1. Maximum power (drilling efficiency) in the pistol- type hammer drills (see p2/8 -3/8).
2. Variable speed switch and rotation reversing switch
3. Easy replacement of bits and adapters by the chuck which slides back-and-forth
4. Working on iron, wood and screw driver by attaching chuck adapter and drill chuck of optional accessories.
5. Grease- pack system which needs no lubrication
6. Drilling speed of the large size (Ø18) 6 times as fast as vibrating drills (8419B-2 HP 2010N)(see p3/8).
F
eatures and benefits