Description

Triumph 099101 ThunderBit 29-Piece Set HSS Black & Bronze Oxide 1/16″-1/2″ by 64ths is a versatile drill set designed for professional and industrial metalworking. Each drill features a heavy-duty HSS core with a black and bronze oxide finish, providing superior strength, durability, and corrosion resistance. The set covers sizes from 1/16″ to 1/2″ in 64ths, making it ideal for precision drilling in metal, alloys, and other materials. Unique spiral flutes improve chip ejection and coolant flow, while the 135° split point ensures accurate, walking-free starts. All drills have a 3/8″ reduced shank for easy mounting and optimal performance.

Features:

High-speed steel (HSS) construction for exceptional durability and heat resistance.
Black & bronze oxide finish for enhanced corrosion protection and extended tool life.
29-piece set covers sizes 1/16″ to 1/2″ in 64ths for versatile drilling needs.
Unique spiral flute design improves chip removal and coolant flow.
135° split point prevents walking and ensures precise hole starts.
3/8″ reduced shank for easy and secure mounting in drill chucks.

Benefits:

Drills precise holes in a wide range of metals and materials.
Heavy-duty construction reduces breakage and increases tool life.
Spiral flutes and split point design ensure smooth, accurate drilling.
Complete set reduces the need for multiple individual drills.

Technical Specifications:

Model: 099101
Material: High-Speed Steel (HSS)
Finish: Black & Bronze Oxide
Set Size: 29-piece, 1/16″–1/2″ by 64ths
Shank: 3/8″ reduced
Point Angle: 135° split point
Applications: Precision drilling in metal, alloys, automotive, industrial, and professional projects