Features:
Crafted from M35 cobalt high speed steel with coating , this step drill bit effortlessly penetrates hard metals, stainless steel, aluminum, and plastic, offering precisions steps for seamless hole drilling and expansion in one tool.
Its twist flute design enhances chip removal and reduces friction, while the 6.35mm hex shank ensures compatibility with drills, impact drivers, and press machines for vibration operation.
Designed for metalworkers , DIY enthusiasts , and professionals requiring reliable performances on hard materials like alloy steel or dense wood during fabrication or repairs.
Ideal for automotive workshops , home renovations, and industrial projects where clean, burr holes are critical for installing pipes, electrical conduits, or custom fixtures.
The coated cobalt step drill resheathes heat buildup and maintains sharpness even under prolonged use, making it a durable upgrades over standard HSS bits for demanding applications.
Specifications:
Material: Metal
Color: As pictures shown.
Optional Step Size: 4-12mm, 4-20mm, 4-22mm, 4-32mm
Size: As pictures shown.
Quantity: 1pc
Package Includes:
1pc Step Drill Bit
note:
1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.
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