Chicago-latrobe 69020 Jobber Drill Bit Wire 20 Hss

Product Description

The CHICAGO-LATROBE 69020 is a jobber length drill bit designed for heavy-duty metal drilling applications. Built from high speed steel with a bright uncoated finish, this bit measures 3.25 inches overall length with a 2.125-inch flute length. The 135-degree split point reduces walking on contact and requires no center punch on most flat surfaces. A parabolic flute geometry improves chip evacuation during deep-hole drilling, reducing heat buildup and tool wear. The straight cylindrical shank is sized at 0.1610 inches in diameter to fit standard drill chucks. This bit is installed and used by machinists, maintenance technicians, and HVAC or plumbing tradespeople drilling pilot or access holes in steel alloy components.

This bit is sized to wire gauge number 20, equivalent to 0.1610 inches decimal diameter, and is suited for drilling steel alloy workpieces in production and maintenance environments. The Series 150DH heavy-duty classification indicates it is built for more demanding drilling cycles than standard jobber bits. Typical applications include drilling sheet metal, structural steel, and fabricated components where chip control and point stability are critical. Right-hand cutting direction is standard for conventional drill press and hand drill operation.

Key Features

• Wire size number 20, 0.1610 inch decimal diameter for precise sizing
• 135-degree split point reduces thrust force and eliminates center-punch requirement on flat stock
• Parabolic flute design accelerates chip removal and reduces heat in deep-hole applications
• High speed steel construction rated for steel alloy workpiece materials
• Tapered web with web thinning for reduced cutting resistance
• Series 150DH heavy-duty grade for extended cycle performance

Compatibility

Designed as a direct-fit jobber length drill bit for any standard drill chuck accepting a 0.1610-inch straight cylindrical shank, including drill presses, hand drills, and right-angle drill attachments used in trade and industrial settings.

Installation Notes

This drill bit is installed by machinists, maintenance technicians, and trade professionals using standard three-jaw or keyless drill chucks. Secure the shank fully in the chuck before operation and confirm the workpiece is clamped or fixtured to prevent movement. Use appropriate cutting fluid or coolant when drilling steel alloy to extend bit life, even though this bit does not support internal coolant delivery. Inspect the split point for wear or chipping before each use and replace if the geometry is compromised.