
Form AD Form B coolant through coolant through flange form B blocked flange form B
| coolant stop | coolant through spindle | coolant stop | coolant through spindle | ||
| screw | option form AD | screw | option form AD blocked |
| WIDIA™ toolholders are positioned in the AD coolant form with self-sealing, | Form B toolholders can be converted back through the drawbar form AD by |
| nylon-coated screws. The coolant screws are designed to completely seal | simply threading the coolant stop screw and stopping below the flange coolant |
| the tool and prevent coolant leakage under pressures up to 1500 psi. | entry hole. Changing coolant form can be achieved many times before it is |
| However, if form B coolant is desired, the coolant stop screws must | necessary to replace the coolant stop screw. |
be backed out into the form B position. All form B capable tooling is supplied with a label designating the required screw components for each steep taper size and information necessary for selecting a wrench to adjust the coolant stop screws.
IMPORTANT When choosing a desired coolant form, the correct retention knob should be used in conjunction with the coolant form applied.
Form AD
Form B
Form AD Form B (through-coolant hole) (no hole through or half hole)