Premium Steel Button Tooth Tricone Drill Bit – 8 1/2"" Oilfield-Grade Keychain

Durable 4140 alloy steel construction with precision-machined tungsten carbide teeth for extreme abrasion resistance. Industrial-grade heat treatment ensures longevity under high torque and pressure.

Compact yet fully functional replica of professional oilfield drilling equipment. Ideal for petroleum engineers, rig workers, or collectors seeking rugged industrial aesthetics.

Mirror-polished chrome finish resists corrosion while maintaining sharp tooth geometry. Each bit features authentic sealed roller bearings and pressure-compensating lubrication system.

Perfect as a unique gift for drilling professionals or heavy machinery enthusiasts. Doubles as a practical keychain with 200kg load-bearing capacity.

Global wholesale pricing available for bulk orders – direct factory sourcing eliminates middleman markup. Ships worldwide with OEM quality assurance.