The Vermeer 2.375-in API Reg pin dirt bit sub adapter is used with Universal Housing part number 296351765 and Vermeer six-bolt pattern bits with .5-in bolts.
{"sku":"SKU|296257756","spec_notab_fits_on":"Fits On|D24x40 Series II, D24x40 S3, D36x50 Series II, D40x55 S3","spec_notab_31_width":"Width|14.1 Inch","spec_notab_21_length":"Length|4.8 Inch","spec_notab_41_height":"Height|4.45 Inch","spec_notab_51_weight":"Weight|18.5 Pound","spec_notab_133_outside_diameter":"Outside Diameter|3.5 Inch","promoted_feature_entity_attribute":"Promoted Features|RDO Promise","part_cdk_id":"Part ID|14511729","shipping_group":"Shipping Group|ESTIMATED_SMALL_SIZE^VERMEER_DROP_SHIP_SURCHARGE","part_cdk_company":"Company|01","part_cdk_division":"Division|01","part_cdk_type_code":"Type Code|B","part_cdk_list_price":"List Price|703.9","part_cdk_part_class":"Part Class|B13","part_cdk_branch_code":"Branch Code|99","part_cdk_branch_name":"Branch Name|Fargo FSO","part_cdk_description":"CDK Description|DIRT BIT SUB -","part_cdk_part_number":"Part Number|296257756","part_cdk_part_source":"Part Source|1","part_cdk_part_status":"Part Status|A","part_cdk_vendor_code":"Vendor Code|100420","part_cdk_vendor_name":"Vendor Name|VERMEER MFG CO","part_cdk_product_line":"Product Line|VEXXXX","spec_notab_ground_type":"Ground Type|Sandy Soil,Loam,Soft Soil,Medium Soil,Hard Soil","spec_notab_bolt_pattern":"Bolt Pattern|6-hole - 1/2-in bolt","spec_notab_rear_connection":"Rear Connection|2.375-in (6-cm) API Reg"}