
Suborui 13PCS HSS Weldon Shank Magnetic Core Drill Bit Annular Cutter Set. Premium M2 High Speed Steel: Constructed from durable M2 HSS for superior cutting performance and longevity. Universal Shank Compatibility: Features Weldon Shank with Fein Shank options available for versatile machine use. Customizable Coatings: Bright finish standard with TiN, TiAlN, and AlCrN coating options available. Comprehensive Size Range: Available in 11mm to 30mm diameters with 25mm to 100mm cutting depths. ISO and CE Certified: Manufactured under ISO9001:2015 standards with CE, RoHS, BSCI, and ICS certifications. Full Customization Service: Offers customization from samples, designs, full customization, and minor modifications. 18 Years Manufacturing Expertise: Backed by nearly two decades of precision engineering and global brand trust. Complete 13-Piece Set: Includes 13 pieces of HSS Weldon Shank Magnetic Core Drill Bits in an aluminum box.