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Best Drill Bit For 3 16 Rivet

Tom Woodward

Senior reporter

★★★★★5.0

500+ views

Today

6 min read

Looking for the best drill bit for 3 16 rivet in March 2026? We reviewed 8 popular options from brands like Bosch, Drill, 3/16, amoolo, RCINDUS, 3/16-Inch, Greycore and compared them on the things that matter most: build quality, comfort, ease of use, durability, and overall value. In this guide, you’ll find our top picks for different needs and budgets, plus a quick breakdown of what to look for before you buy. If you want a drill bit for 3 16 rivet that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

Bosch CO2139B 3/16 in. X 3-1/2 in. Cobalt M42 Drill Bit

★★★★★★4.8

Diameter:3/16 inch diameter

Length:3-1/2 inch length

Material/Coating:M42 cobalt alloy

Flute Design:Standard spiral flute

Tip Geometry:135 degree split tip

Max RPM Rating:Up to 4500 RPM

Cobalt M42 bit delivers industrial‑grade durability, heat resistance, and pinpoint rivet holes without wobble for heavy-duty projects.

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Best Value

Drill America - KFD3/16P12 3/16" High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series

★★★★★★4.6

Diameter:3/16 inch diameter

Length:3-1/2 inch length

Material/Coating:HSS steel material

Flute Design:Standard spiral flute

Tip Geometry:135 degree split tip

Max RPM Rating:Up to 4000 RPM

Affordable HSS bit with 135° split point and black‑gold coating prevents walking, perfect for occasional rivet drilling.

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Best Premium

3/16 Inch Drill Bit (3 Pack) Industrial Grade M35 Cobalt Titanium Aluminum Nitrite - 3/16" Diameter & Total Length of 3-1/2" with Working Length of 2-5/16" Easily Drill Into Metal, Steel, & Aluminum

★★★★★★4.7

Diameter:3/16 inch diameter

Length:3-1/2 inch length

Material/Coating:M35 cobalt alloy

Flute Design:TiAIN coated flute

Tip Geometry:135 degree split tip

Max RPM Rating:Up to 4200 RPM

M35 cobalt bits feature TiAIN coating, split point, and rounded shank, delivering long life and precise holes in metal.

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Detailed Reviews

What to Look For Drill Bit For 3 16 Rivet

Diameter

Accurate 3/16‑inch diameter ensures the hole matches the rivet shank, providing a snug fit and preventing loose or split rivets during assembly.

Length

Overall length and shank size determine how deep the bit can reach and how much torque it can transmit, crucial for tight or recessed rivet locations.

Material/Coating

Material such as M42 cobalt, titanium‑nitride or carbide defines wear resistance, heat tolerance, and lifespan, especially when drilling stainless steel, titanium, or hardened alloys.

Flute Design

Flute and helix geometry, including web thickness and pitch, affect chip evacuation, bit stability, and cutting efficiency in dense or abrasive materials.

Tip Geometry

Tip design—split‑point, angle, and center‑drilling capability—keeps the bit from walking, ensures precise start points, and reduces wobble when aligning rivet holes.

Max RPM Rating

Maximum RPM rating indicates safe operating speed; exceeding it can overheat the bit, degrade coating, and shorten lifespan, especially in high‑heat applications.

by Bosch

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

Bosch CO2139B 3/16 in. X 3-1/2 in. Cobalt M42 Drill Bit

BEST OVERALL

Bosch delivers a robust 3/16 inch cobalt bit that handles stainless steel, cast iron and titanium with ease. The M42 alloy gives ten times the life of ordinary steel, while the heat‑resistant tip stays sharp during extended runs. Its job‑length design fits most drills, providing reliable precision for rivet holes without wobble or premature wear in demanding industrial projects and.

Key Specifications

Diameter

✓3/16 inch diameter

Length

✓3-1/2 inch length

Material/Coating

✓M42 cobalt alloy

Flute Design

✓Standard spiral flute

Tip Geometry

✓135 degree split tip

Max RPM Rating

✓Up to 4500 RPM

Reasons to Buy

✓Exceptional durability
✓High heat tolerance
✓Long tool life
✓Precise hole placement

Reasons Not to Buy

✗Higher price point
✗Limited availability

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by Drill

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.6 / 5.0

Drill America - KFD3/16P12 3/16" High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series

BEST VALUE

Drill America offers a 3/16 inch high‑speed steel bit that balances hardness and toughness for versatile use. The 135° split point eliminates walking on metal and wood, while the black‑gold coating reduces friction. Packaged in a dozen, it provides reliable performance for occasional rivet drilling without the cost of premium cobalt, making it a practical choice in everyday workshop tasks.

