Drillco 21pc HD Drill Set 1/16-3/8 x 1/64 (400HD21)
Drillco 400HD21 21pc HD Drill Set 1/16-3/8 x 1/64 provides a versatile collection of heavy-duty jobber drills, designed to handle demanding drilling tasks in stainless steel and other tough ferrous materials. Each drill features a 135° split point that reduces thrust requirements and minimizes walking, ensuring precise and efficient drilling. The set covers sizes from 1/16 to 3/8 inch in 1/64 increments, making it ideal for professional and industrial use.
Complete 21-piece set covering sizes from 1/16 to 3/8 inch in 1/64 increments
Heavy-duty construction for reliable performance in demanding applications
135° split point reduces walking and provides cleaner starts
Made from general-purpose HSS for durability
Bell type with 60° chamfer plus additional 120° chamfer for protection
Double-ended design extends tool life
Bright finish for smooth drilling and efficient chip removal
Wide range of sizes for versatile drilling tasks
Enhanced precision and cleaner holes in hard metals
Extended tool life with double-ended design
Reduced effort and smoother drilling due to split point and chamfer design
Technical Specifications:
Set Size Range: 1/16 – 3/8 inch in 1/64 increments
Type: Heavy-Duty Jobber Drill Set
Point Angle: 135° Split Point
Material: General-Purpose High-Speed Steel (HSS)
Chamfer: Bell type with 60° plus 120° protective chamfer
Ends: Double-ended for extended life
Product identification
- Brand: Drillco
- Model / MPN: 400HD21






