Bolt with Nut M8x1 L 30 mm Grade 10.9 for Agricultural Machinery - 18030-830

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Bolt with Nut M8x1 L 30 mm Grade 10.9 for Agricultural Machinery - 18030-830

Bolt and nut assembly part number 18030-830 designed for secure blade and component fastening on agricultural machinery (standard requirement: 3 per blade). Made from high-tensile grade 10.9 steel featuring an M8 x 1 fine pitch thread, total length L 30 mm, and thread length G 19 mm to withstand constant field vibrations and operational stress.

High-Tensile Property Class 10.9
Metric Fine Thread Pitch (M8 × 1)
Precision 11 mm Unthreaded Shoulder

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Description

Key features

High-Tensile Property Class 10.9Quenched and tempered from alloy steel, delivering an ultimate nominal tensile strength of 1000 N/mm² and yield point of 900 N/mm² to prevent bolt elongation, shear deformation, and fatigue fractures during stone impacts.

Metric Fine Thread Pitch (M8 × 1)The 1 mm fine thread pitch provides superior resistance against vibrational loosening compared to standard coarse pitch (M8x1.25), ensuring precise torque setting and reliable preload retention at high rotor speeds.

Precision 11 mm Unthreaded ShoulderEnsures that the critical shear interface between the tine shank and rotor holder seats squarely on the solid, unthreaded shank body, preventing notch stress on threads and eliminating mounting hole elongation.

Optimized Three-Bolt Securing SetupSupplied complete with a dedicated structural nut suited for property class 10.9 torque specifications, tailored for implements utilizing triple-bolt securing configurations (3 sets per blade) for balanced load distribution.

Specifications

Product Code	18030-830
Component Type	Partially threaded hex head bolt with matched nut set
Property Class / Grade	10.9 (Quenched and tempered alloy steel)
Thread Size and Pitch	M8 × 1 (Metric fine pitch)
Total Underhead Length (L)	30 mm
Threaded Length (G)	19 mm
Unthreaded Shank Length	11 mm
Quantity per Tiller Blade	3 sets per blade / tine