Drillco 1-7/16" S&D Drill, 1/2" Shank (1000A228)
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.
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.
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:
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
Product identification
- Brand: Drillco
- Model / MPN: 1000A228
