EMPLOYEE REPORTED HE WAS DRILLING A HOLE NEAR THE END OF A PUMP SHAFT FOR A COTTER KEY WITH A HAND HELD DRILL, WHEN THE 9/64 INCH DRILL BIT BROKE. EMPLOYEE RECEIVED A PUNCTURE WOUND AT THE BASE OF THE MIDDLE FINGER ON HIS RIGHT HAND. EMPLOYEE RECEIVED SUTURES AND RESTRICTION FOR USE OF RIGHT HAND, WHEN HE WAS TAKEN TO THE DOCTOR.