These fasteners are of medium carbon steel (comparable to SAE Grade 5). The head marking has the property class (grade) stamped on the head.
{"sku":"SKU|PM06381","spec_notab_51_weight":"Weight|1 Pound","spec_notab_thread_type":"Thread Type|Coarse","promoted_feature_entity_attribute":"Promoted Features|RDO Promise","part_cdk_id":"Part ID|13196774","spec_notab_size":"Size|M8 x 1.25 x 50","feature_bullet_1":"Feature 1|Precision Engineering: John Deere Carriage Bolt are meticulously crafted for a perfect fit, ensuring secure fastening","feature_bullet_2":"Feature 2|Durable Construction: Made from steel","feature_bullet_3":"Feature 3|Efficient Installation: Designed for quick and easy installation, these bolts streamline your maintenance process","feature_bullet_4":"Feature 4|Trusted Quality: Made with the care and precision you expect from John Deere","feature_bullet_5":"Feature 5|Versatile Application: Suitable for a variety of John Deere machinery","part_cdk_company":"Company|01","part_cdk_division":"Division|01","part_cdk_type_code":"Type Code|21","part_cdk_list_price":"List Price|9.56","part_cdk_part_class":"Part Class|57Q","part_cdk_branch_code":"Branch Code|99","part_cdk_branch_name":"Branch Name|Fargo FSO","part_cdk_description":"CDK Description|BOLT","part_cdk_part_number":"Part Number|PM06381","part_cdk_part_source":"Part Source|56","part_cdk_part_status":"Part Status|A","part_cdk_vendor_code":"Vendor Code|DEERE","part_cdk_vendor_name":"Vendor Name|JOHN DEERE","part_cdk_product_line":"Product Line|AGXXXX"}