Description The Ronix 5% Cobalt HSS Drill Bit series is engineered for strength, precision, and durability. Made from M35 high-speed steel with 5% cobalt, these drill bits are hardened to 65–67 HRC, ensuring superior sharpness, excellent heat resistance, and long-lasting performance. Each bit features a precision-ground cutting edge for clean hole creation and a bright rust-proof finish for smooth operation in general-purpose drilling. The round straight shank design ensures compatibility with all standard power tools, while the extensive size options make this lineup the go-to choice for professionals and DIY users. Perfect for drilling wood, metal, and plastics, the Ronix 5% Cobalt HSS series is available in 5mm, 8mm, 10mm, 12mm, and 13mm diameters, covering a wide range of applications from workshops to heavy-duty job sites. Features M35 High-Speed Steel with 5% cobalt for maximum hardness and durability Heat and wear resistance for extended service life Sharpened cutting edge ensures smooth and accurate drilling Bright finish provides rust resistance and a smooth surface Round straight shank fits all power tools easily Available in 5mm, 8mm, 10mm, 12mm, and 13mm sizes Manufactured to DIN 338 standards Specification RH-5512 (5mm) Length: 86mm Diameter: 5.0mm Weight: 9g Material: M35 Hardness: 65–67 HRC Standard: DIN 338 Supplied in: Blister card RH-5518 (8mm) Length: 117mm Diameter: 8.0mm Weight: 31g Material: M35 Hardness: 65–67 HRC Standard: DIN 338 Supplied in: Blister card RH-5522 (10mm) Length: 133mm Diameter: 10.0mm Weight: 53g Material: M35 Hardness: 65–67 HRC Standard: DIN 338 Supplied in: Blister card RH-5526 (12mm) Length: 151mm Diameter: 12.0mm Weight: 94g Material: M35 Hardness: 65–67 HRC Standard: DIN 338 Supplied in: Blister card RH-5528 (13mm) Length: 151mm Diameter: 13.0mm Weight: 127g Material: M35 Hardness: 65–67 HRC Standard: DIN 338 Supplied in: Blister card Catalogue Links Download Catalogue – RH-5512 (5mm) Download Catalogue – RH-5518 (8mm) Download Catalogue – RH-5522 (10mm) Download Catalogue – RH-5526 (12mm) Download Catalogue – RH-5528 (13mm)
