The advantage of Specialist+ Quattro drill bits is its 4-layer hard metal made of solid extra strong metal alloy. It allows to ensure a flawless drilling quality on even hard reinforced concrete. The uniquely-shaped coil guarantees efficient dust removal and very rigid drill bit structure, and prevents breaking of drill bits.
Manufacturer: Specialist+ | Diameter, mm: 24 | Working Length, mm: 400 | Overall length, mm: 520 | Shank / chuck type: SDS MAX