Center Drill Countersink Pilot Bits Set, HSS Metalworking Drill Bit Kit

Upgrade your drilling precision with the durable and efficient 7PCS Center Drill Countersink Pilot Bits Set 60-Degree Angle Metalworking Tools. Designed for professionals and DIYers alike, this high-performance kit is crafted to handle demanding tasks in metalworking, fabrication, and general workshop applications.


Diverse Tip Diameters for Every Job
This comprehensive set includes seven pilot drill bits in various tip diameters: 1/2", 5/32", 1/4", 1/8", 3/8", 3/16", and 5/16". Whether you're preparing pilot holes for threading or performing precise countersinking, this selection ensures you're ready for a wide range of applications.

Built from High-Speed Steel for Long-Lasting Use
Each bit is made from premium 6542 High-Speed Steel (HSS)—renowned for its toughness, wear resistance, and ability to maintain sharpness even under extreme conditions. Perfect for repetitive tasks across steel, aluminum, copper, brass, and iron.

Precision-Cut 60-Degree Blade Angles
The engineered 60-degree angle on each drill ensures pinpoint accuracy for starting holes, significantly reducing walking or misalignment. Ideal for creating clean, exact entry points, especially when drilling into tough metals.

Versatile Metalworking Applications
Whether you're working on sheet metal, machinery, or crafting parts, this center drill bit set delivers dependable results. It’s an essential tool for machinists, auto technicians, hobbyists, and metal fabricators.

Convenient and Organized Kit
Compact and portable, the set is ideal for carrying between job sites or organizing in a toolbox. Stay productive and efficient with the right bit at your fingertips.

Key Benefits:

• Supports a range of materials: Aluminum, Brass, Iron, Steel, Copper

• 7PCS variety set suitable for professional and DIY use

• Ideal for pilot hole drilling, countersinking, and machining tasks

• Maintains high precision with reduced bit slippage

• Compatible with most handheld drills and drill presses