The EXACT 05424 Countersink Drill Bit is a precision-engineered metalworking tool designed to deliver clean chamfers and burr-free finishes. Crafted from high-speed steel with cobalt (HSS E), this 84 mm long, 90° angle countersink features a 28 mm head diameter—ideal for demanding fabrication, manufacturing, automotive, aerospace, and repair applications. Rugged, accurate, and built to last, it helps ensure reliable, professional-grade results across a wide range of materials.

Why Choose the EXACT 05424 Countersink Drill Bit?

Choosing the EXACT 05424 brings you superior durability, precision performance, and consistent quality. Manufactured with HSS E, it withstands high temperatures and prolonged use, ensuring minimal wear. Its 90° cutting angle creates smooth, burr-free edges every time, while the 28 mm head diameter offers versatility across various applications. Whether you're working in metal fabrication, precision engineering, or maintenance and repair, this countersink delivers the reliability and finish that professional work demands.

Product Core Features:

• Single piece: 1 unit with HSS E (cobalt-enhanced high-speed steel) construction
• Overall length: 84 mm
• Countersink angle: 90° for clean chamfering
• Head diameter: 28 mm (effectively ~20 mm in some specs)
• Suitable for precise deburring and countersinking in a variety of metals
• Excellent heat resistance and wear durability for repeated use
• Delivers a high-quality burr-free finish with professional consistency.