Dormer Pramet A777 4.30 mm HSS-E STRAIGHT SHANK JOBBER DRILL DIN 338

The Dormer Pramet A777 4.30 mm HSS-E Straight Shank Jobber Drill (DIN 338) is a durable drilling tool designed for precise, reliable hole formation in a wide range of metals. The 4.30 mm diameter, straight shank, and DIN 338 specification ensure compatibility with standard chucks and fixtures for easy setup and consistent results.

Designed for engineers, machinists, tradespeople, hobbyists and professionals who need dependable performance on steel, aluminium and stainless steel, this drill combines a robust design with features that boost starting accuracy and finish quality.

• Self-centering 135° split point: Facilitates accurate starting and reduces the push force required when entering the material, helping you begin holes cleanly with less effort.
• Bronze oxide finish: Helps prevent workpiece material from sticking to the cutting edge and promotes smoother chip flow for cleaner, more consistent cuts.
• Premium HSCO material for versatile drilling: Enables drilling across a broad range of materials including steel, aluminium, and stainless steel, delivering durable performance in demanding applications.

With the A777 4.30 mm drill, you gain reliable hole quality and quicker setup across projects. The 135° split point reduces wandering at start, the bronze oxide finish minimizes built-up edges and sticking, and the HSCO body handles steel, aluminium and stainless steel with consistent wear resistance. The heavy-duty design supports difficult materials and demanding applications, helping you finish tasks faster and with fewer bit changes. This makes it a versatile, go-to choice for workshops, fabrication shops, and DIY setups alike.