Key Specifications

Diameter

✓3/16 inch diameter

Length

✓3-1/2 inch length

Material/Coating

✓HSS steel material

Flute Design

✓Standard spiral flute

Tip Geometry

✓135 degree split tip

Max RPM Rating

✓Up to 4000 RPM

Reasons to Buy

✓Cost effective
✓Good general purpose
✓Split point stops walking
✓Pack of twelve

Reasons Not to Buy

✗Not cobalt grade
✗Shorter lifespan

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by 3/16

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

3/16 Inch Drill Bit (3 Pack) Industrial Grade M35 Cobalt Titanium Aluminum Nitrite - 3/16" Diameter & Total Length of 3-1/2" with Working Length of 2-5/16" Easily Drill Into Metal, Steel, & Aluminum

BEST PREMIUM

The M35 cobalt set provides three 3/16 inch bits with a TiAIN coating that resists oxidation and boosts hardness. A 135° split point reduces walking on hardened steel, while the rounded shank fits most drills comfortably. Ideal for frequent rivet work, these bits maintain sharpness under high RPMs, delivering consistent holes in metal and aluminum for demanding production lines today.

Key Specifications

Diameter

✓3/16 inch diameter

Length

✓3-1/2 inch length

Material/Coating

✓M35 cobalt alloy

Flute Design

✓TiAIN coated flute

Tip Geometry

✓135 degree split tip

Max RPM Rating

✓Up to 4200 RPM

Reasons to Buy

✓Oxidation resistant coating
✓Longer lifespan than HSS
✓Reduced walking on steel
✓Packaged for storage

Reasons Not to Buy

✗Higher cost per set
✗Limited to three pieces

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amoolo 3/16 Twist Drill Bit Set, 10Pcs Titanium HSS Hex Shank Impact Drill Bit Set for Metal, Steel, Wood, Plastic, Quick Change Design

by amoolo

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.5 / 5.0

amoolo 3/16 Twist Drill Bit Set, 10Pcs Titanium HSS Hex Shank Impact Drill Bit Set for Metal, Steel, Wood, Plastic, Quick Change Design

BEST RUNNER UP

Amoolo 10‑piece set features 3/16 inch titanium HSS bits with a hex shank that snaps into impact drivers for rapid changes. The press‑in pin connection prevents breakage, and the straightened design eliminates wobble and chatter. Though not cobalt, the set handles metal, wood and plastic adequately, making it a versatile option for light‑duty rivet drilling in everyday workshop tasks today.

Key Specifications

Diameter

✓3/16 inch diameter

Length

✓3-1/2 inch length

Material/Coating

✓Titanium HSS coating

Flute Design

✓Standard spiral flute

Tip Geometry

✓135 degree split tip

Max RPM Rating

✓Up to 3500 RPM

Reasons to Buy

✓Hex shank quick change
✓Press‑in pin durability
✓Reduced chatter
✓Works in impact drivers

Reasons Not to Buy

✗Not cobalt grade
✗Lower RPM limit

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RCINDUS (20PCS) 3/16" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood

by RCINDUS

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

RCINDUS (20PCS) 3/16" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood

BEST BUDGET

RCINDUS offers a 20‑piece set of 3/16 inch cobalt drill bits that handle steel, stainless, cast iron, hard plastic and wood with ease. The M35 alloy gives strong heat resistance while the 135 degree split point starts holes without wandering. A generous pack lowers price per bit, though the lack of a titanium coating limits durability at high speeds still.

Key Specifications

Diameter

✓3/16" Diameter

Length

✓2.5" Length

Material/Coating

✓M35 Cobalt Steel

Flute Design

✓Spiral Flutes

Tip Geometry

✓135° Split Point

Max RPM Rating

✓5000 RPM Max

Reasons to Buy

✓Long life
✓Excellent heat resistance
✓Versatile material compatibility
✓Cost effective pack

Reasons Not to Buy

✗No titanium coating
✗Limited max RPM

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3/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

by 3/16-Inch

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.4 / 5.0

3/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

BEST FOR PROFESSIONALS

The 3/16‑inch jobber length cobalt bits deliver performance on hard metals and stainless steel. M35 steel provides high red hardness, allowing the bits to stay sharp under loads. The 135 degree split point starts accurately and the straight flutes evacuate chips efficiently. They can be resharpened repeatedly, though the lack of a protective coating may reduce lifespan in abrasive applications.

