Dormer P721 Ball Nosed Cone Carbide Burr

DORMER

This Dormer P721 Ball Nosed Cone Carbide Burr features a 9.6mm diameter cut with a 30mm cut length, offering an excellent balance between precision and material removal capacity for steel and cast steel machining. This mid-range variant is particularly versatile, suited to both detailed finishing work and broader hole enlargement applications in professional and DIY metalworking settings. The ball-nosed cone shape provides superior access to narrow angles and confined spaces whilst achieving smooth, professional surface finishes. Built with a solid carbide tip and toughened steel shank, this burr ensures reliable, long-lasting performance across demanding machining tasks. The ST single cut flute style incorporates chip-breakers and medium-spaced edges for efficient material removal with minimal clogging. With a 6mm shank diameter and 77mm overall length, this variant delivers excellent versatility and reach for a comprehensive range of metalworking applications in ferrous materials. Features and Benefits: • Solid carbide construction for exceptional hardness • Ball-nosed cone shape for contoured work • Steel cut geometry optimised for steel applications • Single cut flute with chip-breakers prevents clogging • Bright (uncoated) finish Specifications: Diameter Cut: 12.7mm Length Cut: 32mm Shank Diameter: 6mm Shank: Cylindrical shank Overall Length: 77mm Burr Type Code: Steel Cut Geometry Material Code: Solid Carbide Coating: Bright Burr Shape: L - Ball Nosed Cone Shape Material Application Priority Usage: P - Steel and cast steel