Drillco 1-7/16″ S&D Drill, 1/2″ Shank (1000A228)

Description

Drillco 1000A228 1-7/16″ S&D Drill, 1/2″ Shank belongs to the Drillco 1000 Series of Silver & Deming drills, designed to increase the drilling range of portable drills with a standard 1/2″ chuck. Featuring a 1/2″ reduced shank with 3-flats, this bit ensures secure grip in handheld tools. The spiral flute design supports efficient chip evacuation and coolant flow, while the heavy-duty core provides added strength and minimizes the risk of breakage. Its 135° split point enables precise drilling without walking. Finished with a Black and Gold treatment, the bit improves lubricity and supports faster drilling speeds. With a uniform 6″ length across the series, it offers consistent handling for general-purpose metal drilling.

Features:

• 1/2″ reduced shank with 3-flats for handheld drill stability.
• Spiral flute design aids chip removal and coolant flow.
• Heavy-duty core adds strength and reduces breakage.
• 135° self-centering split point for accurate starts.
• Black and Gold surface finish enhances cutting performance.
• Uniform 6″ overall length across the series.

Benefits:

• Drills large holes using standard 1/2″ drill chucks.
• Reduces downtime with easier tool changes and consistent sizing.
• Improves accuracy and efficiency when drilling metal surfaces.
• Offers extended tool life and increased productivity.

Technical Specifications:

• Model: 1000A228
• Drill Diameter: 1-7/16″
• Shank Size: 1/2″ with 3-flats
• Point Angle: 135° split point
• Surface Finish: Black and Gold
• Flute Type: Spiral
• Overall Length: 6″
• Material Compatibility: Low to medium tensile strength metals
• Origin: Made in USA