Annular Cutter Set 13pcs, Mag Drill Bits 7/16-1-1/16", 2" Depth, M2AL HSS, Weldon Shank, with Pilot Pins & Case for Steel Drilling

【Durable M2AL HSS】: Crafted from premium M2AL high-speed steel; exhibits exceptional wear resistance and maintains cutting performance under high temperatures; designed for extended lifespan and reliability during demanding applications. 【Efficient Chip Removal】: Features a large capacity circular groove and innovative blade design for rapid chip ejection; prevents jamming and minimizes resistance; ensures smooth, faster cutting and reduced energy consumption. 【Comprehensive Kit】: Includes 11 Weldon shank annular cutters (7/16", 1/2", 9/16", 11/16", 5/8", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16"), a hex wrench, and two pilot pins (4.74mmx102mm & 6.34mmx103mm) for complete functionality. 【Portable & Organized】: Comes with a robust portable case with a comfortable handle; custom foam interior securely holds each cutter, preventing damage during transportation and facilitating easy organization; convenient for on-site work. 【Wide Application】: Suitable for a variety of materials including structural steel, alloy steel, stainless steel, aluminum, brass, and cast iron; ideal for steel structures, shipbuilding, railway construction, and mechanical manufacturing; compatible with most major machinery brands.