1/3Pcs Industrial Grade M35 Cobalt Steel Pagoda Step Drill Bit, Straight Groove Trapezoidal Reaming Drill for Stainless Steel Iron Aluminum Plate(15 Steps)

1/3Pcs Industrial Grade M35 Cobalt Steel Pagoda Step Drill Bit, Straight Groove Trapezoidal Reaming Drill for Stainless Steel Iron Aluminum Plate(15 Steps)

• Industrial-Grade M35 Cobalt Steel ConstructionCrafted from high-quality M35 high-speed steel and cobalt steel alloy, this pagoda step drill bit boasts exceptional hardness, wear resistance and heat resistance. It’s built for heavy-duty metal drilling, ensuring long service life and stable performance in industrial applications.
• Clear Application Scope & Prohibited MaterialsIdeal for processing 5mm iron plates, aluminum plates, steel plates and 3mm stainless steel. Strictly prohibited for drilling glass, ceramic tiles, stone, cement and other non-metallic hard materials — misuse may damage the bit or cause safety hazards.
• Straight Groove Design for Superior PerformanceFeatures a straight groove structure that enables free chip discharge, prevents metal chip splashing, and ensures non-slip drilling. The trapezoidal step design enhances clamping stability, making the bit more durable and efficient for step-by-step reaming.
• Critical Usage Conditions & Safety Guidelines Operate at a speed ≤800r/min with a tool power ≥800W for optimal results. If the bit gets stuck during processing, stop immediately to remove it (avoid handle breakage) and check if the tool torque is sufficient. For each step, if processing time exceeds 30 seconds, verify proper operation to prevent overheating or bit damage.
• Flexible Package Options for Diverse Needs
• Available in 1pc or 3pcs package sets, suitable for professional industrial metal fabrication, mechanical maintenance, and heavy-duty metal drilling projects. Compatible with most electric drills and drilling machines that meet the power and speed requirements.