You'll get the most out of your biter by following the guidelines outlined below.


Cutting Guidelines

Power Source: Hand Drill
Speed: 1,200 – 4,500
Cut Width (all materials): 1/8″

Maximum Thickness:
Mild Steel* : 14 gauge
Stainless Steel* : 18 gauge
Brass/Copper/Aluminum : 14 gauge
Plastic & Fiberglass : 3/32″
Laminate & Veneer : 3/32″

*use on flat or corrugated stock/cutting oil is recommended for maximum blade life
Minimum cutting speed 2,000RPM

Setting the Steerable Heads

One or both heads can be set to steerable
Turn the screw 1/4 turn using allen wrench provided
Head should turn freely but still be snug. Lock Tite can be used to secure set screw
Set heads in opposite direction for max versatility
Make sure you:

Bring drill to maximum RPM before cutting material
Keep speed constant while cutting
Don’t force Biter to cut faster

Using the Bad Dog Long Dog Biter

The Long Dog Biter allows you to reach material while being up to 6 inches away from it.

Perfect for working on the firewall in your car.

Also great for any kind of HVAC work where you need to make cuts but your tool will not fit into the duct work.

Using the Bad Dog Biter to Install Custom Gages

The Bad Dog Biter is the perfect tool for creating custom gage clusters.

Simply trace the shape you need, drill a half in hole for the Biter head and cut out the pattern.

Don't worry about it being perfect on the first pass, with the Bad Dog Biter its easy to go back and remove small amounts of extra material.

Changing the Biter Blade

1. Remove metal retaining clip (A).
2. Remove the plastic end cap (B).
3. Loosen lock nut (C) & remove attached set screw (D) with allen wrench.
4. Insert new blade (E) with indentation facing up while gently pushing old blade through and out.
5. Align indentation in center of blade block (F).
6. Replace set screw (D) into indentation in new blade..
7. Re-tighten lock nut (C)
8. Grease
9. Replace end cap (B) & retaining clip (A).