Sgs 07275 Circuit Board Drill Bit Size 80 Solid Carbide

Product Description

The SGS 07275 is a solid carbide circuit board drill bit designed for precision drilling in printed circuit board fabrication and related small-hole applications. It carries a wire gauge size of 80, with a decimal diameter of 0.0135 inches (0.34 mm), and features a 130-degree four-facet point geometry that reduces walking and improves hole entry accuracy. The uncoated solid carbide construction delivers the rigidity and edge retention required for tight-tolerance work in hard and abrasive materials. At 1.5 inches overall length with a 0.125-inch shank diameter, this bit fits standard CNC drilling spindles and precision drill presses used in electronics manufacturing and prototype board work.

This drill bit is suited for drilling small-diameter holes in PCBs, multi-layer boards, and similar thin-stock assemblies. Its regular spiral with a 30-degree helix angle and tapered web configuration promotes chip evacuation in shallow-hole drilling passes. The Series 105 designation places it within SGS tooling lines intended for high-precision, small-diameter applications. It is appropriate for use by machinists, electronics fabricators, and tool-and-die professionals working with non-ferrous metals, plastics, fiber-reinforced polymers, and similar substrates.

Key Features

• Wire size 80 decimal diameter of 0.0135 inches for precision small-hole drilling
• 130-degree four-facet point reduces bit walking and improves entry accuracy
• Solid carbide construction for rigidity and edge retention in abrasive materials
• Regular spiral with 30-degree helix angle promotes chip evacuation
• Tapered web configuration adds strength at the cutting tip
• Uncoated finish suitable for a wide range of material types

Compatibility

Designed for use with CNC drilling equipment and precision drill presses accepting a 0.125-inch shank. Rated for drilling aluminum, cast iron, cobalt alloy, copper alloy, fiber-reinforced polymers, nickel, plastics, stainless steel, and titanium per manufacturer material application data.

Installation Notes

This bit is installed by machinists and electronics fabrication technicians using CNC spindles or precision benchtop drill presses. Secure the 0.125-inch shank in a collet or chuck rated for the shank diameter before operation. Ensure the machine is fully stopped and locked out before changing bits. At this diameter, feed rate and spindle speed must be set conservatively to avoid bit deflection or breakage - consult the machine manufacturer and tooling speed-and-feed charts for solid carbide at size 80.