Features: HSS-CO M35 Spiral Grooved Step Drill Bit Cutting Tool Set
Made by HSS-Co, Heat Treatment, High Hardness, High Abrasion Resistance, High Toughness, High Bending Strength, Perfect for Cutting Stainless Steel, Better Than Regular Step Drills.
Cobalt plated to reduce mitts and run cooler
Deburring holes automatically when drilling
Unique step construction allows you to drill holes in various sizes and make perfect holes easy.
This is a step drill with a box. Very convenient.
No need for an auxiliary center punch, more stable than a regular hemp flower drill, not easy to break.
Suitable for mounting to pistol drills and bench drills, applicable to cutting harder workpieces, widely used to drill holes in a variety of materials, such as stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture proof board, PVC sheet, etc.
Note: To extend the life of the punch, please add water to cool it. Recommended for revolutions from 250 to 400.
Specifications: Material: HSS-Co (HSS M35, 5% cobalt).
Handle Type: Hex Handle
Handle Diameter: 1/4" (6.35mm)
Model Number of Steps: Blade Length Handle Length Step Diameter
0.1 - 0.5 inches (3 - 12 mm), 9 Tiers, 2.0 inches (50 mm), 1.2 inches (31 mm), 0.2 - 0.2 inches (3-4-5-6-7-8-9-10-12
0.2 - 0.9 inches (4 - 22 mm), 10 Tiers, 2.0 inches (50 mm), 1.2 inches (31 mm), 0.4 - 0.4 - 0.4 inches (4 - 6 - 8 - 10 - 12 - 14 - 16 - 18 -
0.2 - 0.9 inches (6 - 24 mm), 11 Tiers, 2.2 inches (57 mm), 1.2 - 0.4 inches (31 mm), 0.2 - 0.5 inches (6 - 8 - 10 - 12 - 14 - 16 - 18 - 20 - 24 mm)