Heavy Duty Track Link Bolts

Track Link Bolts M30X150

Kobelco SK250 Track Link Bolts

Place of Origin:

china

Brand Name:

JBXF

Certification:

sio

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Product Details

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Heavy Duty Track Link Bolts

Track Link Bolts M30X150

Kobelco SK250 Track Link Bolts

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yangxin@jbxfbolt.com

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Product Description

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

Extreme Load Engineering

Track shoe bolts endure 5X higher shear loads than standard chassis bolts due to direct ground impact. Our M24x120mm bolts feature:

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
12-point flange design prevents rotation during track flexing

Abrasion-Resistant Protection

Our Geomet® 3210 coating provides superior protection:

Combines zinc-aluminum flakes with ceramic nanoparticles in chromate-free matrix
ASTM D968 testing shows 2,500+ hours salt spray resistance
30% higher abrasion resistance than Dacromet
15-20μm coating withstands rock gouging while maintaining 0.35μ surface roughness
Violet color-coding enables visual wear inspection

Precision Manufacturing Protocol

Our rigorous production process ensures exceptional quality:

CNC machining maintains ±0.015mm dimensional tolerance (DIN 6921)
Thread rolling after heat treatment increases fatigue strength by 25%
100% automated optical inspection verifies:
- 6g thread fit per ISO 965-1
- Rockwell C33-39 hardness gradient
- 0.02mm max head-to-shank concentricity
Laser-etched QR codes provide full traceability including furnace batch and heat treatment data

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