1. HAND DRILLS/TWIST DRILLS/EXTRACTORS

2. DRILLS n USED TO TURN DRILL BITS AND OTHER OBJECTS n CAN BE VARIABLE SPEED (VS) –THE FARTHER YOU PULL THE TRIGGER THE FASTER IT GOES n CAN BE REVERSIBLE –FLIP OF A SWITCH n CAN BE BOTH (VSR)

3. DRILL PARTS CHUCK TRIGGER HANDLE CHUCK KEY

4. DRILL SAFETY n UNPLUG BEFORE CHANGING BITS n HANG ON FIRMLY n PUSH THE WAY YOU WANT IT TO GO n DON’T OVER-SPEED n LUBRICATE BIT WHILE CUTTING MOST METAL n ALWAYS SUPPORT WHAT YOU ARE DRILLING IN A VICE

5. SUPPORT IN A VICE

6. WHY TO HANG ON FIRMLY

7. PUSH THE DIRECTION YOU WANT TO DRILL

8. UNPLUG BEFORE REMOVING BIT

9. OVER-SPEEDING AND OR THE LACK OF LUBRICATION

10. TYPES OF DRILLS COMMON CHUCK SIZES 1/4”, 3/8”, 1/2” HAMMER DRILL CORDLESS KEYLESS DRILL PRESS

11. DRILL BITS $109 $145

12. TWIST DRILLS n COME IN –FRACTIONAL SETS –NUMBERED SETS –LETTERED SETS

13. SIZING A BIT DRILL GAUGE

14. EXTRACTORS $65 $30 $19

15. EXTRACTORS n USED TO REMOVE BROKEN OFF BOLTS –DRILL DOWN INTO BROKEN OFF BOLT –WEDGE EXTRACTOR INTO HOLE –TURN OUT BROKEN OFF BOLT

16. USING AN EXTRACTOR

18. DRILLS, TWIST DRILLS & EXTRACTORS QUESTIONS ?