138-6440 Caterpillar grader blade

138-6440 Caterpillar grader blade

Description: grader blade

Part Number: 138-6440

Dimension: 1219*406*45 9*1"

Holes: 9

Bolt: 4J9058

Nut: 5J3507

Washer??5P8250

Model: 24H,24M

Material: carbon steel or boron steel

Hardness: HB280-320 or HB450-500

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