3/16 in. cobalt twist drill bit

Milwaukee’s RED HELIX cobalt twist bit is engineered for hard metals, delivering longer life and faster holes. A variable 35°–15° helix, Quad Edge tip, and thicker tapered web enhance strength, chip removal, and precision in steel, stainless, and more.

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Key Features:

• Long-Life Cobalt Construction: Up to 15x life vs. black oxide bits in hard metal applications
• Quad Edge Split Point: Reduces heat and walking for faster, accurate starts
• Variable Helix Flutes: 35°–15° design accelerates chip evacuation for quicker drilling
• Thicker Tapered Web: Reinforces core for durability under heavy loads
• 3-Flat Secure-Grip Shank: Prevents bit slipping in the chuck for consistent performance

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Specifications Table:

Specification	Details
Bit Diameter	3/16 in
Bit Length	3.5 in
Drilling Depth	2.3125 in
Bit Material	Cobalt
Drill Bit Type	Twist
Drill Bit Type(s) Included	Twist
Shank Style	Straight, 3-Flat Secure-Grip
Shank Diameter	3/8 in
Individual/Set	Individual
Number of Pieces	1
Pack Size	1
Material Application	Aluminum, Cast Iron, Duct/Sheet Metal, Stainless Steel, Steel; also PVC and Wood
Point Type	135° split point
Tools Product Type	Power Tool Accessory
Item Weight	0.03 lb

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Frequently Asked Questions (FAQ):

Q: What materials can this bit drill?
A: Designed for hard metals including steel and stainless steel, plus cast iron, duct/sheet metal, aluminum, PVC, wood, and more.

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Q: What is the bit size and length?
A: Bit diameter is 3/16 in. with an overall length of 3.5 in.

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Q: What shank type does it use?
A: Straight shank with 3-flat Secure-Grip to reduce chuck slippage.

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Q: Can I use it in a standard drill/driver?
A: Yes, it fits all common drill/drivers with standard chucks.

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Q: How does it start holes accurately?
A: A 135° split point helps prevent walking and improves precision starts.

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Industrial Precision with Enduring Edge

This sleek cobalt bit brings a refined, industrial confidence to the workshop, punching crisp holes through stainless like a sculptor’s chisel. Its variable helix spirals feel almost architectural—purposeful and fast. Style it in a magnetic bit rail beside brushed steel tools for a clean, elevated bench vignette. A staple for any luxury-level toolkit, it marries performance with polished restraint.

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Drill cleaner, faster holes in hard metals—add this Milwaukee 3/16 in. cobalt bit to your cart now.

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