Hercules plumbing chemicals and products were designed to make a professional plumber's job easier and faster. Hercules is well-known for its Sta Put plumbers putty, Hercules for hands, Glug, Megaloc thread sealant, Johni bolts and Johni rings, and more recently Megatape, Haymaker, and Sludgehammer. For nearly 100 years, loyal customers have come to trust the Hercules name to provide the highest quality products available.