Guhring 9011830046000 Carbide Drill Bit 4.6 Mm Tin

Product Description

The GUHRING 9011830046000 is a solid carbide jobber length drill bit designed for precision drilling in cast iron and steel. It features a 140-degree split point (SU type) with web thinning for self-centering entry, reducing the need for a center punch on most setups. The TiN (Titanium Nitride) coating extends tool life by reducing friction and surface wear. At 74 mm overall length with a 36 mm flute length and a 5xD flute-to-diameter ratio, this bit suits tight tolerances and repeatable hole quality in production and maintenance environments. It is sized at 4.6 mm diameter (0.1811 inches) and conforms to DIN 6537L standards.

This drill bit is suited for machining cast iron and steel workpieces in both production shop and field maintenance applications. The whistle notch shank provides positive rotational drive in compatible tool holders, minimizing slippage under load. The coolant-through design supports high-speed drilling operations where internal coolant delivery is available, helping to evacuate chips and manage heat in deep-hole applications up to 29.1 mm depth. It is a standard fit for CNC machining centers, drill presses, and handheld power tools equipped with appropriate collet or chuck systems.

Key Features

• Solid submicron carbide construction for durability in ferrous materials including cast iron and steel
• TiN coating reduces friction and extends cutting life compared to uncoated carbide
• 140-degree SU point with web thinning enables self-centering entry without pilot drilling
• Coolant-through design supports internal coolant delivery for deep-hole chip evacuation
• Whistle notch shank provides positive drive engagement and slip resistance in compatible holders
• Conforms to DIN 6537L and DIN 6535 standards for consistent dimensional accuracy

Compatibility

Designed for use in cast iron and steel workpiece materials. Shank diameter is 0.2362 inches, compatible with whistle notch tool holders conforming to DIN 6535. Drill bit size falls within the 4.00 mm to 5.00 mm range (0.1500 to 0.2000 inches decimal).

Installation Notes

Installation and use should be performed by qualified machinists or tooling technicians familiar with carbide tooling. Ensure the spindle and tool holder are fully powered down and locked out before changing tooling. Carbide is brittle and susceptible to chipping if dropped or subjected to side loading; handle with care during setup. Verify coolant-through compatibility with the machine spindle before enabling internal coolant flow.