06.02839.0021 Hex head screw 06.02839.0021

SpecificationsOE Part Number: 06.02839.0021 Product Name: Grade 10.9 Fine Thread Hex Head Bolt for Heavy Truck Chassis Thread: M24, fine pitch 2mm Shank Length: 160mm Strength Class: Grade 10.9 quenched and tempered alloy steel Manufacture: Integral hot forged hex head, precision rolled thread Surface Treatment: Phosphating + black oxide anti-rust coating Net Weight Per Piece: 0.26kg Applicable Vehicles: Shacman, Sinotruk and other heavy-duty trucks, dump trucks Application Position: Extended leaf spring, lifted suspension, balance shaft support, heavy-load chassis connection pointsProduct Features

Made of grade 10.9 tempered steel, excellent tensile, impact and fatigue resistance, no elongation or fracture under full load and bumpy road conditions;

M24 fine thread with more meshing turns, good self-locking performance to prevent loosening under continuous vibration and reduce abnormal chassis noise;

Integral forged hex head without joint gap, no risk of head breakage; compatible with standard 36# sleeve for easy assembly and disassembly;

Precision rolled thread with smooth surface, no burr or missing teeth, anti-stripping after repeated disassembly, perfectly matched with original self-locking nuts;

Double anti-corrosion coating protects against mud, water and road corrosives, avoiding rust seizure after long-term chassis service;

Original OE extended size of 160mm specially designed for thickened spring hangers and lifted suspensions, direct replacement without cutting or grinding.

Advantages

Standard OE dimension perfectly fits extended suspension and thick leaf spring of heavy trucks, direct replacement for repair shops and vehicle manufacturers;

Higher load capacity than grade 8.8 bolts, effectively reduce maintenance caused by loose or broken chassis fasteners;

Reliable self-locking fine thread reduces the use of extra lock washers and improves assembly efficiency;

Extended length solves installation problems that short bolts cannot handle, wider application range for modified and lifted chassis;

Stable material and unified weight data simplify packing calculation and customs document preparation for foreign trade;

Compatible with multiple domestic heavy truck models, lower inventory pressure for distributors.