.5 L 40 mm Grade 12.9 for Agricultural Machinery - 18030-1640

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Bolt with Nut M16x1.5 L 40 mm Grade 12.9 for Agricultural Machinery - 18030-1640

Bolt and nut set part number 18030-1640 engineered for securing blades and wear parts on agricultural equipment (standard requirement: 1 per blade). Made from high-tensile grade 12.9 steel, featuring an M16 x 1.5 fine thread, total length L 40 mm, and thread length G 20 mm to withstand heavy shear stress and persistent field vibrations.

Maximum Strength Class 12.9
Metric Fine Thread Pitch (M16 × 1.5)
Precision 20 mm Solid Shoulder

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Description

Key features

Maximum Strength Class 12.9Quenched and tempered from high-grade alloy steel, delivering a nominal tensile strength of 1200 N/mm² and yield point of 1080 N/mm² to prevent bolt elongation, permanent bending, and brittle fractures during rocky soil impact.

Metric Fine Thread Pitch (M16 × 1.5)The 1.5 mm fine pitch offers superior anti-loosening resistance under heavy vibration compared to standard coarse threads, allowing accurate preload control and consistent clamping tension.

Precision 20 mm Solid ShoulderEnsures that the critical shear zone between the blade shank and mounting flange seats entirely on the unthreaded solid body, protecting the thread profile from shear notch effects and eliminating hole elongation.

Optimized Single-Bolt ConfigurationSupplied as a complete bolt and nut kit designed specifically for implements and tines utilizing a single high-strength mounting bolt.

Specifications

Product Code	18030-1640
Component Type	Partially threaded hex head bolt with matched nut set
Property Class / Grade	12.9 (Quenched and tempered alloy steel)
Thread Size and Pitch	M16 × 1.5 (Metric fine pitch)
Total Underhead Length (L)	40 mm
Threaded Length (G)	20 mm
Unthreaded Shank Length	20 mm
Quantity per Tiller Blade	1 set per blade / tine