US PRO Air Drill - 3/8" Chuck - Keyless - Reversible

The keyless chuck on this US PRO Air Drill can securely hold drill bits with shanks ranging from 1mm to 10mm in diameter.

No, this drill features a keyless chuck. You simply unscrew the collar by hand to insert or remove a bit and then tighten it again by hand.

The drill requires an air pressure of 90 PSI and has an average air consumption of 4 CFM. Ensure your air compressor can meet these requirements.

Yes, due to its reversible lever, you can switch between forward and reverse. This allows it to be used for driving screws as well as drilling.

The 90-degree angle head allows the drill to operate in very tight spaces or corners where a standard straight drill would not fit.

It is recommended to add 1-2 drops of air tool oil into the air inlet before or after each use, depending on the manufacturer's specific instructions for optimal performance and longevity.

Check air pressure from the compressor is at least 90 PSI. Ensure the air hose connection is secure and not leaking. Verify the CFM output of your compressor meets the 4CFM requirement. Check the reverse lever is not partially engaged.

Ensure the drill bit is fully inserted into the chuck. Tighten the keyless chuck collar firmly by hand. Check for any debris or damage within the chuck jaws. Ensure the bit shank is within the 1-10mm range.

Inspect the air inlet connection for tightness and damage. Check for cracks or damage in the tool's housing or handle where air might escape. If leaks persist, consult the product manual or manufacturer support.

Gently cycle the lever back and forth while the drill is not under power. Ensure no debris is obstructing the lever mechanism. If stiffness persists, a small amount of lubricant may be applied to the lever mechanism, but avoid over-lubrication.