Hertel 30009600 Circuit Board Drill Bit No. 41 Solid Carbide

Product Description

The HERTEL 30009600 is a solid carbide circuit board drill bit designed for precision drilling in printed circuit board (PCB) fabrication and similar tight-tolerance applications. Ground to a No. 41 wire gauge size, it measures 0.0960 inches (2.44 mm) in diameter with a matching 0.0960-inch shank. The 118-degree drill point and fast spiral flute geometry promote clean entry and efficient chip evacuation. A bright polished finish reduces friction and helps maintain cutting edge life. This bit is suited for use in CNC drilling equipment and precision drill presses operated by machinists, electronics technicians, and fabrication professionals.

This drill bit is intended for drilling cast iron, non-ferrous metals, and steel in applications that demand consistent hole size and surface finish. Its tapered web configuration adds strength at the tip while the 35-degree helix angle supports fast chip removal at higher spindle speeds. Typical install scenarios include PCB drilling, instrument panel fabrication, and small-diameter production drilling where hole location and diameter tolerance are critical. The tight diameter tolerance of -0.0005 to +0.0000 inches ensures repeatable, on-size holes across production runs.

Key Features

• No. 41 wire gauge size, 0.0960 inches (2.44 mm) diameter with matching shank diameter
• Solid carbide construction for superior hardness and wear resistance in small-diameter drilling
• 118-degree drill point angle for accurate starts and clean hole entry
• Fast spiral, 35-degree helix angle promotes rapid chip evacuation
• Tapered web configuration adds tip strength and reduces walking
• Bright polished finish minimizes friction and extends cutting life
• Tight diameter tolerance of -0.0005 to +0.0000 inches for precision, repeatable holes

Compatibility

Designed for use in cast iron, non-ferrous metals, and steel. Suitable for CNC PCB drilling machines and precision drill presses that accept a 0.0960-inch straight shank. Verify collet or chuck size before installation.

Installation Notes

Installation and use should be performed by qualified machinists or fabrication technicians familiar with small-diameter carbide tooling. Carbide is brittle — avoid side loads, interrupted cuts without proper feed rate control, and re-chucking without confirming runout. Ensure the spindle and collet are clean and free of debris before seating the shank. Match spindle speed and feed rate to the workpiece material to prevent tip fracture.