M35 Step Drill Bit Set,1/8" to 7/8" 25-Steps, Cobalt Bits, Heavy Duty for Stainless Steel, Hard Steel, Aluminum, Wood,2pcs.Co35A2_Co35A3

OXMUL M35 Cobalt Step Drill Bit Set - Professional 25-Step Metal Drilling Solution Industrial-Grade Metal Drilling Power (2-Piece Set) The OXMUL Co35A2_Co35A3 M35 Cobalt Step Drill Bit Set is engineered for professionals who demand maximum durability and performance. This complete set features: 25 total steps covering 1/8" to 7/8" hole sizes M35 Cobalt Steel Construction with 8X longer lifespan than standard bits 3X faster drilling speed through stainless steel and hardened metals Premium storage case included for protection and organization Heavy-Duty Construction & Precision Engineering ✔ M35 Cobalt High-Speed Steel - 8% cobalt content for extreme heat resistance (1200°F+) ✔ Dual Shank System: 3/8" Tri-Flat Shank - Eliminates chuck slippage under heavy load 1/4" Hex Shank - Compatible with impact drivers for quick changes ✔ 2-Spiral Flute Design - Superior chip evacuation for cleaner cuts ✔ Precision-Ground Cutting Edges - Maintain sharpness through hundreds of holes ✔ Set Includes: Short Bit: 1/8"-1/2" (13 steps) - 4.75" length Long Bit: 3/16"-7/8" (12 steps) - 6.5" length Professional Applications & Usage Instructions Where This Set Excels: Automotive Repair: Drilling exhaust systems, brake components, and chassis Metal Fabrication: Working with stainless steel, aluminum, and galvanized steel Industrial Maintenance: Hydraulic systems, heavy equipment repairs HVAC/Plumbing: Ductwork, copper tubing, and pipe fittings Pro Usage Guide: 1. For Hardened Steel/Stainless: Use 200-400 RPM with cutting oil Apply firm, consistent pressure For Aluminum/Soft Metals: 600-1000 RPM for optimal finish Clear chips frequently Always: Secure workpiece properly Wear ANSI-approved safety glasses Start with pilot hole for precision Why Professionals Trust OXMUL "This isn't your average drill bit set - it's the professional's choice for heavy metal drilling. The M35 cobalt construction laughs at materials that destroy ordinary bits, while the spiral flute design keeps your work area clear of dangerous metal chips. The included case means your investment stays protected job after job." Key Advantages: 120-Day Satisfaction Guarantee - Try it risk-free German Engineering Quality - Precision manufacturing Complete Size Range - Eliminates need for multiple bits Technical Requirements: Minimum 800W power tool recommended Not for use on plexiglass or ceramics Drill press recommended for precision work

• 【Heavy Duty】 The M35 Cobalt Drill Bits can drill 8X longer life and 3X faster. This Drill bits is heavy duty for Stainless Steel, Hard Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. This step bit is tough,sharp and can drill many holes on hard metal like a Work Horse!
• 【M35 Cobalt Steel】 Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter!
• [Total 25 Steps︱A Case] from 1/8" to 1/2", 3/16"to 7/8". Two drill bits in A PACKING CASE
• 【A Work Horse】This spiral shaped step bit is a work horse. Easily drilled through the steel platform of your zero-turn mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet
• [1/4" Hex Shank︱3/8"Tri-Flatted Shank︱2-Spiral-Flute] Fits into power tools chuck securely and eliminates slip.2-Spiral-Flute:Clears Chips faster