Set of 26 countersink drill bits, drilling tools for woodworking, including 8 dowel drill bits, a three-point drill bit with L-shaped wrench, 6 countersink drill bits and a 3-step drill bit for woodwo

Description: This drill bit is made of carbon steel and is characterized by high hardness, excellent cutting performance, and good resharpening resistance. It is used for drilling holes in wooden doors and windows. It can also be used for cutting wooden dowels. Drill bit material: Carbon steel 45#. Shank: 3/8" (10 mm). Round shank diameter: 9.3 mm. Sizes: 5/8" (15.8 mm wooden dowel), 1/2" (12.7 mm wooden dowel), 3/8" (9.5 mm wooden dowel), 1/4" (6.3 mm wooden dowel). Cuts decorative dowels up to 22 mm/23 mm/25 mm/26 mm in length. 7 countersink bits for woodworking: Material: High-speed steel. Sizes: 3 mm (diameter) x 60 mm (length), 4 mm (diameter) x 75 mm (length), 5 mm (diameter) x 85 mm (length), 6 mm (diameter) x 93 mm (length), 7 mm (diameter) x 10 mm (length), 8 mm (diameter) x 11 mm (length), 10 mm (diameter) x 12 mm (length) mm (length). 6 pieces 5 countersink drill bits: Material: High-speed steel (HSS) Surface treatment: Titanium coating Cutting edge: 90 degrees Handle diameter: 1/4" hex shank Sizes: 6 mm (1/4"), 8 mm (5/16"), 9 mm (3/8"), 12 mm (1/2"), 16 mm (5/8") and 19 mm (3/4") 3-piece HSS step drill bit set: Material: High-quality titanium-coated steel Sizes: 4-32 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 24 mm, 26 mm, 4 in, 1,102 mm, 30 mm, 32 mm) 4-20 mm (4 mm, 6 mm, 8 mm, 10 mm, 12mm, 14mm, 16mm, 18mm, 20mm) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)