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Quanzhou Yangxin Machinery Co., Ltd.
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Heavy Duty Track Link Bolts M30X150 For Volvo EC210 / Kobelco SK250

Quanzhou Yangxin Machinery Co., Ltd.
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Heavy Duty Track Link Bolts M30X150 For Volvo EC210 / Kobelco SK250

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Brand Name : JBXF

Certification : sio

Place of Origin : china

MOQ : 10

Price : 10

Payment Terms : T/T

Supply Ability : 10

Delivery Time : 10

Packaging Details : box

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2. Abrasion-Resistant Protection
Standard zinc plating fails within 200 hours in abrasive soils. Our Geomet® 3210 coating combines zinc-aluminum flakes with ceramic nanoparticles in a chromate-free matrix. Independent testing (ASTM D968) demonstrates 2,500+ hours salt spray resistance and 30% higher abrasion resistance than Dacromet. The 15-20μm coating withstands rock gouging during track articulation while maintaining 0.35μ surface roughness for consistent friction coefficients. Color-coded violet finish enables visual wear inspection without gauges.Heavy Duty Track Link Bolts M30X150 For Volvo EC210 / Kobelco SK250Heavy Duty Track Link Bolts M30X150 For Volvo EC210 / Kobelco SK250

1. Extreme Load Engineering
Track shoe bolts endure 5X higher shear loads than standard chassis bolts due to direct ground impact. Our M24x120mm bolts utilize quenched & tempered 42CrMoV4 steel (DIN EN 10269) achieving 1220MPa tensile strength. Proprietary cold-forging creates continuous grain flow in shank transitions, increasing fatigue resistance by 40% versus hot-forged alternatives. Finite element analysis confirms uniform stress distribution under 380kN cyclic loading - critical for 50+ ton excavators operating in rock excavation. Bolt head geometry incorporates 12-point flange design to prevent rotation during track flexing.

4. Precision Manufacturing Protocol
CNC machining maintains ±0.015mm dimensional tolerance per DIN 6921. Thread rolling after heat treatment induces compressive surface stresses, raising fatigue strength 25%. 100% automated optical inspection verifies: (a) 6g thread fit per ISO 965-1, (b) Rockwell C33-39 hardness gradient, (c) 0.02mm max head-to-shank concentricity. Laser-etched QR codes provide full traceability - including furnace batch, heat treatment curve, and QC technician ID.


Product Tags:

Heavy Duty Track Link Bolts

      

Track Link Bolts M30X150

      

Kobelco SK250 Track Link Bolts

      
China Heavy Duty Track Link Bolts M30X150 For Volvo EC210 / Kobelco SK250 wholesale

Heavy Duty Track Link Bolts M30X150 For Volvo EC210 / Kobelco SK250 Images

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