CEFEPH 3-Piece HSS Drill Bit Set Hex Shank Cutting Cone Drill Bit for Stainless Steel Metal Wood Plastic 4-12/4-20/4-32 mm

• Material: high speed steel.
• Type: 10-45 mm (10.15.20.25.30.35.40.45 mm).
• Shaft: 25 x 12 mm.
• Total size: 45 x 100 mm
• Widely used to cut holes in a variety of materials such as steel, wood, thin iron, aluminum alloy, insulation boards, PVC film, ect

Specifications: Material: HSS. Surface treatment: Titanium coated. Shank Size: 1/4 inch hexagonal shank. Quantity: 3 pieces. Total length: 4-12 mm, length: Approx. 68 mm / 2.64 inches. 4-20 mm. Length: Approx. 73 mm / 2.91 inches. 4-32 mm, length: Approx. 102 mm / 4.02 inches. The 3 cutters come in the following sizes: 4-32 mm: 15 steps (4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 24 mm, 26 mm, 28 mm, 30 mm, 32 mm). 4-20 mm: In 9 steps (4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm). 4-12 mm: 5 steps (4 mm, 6 mm, 8 mm, 10 mm, 12 mm). Features: This is the new HSS steel large step cone drill bit set titanium hole cutter, which is made of high-quality HSS steel, and coated with titanium to reduce friction and heat. Two flute design ensures faster, smoother and cleaner cuts each step is clearly labelled with the depth gauge in steps. It is very suitable for use to cut holes in a variety of materials such as steel, brass, wood, plastic etc. Comes with a storage bag. Box contents: 1 x set (3 pieces) HSS step drill