Blade Bolt M16 L 45 mm Grade 12.9 for Agricultural Machinery - 18030-1645

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Blade Bolt M16 L 45 mm Grade 12.9 for Agricultural Machinery - 18030-1645

Blade bolt part number 18030-1645 designed for soil-working tools (usage: 1 per blade, 2 per share). Made of high-tensile grade 12.9 steel featuring a 16 mm diameter, M16 thread, total length L 45 mm, and thread length G 22 mm to ensure extreme shear resistance and durability under severe working conditions.

Maximum Strength Class 12.9
Precision 23 mm Unthreaded Shoulder (Ø 16 mm)
Calibrated M16 Thread Section (G = 22 mm)

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Description

Key features

Maximum Strength Class 12.9Quenched and tempered from premium alloy steel, delivering a nominal ultimate tensile strength of 1200 N/mm² and yield point of 1080 N/mm² to prevent bolt elongation, permanent bending, and brittle fracture under stony impact.

Precision 23 mm Unthreaded Shoulder (Ø 16 mm)Ensures the primary shear boundary between the tool body and holder flange rests completely on the solid unthreaded shank, eliminating notch stress concentrations on the thread and preventing mounting hole elongation.

Calibrated M16 Thread Section (G = 22 mm)The partial thread length provides solid thread engagement and stable clamp preload retention against continuous soil impact and rotor vibration.

Dual Application VersatilitySuitable for both single-bolt mounting systems (1 bolt per rotary tiller blade) and dual-bolt ground-engaging configurations (2 bolts per plowshare/point).

Specifications

Product Code	18030-1645
Component Type	Blade bolt / Partially threaded hex head structural fastener
Property Class / Grade	12.9 (Quenched and tempered alloy steel)
Nominal Thread Size	M16
Shank Diameter (Ø D)	16 mm
Total Underhead Length (L)	45 mm
Threaded Length (G)	22 mm
Unthreaded Shoulder Length	23 mm
Implements Consumption	1 bolt per blade / 2 bolts per share