The FAMAG 3572 HSS drill bit and countersink set combines precise drilling and countersinking in softwoods in a single operation. Designed for quick bit-holder changes, this set streamlines woodworking tasks by integrating a fully ground brad point drill bit with a 90° countersink in one tool. 🔩 Key Features Brad-point HSS drill bit with two main cutting edges and two taper taps Hexagonal shank (1/4″; C 6.3) for secure, fast-change bit-holder mounting Integrated 90° countersink (alloyed tool steel, product line F2100) Optimized for softwood drilling and countersinking in one pass Tool Material: HSS for drill bit; alloyed tool steel for countersink Recommended Speed: 1 500 – 2 200 rpm (approx. 1 800 rpm in softwood) 📐 Technical Specifications Drill Ø (IØ) Shank Overall Length (GL) Cutting Length (NL) 3 mm C 6.3 75 mm 25 mm 4 mm C 6.3 75 mm 25 mm 5 mm C 6.3 86 mm 36 mm 6 mm C 6.3 93 mm 43 mm 8 mm C 6.3 117 mm 67 mm 10 mm C 6.3 133 mm 83 mm 🎯 Benefits Efficiency: Combine pre-drilling and countersinking to save time Versatility: Ideal for cabinetry, furniture making, and general softwood applications Precision: Depth-stop collar ensures uniform countersink depth every time Durability: High-speed steel and alloyed countersink resist wear during repetitive use For hardwoods, switch to FAMAG’s brad point bits (product line F1594, HSS-G) and Vario countersinks (product line F2202).