This 12 x 400 x 450mm Bionic Pro SDS-plus hammer bit from Heller has rounded cutting edges and an innovative spiral design which provides efficient removal of drilling dust. * Suitable for masonry, stone, concrete * Stabilised head geometry for impressive robustness upon reinforcement impacts * Strengthened carbide geometry with double centering point * Two-point centering area for optimal power distribution * Computer calculated Twinmax-3D spiral with changing flute widths * Optimised head geometry with large carbide tip angle https://elecena.pl/product/27747451/heller-15969-2-2018-bionic-pro-sds-plus-hammer-bit-12-x-400-x-450mm-single 2025-01-23 https://elecena.pl/product/27747451/heller-15969-2-2018-bionic-pro-sds-plus-hammer-bit-12-x-400-x-450mm-single 2026-07-11