Specifications: Material: High Speed SteelOutside Diameter: 16mmShank Diameter:8mmLength: 68 mmItem weight: 35gPackage informations:Package weight:47g/1.66ozPackage size:80x30x26mm/3.15x1.18x1.02inPlastic box package Features:1.This is a HSS drill bit hole saw.2.High-speed steel can be used in wet and water,and has anti-corrosion effect.3.The central drill adopts twist shape design,which makes the perforation more efficient and fluent.4.Advanced production technology,smooth and complete surface,high hardness,strong fracture resistance.5.Suitable for metal openings with thickness less than 2 mm,such as stainless steel pipe,square pipe,sheet metal,aluminium alloy,iron plate,etc.Descriptions:1.This is a HSS drill bit hole saw,made of high-speed steel,has anti-corrosion effect.2.Used in stainless steel,alloy plate,aluminum door and window processing, hard and thin steel sheet,iron sheet,etc.