Dormer Pramet A520 3.90 mm HSS TiN ADX STRAIGHT SHANK STUB DRILL DIN 1897 Integral Holders Maintain a consistent speed and

Maintain a consistent speed and gentle pressure

Wide material compatibility for versatile use: Delivers reliable performance in stainless steel

and finishing tasks in demanding mold‑and‑die work

The uncoated surface means you can tailor lubrication to your process

5 provides a stronger cutting edge and cleaner finishes

Dormer Pramet A520 3.90 mm HSS TiN ADX STRAIGHT SHANK STUB DRILL DIN 1897 Integral Holders Maintain a consistent speed andThe Dormer Pramet A520 3. 90 mm HSS TiN ADX Straight Shank Stub Drill (DIN 1897) is a compact, high performance drill designed for precise metalwork. Sized at 3. 90 mm, it fits standard chucks and is ideal for engineers, buyers, tradespeople, hobbyists, and anyone needing clean, accurate holes in steel, aluminium, and stainless steel. Its 130 degree thinned point helps self centre entry and reduces the push force required to start the hole. Equipped