Relton (PD-42) Carbide Pilot Drill Bit Less than 1 Micron1951 Automatic for accuracy

Automatic for accuracy

3-4 months

The adjustable stroke allows fine-tuning of chemical dosage to match water flow rates and treatment goals

Intended for copper pipe only—not compatible with flexible tubing

Front-mounted head provides straightforward access for routine checks

Relton (PD-42) Carbide Pilot Drill Bit Less than 1 Micron1951 Automatic for accuracyRelton Professional Drilling Tools Relton PD 42 Carbide Pilot Drill Bit Precision carbide tipped pilot bit engineered for first step porcelain and cast iron penetration Carbide tipped for porcelain Cast iron penetration Guides finish saws The Relton PD 42 Carbide Pilot Drill Bit is the essential first tool in professional porcelain countertop cutting applications. Its carbide tipped design drills clean pilot holes through both porcelain surfaces and