Quanzhou Yangxin Machinery Co., Ltd.
Quanzhou Yangxin Machinery Co., Ltd.
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Heavy-Duty Excavator Track Shoe Bolts TS-880 Series | High Tensile ISO 898-1 Grade 10.9 | Anti-Corrosion Coating | OEM Replacement
Excavator Track Shoe Bolts - TS-880 Series
Engineered for heavy-duty mining and construction machinery, these high-strength bolts ensure secure track shoe fixation under extreme conditions. Manufactured from ISO 898-1 Grade 10.9 alloy steel (Material: 34CrMo4), tensile strength reaches 1040MPa, yield strength 940MPa, exceeding standard Grade 8.8 bolts. Surface treatment with manganese phosphate + anti-rust oil passes 240+ hours salt spray test, resisting mud, abrasion, and chemical corrosion.
Key Specifications:
Model: TS-880-24x120
Thread: M24 x 3.0
Length: 120mm (incl. flange head)
Strength Grade: 10.9
Torque: 1250±50 N·m
Compatibility: 30-50-ton excavators e.g., Cat 320D, Komatsu PC300, Hitachi ZX350
Anti-Loosening: Integrated serrated flange washer increases contact area to prevent vibration-induced loosening. Requires hydraulic tensioning tool for uniform preload. Each set includes bolt, nut, and hardened washer (DIN 6914). 18-month warranty.
| Brand | Model | Bolt Type | Size | Thread | Grade | OEM Part Example |
| Komatsu | PC200 | Hex Head Bolt | M16x60mm | 2.0mm | 8.8 | 6Y-3201 |
| Komatsu | PC300 | Flange Bolt | M20x80mm | 2.5mm | 10.9 | 789-65-10740 |
| Hyundai | R220 | Hex Cap Screw | 3/4"x3" | 10UNC | Grade 8 | R2225-2S0020 |
| Hyundai | R500 | Shoulder Bolt | M24x120mm | 3.0mm | 12.9 | HX501-2C0050 |
| Komatsu | PC130 | Carriage Bolt | M12x40mm | 1.75mm | 8.8 | 755-11-11310 |
| Hyundai | HX300 | Taper Bolt | 5/8"x2.5" | 11UNC | Grade 5 | HX300-1R0040 |
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