Heller Tools' ProXtreme 28659 6 is a carbide metal concrete twist drill bit featuring a 10 mm diameter and a total length of 250 mm with a triangular shank. It is designed for drilling into masonry, brickwork, and stone. This versatile tool is ideal for both professional and DIY construction projects. https://elecena.pl/product/28930143/heller-28659-proxtreme-concrete-drill-bit-10mm-250mm-triangular-shank 2025-06-10 https://elecena.pl/product/28930143/heller-28659-proxtreme-concrete-drill-bit-10mm-250mm-triangular-shank 2026-07-11