Product Description: 4F3654 track bolt and nut and washer for undercarriage parts with grade 12.9 grade 8.8 and grade 10.9 P/N Measurement U'/W(kg) Grade Material 8H7504 1/2"UNF-20X38 0.06 12.9 40cr R24688 1/2"UNF-20X40 W ...learn more
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