COBALT BIT / HEAVY DUTY for SS / 7/8" 【Heavy Duty for Stainless Steel】 The Cobalt Drill Bits(1.3243 STEEL) can drill 6X longer life and 2X faster. This Drill bits is heavy duty for Stainless Steel, 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! 【Cobalt Bits】 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 【13 Steps︱2-Straight-Flute︱1/4 Inch Shank】 13-STEPS: 1/8,5/32,3/16,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32 to 1/2 inches. 2-Straight Flute:Clears Chips faster 【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 Industrial-Grade Cobalt Step Drill Bit for Extreme Metal Drilling
The OXMUL #201 Cobalt Step Drill Bit (3/16" to 7/8") is a professional-grade powerhouse engineered to conquer stainless steel, hardened metals, and tough alloys. Featuring M35-grade cobalt steel (1.3243) with TiAlN coating, this 12-step monster delivers 6X longer lifespan and 2X faster drilling than standard bits. Built for mechanics, welders, and metal fabricators, it's the ultimate solution when ordinary bits fail. Battle-Ready Construction - Built for Abuse
M35 Cobalt Steel (1.3243 Grade) - 5% cobalt content provides extreme hardness and heat resistance (up to 1100°F)
TiAlN Coating - Advanced titanium aluminum nitride coating reduces friction and triples tool life
3/8" Tri-Flatted Shank - Eliminates chuck slippage even at maximum torque settings
2-Spiral Flute Design - Superior chip evacuation prevents clogging in deep cuts
12 Precision Steps (3/16" to 7/8") - Covers every common hole size needed in metal fabrication
Where Professionals Use It - Real World Applications
✔ Automotive Shops - Drilling exhaust systems, brake rotors, and suspension components
✔ Metal Fabrication - Perfect for stainless steel countertops, aluminum trailers, and steel frames
✔ Industrial Maintenance - Essential for hydraulic repairs, conveyor systems, and heavy equipment
Pro Usage Instructions:
Rigid Setup is Mandatory - Use drill press or mag drill for best results
Speed Matters - 300-500 RPM for stainless, 800-1200 RPM for aluminum
Flood Coolant Recommended - Use sulfurized oil for stainless steel
Peck Drilling Technique - Retract frequently to clear chips
The Last Step Bit You'll Ever Buy
This isn't just another drill bit - it's a German-engineered metal destruction tool. The OXMUL #201 combines aerospace-grade materials with precision manufacturing to create what professionals demand: A bit that outlasts the job. When your paycheck depends on getting through stainless all day, this is the only bit that won't let you down.
WARNING: Ordinary drills may not handle this bit's performance - recommend 1/2"+
WARNING: Keep away from amateurs - professional results require professional tools
The OXMUL #201 Cobalt Step Drill Bit (3/16" to 7/8") is a professional-grade powerhouse engineered to conquer stainless steel, hardened metals, and tough alloys. Featuring M35-grade cobalt steel (1.3243) with TiAlN coating, this 12-step monster delivers 6X longer lifespan and 2X faster drilling than standard bits. Built for mechanics, welders, and metal fabricators, it's the ultimate solution when ordinary bits fail. Battle-Ready Construction - Built for Abuse
M35 Cobalt Steel (1.3243 Grade) - 5% cobalt content provides extreme hardness and heat resistance (up to 1100°F)
TiAlN Coating - Advanced titanium aluminum nitride coating reduces friction and triples tool life
3/8" Tri-Flatted Shank - Eliminates chuck slippage even at maximum torque settings
2-Spiral Flute Design - Superior chip evacuation prevents clogging in deep cuts
12 Precision Steps (3/16" to 7/8") - Covers every common hole size needed in metal fabrication
Where Professionals Use It - Real World Applications
✔ Automotive Shops - Drilling exhaust systems, brake rotors, and suspension components
✔ Metal Fabrication - Perfect for stainless steel countertops, aluminum trailers, and steel frames
✔ Industrial Maintenance - Essential for hydraulic repairs, conveyor systems, and heavy equipment
Pro Usage Instructions:
Rigid Setup is Mandatory - Use drill press or mag drill for best results
Speed Matters - 300-500 RPM for stainless, 800-1200 RPM for aluminum
Flood Coolant Recommended - Use sulfurized oil for stainless steel
Peck Drilling Technique - Retract frequently to clear chips
The Last Step Bit You'll Ever Buy
This isn't just another drill bit - it's a German-engineered metal destruction tool. The OXMUL #201 combines aerospace-grade materials with precision manufacturing to create what professionals demand: A bit that outlasts the job. When your paycheck depends on getting through stainless all day, this is the only bit that won't let you down.
WARNING: Ordinary drills may not handle this bit's performance - recommend 1/2"+
WARNING: Keep away from amateurs - professional results require professional tools