Quanzhou Mingzhu Technology Development Co., Ltd
Products
Manufacturer of a wide range of products which include M25.4x102mm Track Shoe Bolt And Nut Undercarriage Bolts And Nuts Hot Forging,Heavy Duty And Heavy Strength M20×50 Excavator Track Bolts And Nuts Bulldozer Undercarriage Parts...
MOQ: 2
Price:
| Optional Material | 35CrMo Alloy Steel |
| Thread Type | Metric Coarse Thread |
| Payment Terms | T/T,D/P |
| Application | Excavator & Bulldozer Undercarriage Systems |
| Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging |
| Heat Treatment | Integral Quenching & Tempering |
| Supply Ability | 1500 MT/month |
| Product Type | Track Bolt & Nut Assembly |
| Manufacturing Process | Precision Hot Forging |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M25.4x102mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
MOQ: 2
Price:
| Production Method | Hot Forging & CNC Machining |
| Material | High-strength Alloy Steel |
| Packaging Details | Export pallet packing |
| Surface Treatment | Anti-rust Protective Coating |
| Supply Ability | 1500 MT/month |
| Payment Terms | L/C,T/T |
| Installation | Direct Replacement |
| Delivery Time | 3-7 days |
| Product Name | M20×50 Track Bolts and Nuts |
| Heat Treatment | Quenched and Tempered |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M20×50 |
| Brand Name | STST |
| Place of Origin | Fujian China |
MOQ: 2
Price:
| Material | High-quality Forged Alloy Steel |
| Size | M16 × 45 mm |
| Packaging Details | Export pallet packing |
| Heat Treatment | Quenched and Tempered |
| Supply Ability | 1500 MT/month |
| Payment Terms | T/T,L/C |
| Surface Finish | Corrosion-resistant Protective Coating |
| Delivery Time | 3-7 days |
| Product Name | M16×45 Track Bolts and Nuts |
| Thread Type | Metric Precision Thread |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M16×45 |
| Brand Name | STST |
| Place of Origin | Fujian China |
MOQ: 2
Price:
| Optional Material | 35CrMo Alloy Steel |
| Thread Type | Metric Coarse Thread |
| Packaging Details | Export pallet packaging |
| Heat Treatment | Integral Quenching & Tempering |
| Supply Ability | 1500 MT/month |
| Payment Terms | T/T |
| Application | Excavator & Bulldozer Undercarriage Systems |
| Delivery Time | 3-5 days |
| Product Type | Track Bolt & Nut Assembly |
| Manufacturing Process | Precision Hot Forging |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M25.4x76mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
MOQ: 2
Price:
| Material | Premium Alloy Steel |
| Bolt Size | M16 × 89 mm |
| Supply Ability | 1500 MT/month |
| Payment Terms | D/A,D/P,L/C,T/T |
| Thread Type | Precision Metric Thread |
| Delivery Time | 3-7 days |
| Packaging Details | Export pallet packing |
| Surface Finish | Corrosion-resistant Protective Coating |
| Product Name | M16×89 Track Bolts and Nuts |
| Heat Treatment | Quenched and Tempered |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M16×89 |
| Brand Name | STST |
| Place of Origin | Fujian China |
MOQ: 2
Price:
| Material | Premium High-strength Alloy Steel |
| Bolt Size | M22 × 70 mm |
| Payment Terms | D/A,D/P |
| Surface Protection | Corrosion-resistant Coating |
| Delivery Time | 3-7 days |
| Packaging Details | Export pallet packing |
| Heat Treatment | Quenched and Tempered |
| Supply Ability | 1500 MT/month |
| Product Name | M22×70 Track Bolts and Nuts |
| Manufacturing Method | Hot Forging & CNC Machining |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M22×70 |
| Brand Name | STST |
| Place of Origin | Fujian China |
MOQ: 2
Price:
| Size | M16 × 50 mm |
| Product Category | Excavator & Bulldozer Undercarriage Fasteners |
| Packaging Details | Export pallet packing |
| Thread Type | Precision Metric Thread |
| Supply Ability | 1500 MT/month |
| Surface Finish | Corrosion-resistant Protective Coating |
| Payment Terms | L/C,D/A,D/P,T/T |
| Heat Treatment | Quenched and Tempered |
| Delivery Time | 3-7 days |
| OEM & ODM | Supported |
| Product Name | M16×50 Bolts and Nuts |
| Material | High-strength Alloy Steel |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M16×50 |
| Brand Name | STST |
| Place of Origin | Fujian China |
MOQ: 2
Price:
| Material | 40Cr Alloy Steel |
| Bolt Size | M25.4 × 89 mm |
| Supply Ability | 1500 MT/month |
| Payment Terms | D/A,T/T |
| Application | Excavator & Bulldozer Undercarriage Systems |
| Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging |
| Thread Process | Cold Rolled Threads |
| Product Name | M25.4x89mm Track Fasteners |
| Strength Grade | Grade 12.9 |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M25.4x89mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
MOQ: 2
Price:
| Optional Material | 35CrMo Alloy Steel |
| Thread Type | Metric Coarse Thread |
| Packaging Details | Export pallet packaging |
| Heat Treatment | Integral Quenching & Tempering |
| Supply Ability | 1500 MT/month |
| Payment Terms | T/T |
| Hardness | HRC 32–39 |
| Delivery Time | 3-5 days |
| Product Type | Track Bolt & Nut Assembly |
| Manufacturing Process | Precision Hot Forging |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M22x64mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
MOQ: 2
Price:
| Forging Fiber Flow Structure | Optimized grain flow from hot forging enhances mechanical strength and impact resistance |
| High Clamp Force Retention | Maintains stable preload under continuous vibration and dynamic loading |
| Payment Terms | T/T,L/C,D/A,D/P |
| High-temperature Mechanical Stability | Retains structural integrity under elevated operating temperatures |
| Delivery Time | 3-7 days |
| Precision Dimensional Repeatability | Tight manufacturing tolerances ensure consistent interchangeability across production batches |
| Packaging Details | Export pallet packing |
| Low-friction Thread Engagement | Precision thread finishing provides smoother installation and more accurate torque application |
| Supply Ability | 1500 MT/month |
| Micro-crack Resistance | Heat treatment minimizes the risk of micro-crack formation under repeated stress cycles |
| Residual Stress Optimized Design | Controlled manufacturing process reduces harmful residual stress, improving fatigue life |
| Thread Surface Hardness Uniformity | Consistent hardness across thread surfaces improves wear resistance and installation reliability |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M22×82 |
| Brand Name | STST |
| Place of Origin | Fujian China |
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