10Pcs Center Drill Set | A - Type Stainless Steel for Bench Drills/Milling Machines | High - Speed Steel 2.5mm Drill Bit with Heat - Tolerant Design | Industrial Supplies
10Pcs Center Drill Set | A - Type Stainless Steel for Bench Drills/Milling Machines | High - Speed Steel 2.5mm Drill Bit with Heat - Tolerant Design | Industrial Supplies
Trusted High-Speed Steel - Center drill set is crafted from hardened steel with HRC62+ hardness, ensuring 3X longer lifespan than standard carbon steel bits. Ideal for machining centers and robust metalworking.
Consistent 60° Tip Angle - 2.5mm centering drill features adjusted point geometry that maintains ±0.01mm accuracy, minimizing workpiece slippage during bench drill or CNC operations.
Optimized Chip Flutes - Enlarged spiral grooves accelerate chip removal by 40% during high-speed drilling (up to 3000 RPM), reducing heat buildup in aluminum/steel materials.
Industrial-Strength Performance - Special heat treatment process enhances toughness, withstanding 600°F continuous use - suitable for automotive parts and machinery maintenance.
Complete 10-Piece Kit - Includes multiple A-type drill sizes (2.5mm shank) for versatile hole starting applications, packaged in sturdy case for workshop organization.