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Quanzhou Yangxin Machinery Co., Ltd.

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City:quanzhou

Province/State:fujian

Country/Region:china

Contact Person:MrYangxin

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China Grade 8.8 Carbon Steel Value Pack Track Bolts Kit For D6 / D7 Dozers 20T Excavators Perfect wholesale

Grade 8.8 Carbon Steel Value Pack Track Bolts Kit For D6 / D7 Dozers 20T Excavators Perfect

Name: Grade 88 Carbon Steel Value Pack Track Bolts Kit For D6 D7 Dozers 20T Excavators Perfect
Brand: JBXF
Price: 10 USD

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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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rafted from 42CrMo chromium-molybdenum alloy steel (GB/T 3077 compliant), processed through vacuum degassing → multidirectional forging → controlled atmosphere quenching → tempering. Achieves Grade 12.9 ultra-high strength (tensile strength ≥1220MPa, yield strength ≥1100MPa). Microstructure features uniform tempered sorbite with impact toughness >100J, delivering 300% longer fatigue life than standard Grade 10.9 bolts.

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