STANDARD BED MILLS MILLING PRODUCT CATALOG Affordable, extra heavy-duty, large capacity,... • Ground t-slots provides an accurate reference edge • hardened and ground square Y/Z ways, dovetail on X... (18mm) 3.15" (80mm) Dovetail Square Square (380x1524mm) 1,800 lbs. (817kg) 3.709" (18mm) 3.15" (80mm) Dovetail. Description Clausing 8BVS40 Bed Mill, 17″ x 62″ Table, 7.5 HP - NEW Prices subject to change every 10 days due to economic changes please call us to verify the price! SKU #0727002 Standard Features… Powerful 5 Hp spindle drive motor Mechanical variable speed drive with 2 speed ranges Hardened and ground spindle with NT40 taper. Standard Holes. Standard hole sizes for bolts are made 1/16-in. larger in diameter than the nominal size of the fastener body. This provides a certain amount of play in the holes, which compensates for small misalignment's in hole location or assembly, and aids in the shop and field entry of fasteners. In the absence of approval by the.