SUMAKE ST-4468

The SDS plus-7 Drill Bit performs precision-drilling in reinforced concrete. Its full carbide head with 5 cutters is fused with IDS welding technology to drill with a very high level of accuracy. A vi more→bration-reduced power transfer from the rotary hammer to the full carbide head is provided by the 2 + 2 flute design, which is made of high-alloy steel and created using optimised hardening technology. This offers the stability necessary for exact results. To prevent wandering and obtain a precise hole diameter, the Activeteq centring tip guides the drill position from the start. The bit is intended for use on masonry, concrete and reinforced concrete. To achieve accurate results, the visibility …

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The Dormer A777 drill bits are designed for both professional and industrial use, offering reliable performance in high-stress environments. The 135° split point design reduces walking and ensures more→precise drilling, while the HSS-E cobalt construction extends tool life and maintains sharpness longer, even at high temperatures. Constructed from high-speed steel with 8% cobalt, these drill bits offer exceptional hardness, heat resistance, and wear resistance, making them ideal for demanding applications. Features & Benefits • High speed cobalt steel • Standard spiral flute design • DIN338 • Bronze finish • NAS907J • Right hand rotation/cutting • 135° point …