24mm HSS Mini Hole Saw Carbide Burr_SA Series this vernier hook depth gauge Insize Parallel Set 75x50x25mm Range Series 6531 25 this vernier hook depth gauge offers exceptional readability ✔ 18mm Cutting Diameter – Ideal for precision machining in various materials ✔ Product: 24mm HSS Mini Hole Saw✔ Material: High speed steel (HSS) for excellent wear resistance and durability✔ Cutting Geometry: Two layer cutting geometry design for fast drilling and minimal vibration✔ Shank Type: Threaded shank with a special tool holder for easy installation✔ Cutting Depth Adjustment: Clam tail bolts with internal hexagonal wrench for adjusting the cutting depth and spring force✔ Pilot Pin: Designed for easy alignment and smooth cutting Crafted from high speed steel (HSS)