BT50 BST HOLDER for big size boring bars rough and finish pack of 1 SPTYPEUDRILL typically measured in thousandths of

typically measured in thousandths of an inch and metric measurements

Hardened Star Torx Screw for Milling Cutters offered are screws that come with precision design and construction standards

Pack of  2 Box

Easy Installation: Simplifies setup for quick and efficient use

BT50 BST HOLDER for big size boring bars rough and finish pack of 1 SPTYPEUDRILL typically measured in thousandths ofBST adaptors are only used for rough and finish boring head which require BST type holders, screws to fix into bst holder come with the boring head, not with the holder comes in different length please choose the length from the variations BST boring adapter for roughing and finishing boring tools