BONOSS Forged Grade 12.9 Extended Wheel Bolts
Extended wheel bolts (also called longer wheel bolts, extended lug bolts) are designed with longer thread lengths to allow full thread penetration with wheel spacers or wider aftermarket rims of a different offset. High-quality lugs for ensuring safety. BONOSS Extended Wheel Bolts applies JIS SCM440 high strength steel material, which provides extremely high performance. They are ISO Standard Grade 12.9 approved (most OEM studs or bolts are grade 10.9), which showcase good ductility and high-temperature stress resistance, structural stability, wear-resistance, excellent toughness, impact resistance, and more advantages.