As the leading ship supplier in Sao Tome And Principe, Propeller Retrofitting, we specialize in delivering high-quality Marine Countersink Bits with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Marine Countersink Bits are specialized tools designed for creating conical holes in marine-grade materials. Mechanical Systems refer to the integrated components and mechanisms that ensure precision and durability in harsh marine environments. These bits are typically corrosion-resistant and engineered for high-performance applications on boats and ships.
Size: 1/4" to 1" diameter
Grade: High-speed steel (HSS) or carbide-tipped
Viscosity: Not applicable (solid tool)
Buoyancy: Negative (sinks in water)
Material: High-speed steel, carbide, or coated steel
Flute Type: Spiral or straight
Point Angle: 60° to 90°
Shank Type: Hex or round
Corrosion Resistance: Stainless steel or coated variants available
Application: Marine-grade metal and composite drilling
Ropes, paints, safety gear, and workshop tools.
Fresh/canned food, bonded stores, and PPE kits.
Air/sea freight with port-to-vessel handover.
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