Sgs 07334 Circuit Board Drill Bit 1.35 Mm Solid Carbide

Product Description

The SGS 07334 is a solid carbide circuit board drill bit engineered for precision drilling in printed circuit boards and other tight-tolerance applications. It features a 1.35 mm (0.0531 inch) cutting diameter with a 130-degree four-facet point geometry that promotes clean entry and accurate hole placement. The uncoated solid carbide construction provides the rigidity required to maintain dimensional accuracy at small diameters. With a 1/8-inch (3.18 mm) shank diameter and 1.5-inch overall length, this bit fits standard CNC drilling spindles and precision drill presses used in electronics fabrication and repair. Licensed HVAC, electrical, and mechanical technicians working on control board repair or PCB drilling will find this bit suited to fine-work scenarios.

This drill bit is appropriate for use in both production and maintenance environments where small-diameter, high-precision holes are required. Compatible workpiece materials include aluminum, cast iron, cobalt alloy, copper alloy, fiber-reinforced polymers, nickel, plastics, stainless steel, and titanium. The regular spiral with a 30-degree helix angle supports efficient chip evacuation in these varied materials. It is suited for light CNC drilling machines, bench-top drill presses, and handheld precision drilling fixtures where a 1/8-inch collet or chuck is available.

Key Features

• 1.35 mm (0.0531 inch) cutting diameter with diameter tolerance of -0.0003 to +0.0000 inches for tight hole accuracy
• 130-degree four-facet point geometry for clean, accurate hole entry
• Solid carbide construction rated heavy-duty for rigidity at small diameters
• 1/8-inch (3.18 mm) shank fits standard collets and CNC spindles
• Regular spiral with 30-degree helix angle for effective chip evacuation
• Uncoated finish suitable across a broad range of workpiece materials including plastics and metals

Compatibility

Designed for use in drilling applications involving aluminum, cast iron, cobalt alloy, copper alloy, fiber-reinforced polymers, nickel, plastics, stainless steel, and titanium workpieces. Fits any drill spindle or collet accepting a 1/8-inch shank.

Installation Notes

This bit is installed and operated by machinists, electronics technicians, or skilled tradespeople using CNC drilling equipment or precision bench-top drill presses. Before mounting, verify the spindle or collet is clean and securely tightened to prevent runout that can break small-diameter carbide bits. Carbide is brittle — avoid side loading, interrupted cuts without proper feed rate control, or using this bit in handheld rotary tools not designed for precision work. Follow the equipment manufacturer's recommended feed and speed parameters for the target workpiece material.