The Vermeer 3.5-in API Reg pin dirt bit sub adapter is used with Universal Housing part number 296351767 and Vermeer six-bolt pattern bits with .75-in bolts.
{"sku":"SKU|296259971","spec_notab_fits_on":"Fits On|D100x120, D100x120 Series II, D100x140, D100x140 S3","spec_notab_31_width":"Width|19.2 Inch","spec_notab_21_length":"Length|6.3 Inch","spec_notab_41_height":"Height|6.2 Inch","spec_notab_51_weight":"Weight|48.95 Pound","promoted_feature_entity_attribute":"Promoted Features|RDO Promise","part_cdk_id":"Part ID|14601223","shipping_group":"Shipping Group|ESTIMATED_LARGE_SIZE","part_cdk_company":"Company|01","part_cdk_division":"Division|01","part_cdk_type_code":"Type Code|C","part_cdk_list_price":"List Price|1049.06","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|BIT-DIRT SUB UN","part_cdk_part_number":"Part Number|296259971","part_cdk_part_source":"Part Source|2 ","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 - 3/4-in bolt","spec_notab_rear_connection":"Rear Connection|3.5-in (8.9-cm) API Reg"}