HSS high speed steel For Higher Heat Abrasion Resistance, Heavy Duty Web Construction For Strength Durability, For Metal Drilling, Including Heavy Duty Abrasive, Alloy Metal Drilling On Steel, Cast Iron Wood, Packed in plastic box with label.Features:

– Straight Round Shank fits most drill chuck.- High Quality Material- High Speed Steel Material.- High Efficiency In Drilling MetalsWood.- Split-point tip starts drilling immediately with less force and eliminates walking across the work surface.- Fine grinding edge belt, quick cahip removal.- Universal round handle design, not easy to slip.- Scope of application: wood, plastic, soft metal, iron sheet, aluminum alloy, etc.Specifications:

Material: High-speed steelSizes: 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10mmSurface treatment: Titanium Coated (anti-oxidation, more wearable.)Package included:

1 Set Twist Drill(19pcs)

Note:

When used on thin materials, due to the small resistance, the sawtooth part can be sawed directly to form the shape.When used on thick materials, due to the large resistance, the sawtooth part needs to move up and down to saw the shape.

Detail Pictures: