Halls XCM High Speed Steel Countersink 10.4mm

About this tool

The Halls XCM High Speed Steel Countersink in 10.4mm size is designed for medium to large countersunk fasteners, making it ideal for structural metalwork, machinery assembly, and heavy-duty fabrication projects. This size accommodates M6 and some M8 countersunk screws, providing excellent versatility for professional tradespeople. Manufactured from high speed steel with a precision-ground 3-flute design, this 10.4mm countersink delivers consistently smooth chamfers across various metal types. The 90° included angle ensures proper seating for standard countersunk fasteners, whilst the robust construction withstands the demands of daily professional use. The 1/4in hexagon shank provides secure power tool engagement, allowing you to work efficiently on steel plates, chassis components, and structural assemblies where reliable countersinking is essential for flush-fitting fasteners. Features and Benefits: • 10.4mm cutting diameter for M6 and M8 fasteners • High speed steel construction for extended tool life • 3-flute design ensures smooth cutting and chip removal • 90° angle matches standard countersunk specifications • 1/4in hex shank for universal power tool compatibility • Ideal for structural and heavy-duty metalwork Specifications: Countersink Type: Countersink Size (mm): 10.4

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.