Hilti DD-BI 14/320 PL 14mm x 320mm Diamond Core Drill Bit High End 2015352 x10. Diamond Core Drill Bit. Hilti DD-BI / X-Change Compatible System. Concrete, Masonry & Mineral Materials. New & Unused Surplus Stock. Genuine Hilti DD-BI 14/320 PL diamond core drill bits. Hilti part number 2015352. 14mm core drilling diameter. Professional high-end diamond core drilling tool. Designed for drilling clean, accurate holes in suitable concrete and masonry materials. Diamond cutting segments provide efficient drilling performance. Suitable for professional construction, installation and engineering applications. Ideal for drilling small-diameter holes where precision is required. Supplied as a quantity of 10 drill bits. The Hilti DD-BI range is designed for professional diamond core drilling applications. This listing is for the DD-BI 14/320 PL specification, providing a 14mm drilling diameter and 320mm overall length. The tooling is intended for use with compatible Hilti diamond coring systems and suitable mineral-based construction materials. Please check your machine, connection system and application requirements before use. New and unused surplus stock. Superficial marks may be present but performance remains unaffected. New and unused surplus stock – please see photographs for the exact condition and contents. Item location: LS10 4EP. We are not VAT registered. VAT invoices are not available.