Osg 650043711 Screw Machine Drill Bit 7/16 Solid Carbide

Product Description

The OSG 650043711 is a screw machine length drill bit designed for high-performance drilling in demanding metalworking applications. Built from solid carbide, it delivers the rigidity and wear resistance needed when cutting through steel, alloy steel, cast iron, titanium, and titanium alloys. The bit features a 140-degree drill point angle with R-thinned web geometry, which reduces thrust and improves centering at entry. Two spiral flutes evacuate chips efficiently, and the straight-cylindrical shank provides secure, concentric seating in standard drill chucks and collets. Coolant-through capability supports high-speed production environments where heat management is critical. This bit is sold individually.

The 650043711 is suited for machine shop and production environments where short, rigid drill geometry is preferred over jobber-length bits. The screw machine length profile minimizes deflection and runout in CNC machining centers, turret lathes, and drill presses. Its 3xD flute-to-diameter ratio makes it a practical choice for shallow-to-moderate depth holes in ferrous and hard-metal workpieces. Shops working with tight-tolerance bores in steel components and titanium aerospace parts will find this bit a reliable production tool.

Key Features

• Solid carbide construction for high rigidity and extended tool life in hard and abrasive materials
• 140-degree split-point geometry with R-thinned web reduces entry thrust and improves self-centering
• Coolant-through design supports high-speed cutting and heat dissipation at the cutting zone
• 2-flute spiral configuration provides efficient chip evacuation in ferrous materials
• Straight-cylindrical shank fits standard chucks and collets without adapters
• Screw machine length body minimizes deflection and improves hole-position accuracy

Compatibility

Designed for use in CNC machining centers, turret lathes, and drill presses where a 7/16 inch straight-shank screw machine length carbide drill bit is required. Primary workpiece materials include steel, alloy steel, cast iron, titanium, and titanium alloy.

Installation Notes

This bit should be installed by a qualified machinist or toolroom technician familiar with carbide tooling. Ensure the spindle and chuck or collet are clean and free of runout before seating the shank. Carbide is brittle — avoid side loading, interrupted cuts without proper feed-rate adjustment, and impact conditions that would be acceptable with high-speed steel tooling. Always verify coolant flow is active before engaging the cut when using the through-coolant feature.