Use and Care Manual

4212 WENPRODUCTS.COM

Operation

(continued)

Mechanical variable speed (Fig. 18)

This is a mechanical variable speed drill press. To increase or

decrease the speed when operating, raise or lower the speed

handle (1).

Use the following table to determine the recommended speed

for the drill size you are using and the type of material you are

to drill. While drilling, check the speed on the digital speed

readout (2) located at the front of the drill press.

Warning: Do not change speed without turn on the machine.

Recommended speed for drill bit size and materials

SPEED WOOD ALUMINUM / ZINC / BRASS IRON / STEEL

RANGE Drill bit size Drill bit size Drill bit size

(RPM) inches mm inches mm inches mm

2000–3100 3/8 9.5 7/32 5.6 3/32 2.4

1400–2000 5/8 16.0 11/32 8.75 5/32 4.0

1000–1400 7/8 22.0 15/32 12.0 1/4 6.4

800–1000 1 1/4 31.75 11/16 17.5 3/8 9.5

530–800 1 5/8 41.4 3/4 19.0 5/8 16.0

Fig. 18