Drillco 8pc Impact Cobalt S&D Drill Set 9/16–1" x 1/16" (1000EC8)
Drillco 1000EC8 8pc Impact Cobalt S&D Drill Set (9/16" – 1" by 1/16") is a professional-grade solution for heavy-duty drilling through hardened materials. This premium set from the 1000EC Cobalt Series includes eight of the most commonly used large-diameter bits, each featuring a 1/2" reduced shank to fit standard portable drills. Constructed from high-performance cobalt steel, these drills are designed to provide superior heat resistance, extended tool life, and exceptional performance in demanding environments. Whether you're working with stainless steel, alloy steel, or other hard metals, this set ensures accuracy, durability, and efficiency across a range of applications.
Includes 8 sizes from 9/16" to 1" in 1/16" increments, all with 1/2" reduced shank.
Cobalt steel construction enhances heat resistance and wear durability.
135° split point design minimizes walking and ensures precise starts.
Unique spiral flute pattern improves chip evacuation and coolant flow.
Heavy-duty core increases bit strength and reduces risk of breakage.
Black and Gold surface treatment for increased lubricity and smoother cutting.
Jobber length suitable for general-purpose and production work.
All-in-one set ideal for professionals needing a range of sizes for hard materials.
Minimizes downtime with quick-change compatibility for 1/2" drills.
Resists heat and wear in high-speed or repetitive drilling tasks.
Provides clean, accurate holes even in alloy or stainless steel workpieces.
Technical Specifications:
Included Sizes: 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1"
Material: Cobalt Steel
Shank Size: 1/2" (Reduced)
Point Angle: 135° Split Point
Surface Treatment: Black and Gold
Overall Length: Standard Jobber Length
Series: 1000EC (Cobalt Silver & Deming)
Application: Hard and high-temperature materials
Origin: Made in USA
Product identification
- Brand: Drillco
- Model / MPN: 1000EC8