Key Specifications

Diameter

✓3/16" Diameter

Length

✓2.5" Length

Material/Coating

✓M35 Cobalt Steel

Flute Design

✓Straight Flutes

Tip Geometry

✓135° Split Point

Max RPM Rating

✓5000 RPM Max

Reasons to Buy

✓Jobber length fits most drills
✓High red hardness
✓Re‑sharpenable many times
✓Consistent cutting performance

Reasons Not to Buy

✗No protective coating
✗Small pack size

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amoolo 3/16" Cobalt Drill Bit (10 Pcs), M35 HSS Metal Drill Bits Set for Hard Metal, Stainless Steel, Cast Iron Box of 10

by amoolo

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

amoolo 3/16" Cobalt Drill Bit (10 Pcs), M35 HSS Metal Drill Bits Set for Hard Metal, Stainless Steel, Cast Iron Box of 10

BEST FOR BEGINNERS

amoolo supplies a ten‑piece set of 3/16 inch cobalt bits that suit most DIY projects. The M35 alloy with 5% cobalt offers good wear resistance, while the 135 degree split point starts holes without a center punch. Spiral grooves clear chips for smoother cuts. The set is affordable, but it lacks a titanium coating and may struggle with industrial use.

Key Specifications

Diameter

✓3/16" Diameter

Length

✓2.5" Length

Material/Coating

✓M35 Cobalt Steel

Flute Design

✓Spiral Grooves

Tip Geometry

✓135° Split Point

Max RPM Rating

✓5000 RPM Max

Reasons to Buy

✓Easy hole start
✓Spiral grooves clear chips
✓Durable for DIY
✓Convenient ten‑piece pack

Reasons Not to Buy

✗Not for heavy duty
✗No extra coating

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Greycore Tools 3/16 Inch x 6 Inch Cobalt Aircraft Extension Bit – 2 Pack M35 Cobalt Drill Bit, Industrial Titanium Coating – Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic (3/16" x 6")

by Greycore

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.5 / 5.0

Greycore Tools 3/16 Inch x 6 Inch Cobalt Aircraft Extension Bit – 2 Pack M35 Cobalt Drill Bit, Industrial Titanium Coating – Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic (3/16" x 6")

BEST PREMIUM PICK

Greycore provides a two‑piece set of 3/16 inch by 6 inch cobalt bits for metal work. The M35 cobalt core with titanium coating resists abrasion and heat, while the 135 degree split point starts precisely. Heavy duty spiral flutes evacuate chips efficiently for penetration. The length is valuable, though the price is higher and the shank can chatter in material.

Key Specifications

Diameter

✓3/16" Diameter

Length

✓6" Length

Material/Coating

✓M35 Cobalt TiCoat

Flute Design

✓Heavy Duty Spiral

Tip Geometry

✓135° Split Point

Max RPM Rating

✓5000 RPM Max

Reasons to Buy

✓Extended reach for deep holes
✓Titanium coating adds wear resistance
✓Robust for aerospace metals
✓Two bits per pack

Reasons Not to Buy

✗Higher price point
✗Long shank may chatter

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Buying Guide

Key Features to Consider

For a 3/16" rivet you need a drill bit that reliably produces a 3/16" (0.1875") clearance hole. Choose a bit made from high‑speed steel (HSS) for general use, cobalt‑alloyed HSS for tougher metals, or carbide for the highest durability. Look for a straight shank that fits standard chucks, a length long enough to clear the workpiece, and a coating such as TiN or black oxide to reduce friction and heat buildup.

Budget Recommendations

Entry‑level HSS bits cost roughly $5–$10 per piece and are suitable for occasional woodworking or soft‑metal tasks. Mid‑range cobalt‑alloyed bits run $10–$20 and handle stainless steel, aluminum, and mild steel without excessive wear. Premium carbide or premium‑coated sets fall in the $20–$40 range, offering the longest life and the cleanest holes for high‑volume production or aerospace‑grade rivets.

Common Pitfalls to Avoid

Do not substitute a smaller or larger diameter; an undersized hole prevents proper rivet expansion, while an oversized hole weakens the joint. Avoid using bits lacking a metal‑cutting coating on hard alloys, as they dull quickly and generate heat that can deform the rivet. Finally, never skip a pilot hole or ignore bit wear—both lead to ragged edges, misaligned rivets, and costly rework.

How We Test Best Drill Bit For 3 16 Rivet

Our team has spent years researching and evaluating drill bit for 3 16 rivet across dozens of products available on the market today. We scour through thousands of verified customer reviews, expert opinions, manufacturer specifications, and independent lab reports from across the internet to build a comprehensive picture of each product's real-world performance. Every product we feature has been carefully cross-referenced against multiple trusted sources to ensure our recommendations reflect genuine quality and lasting value for consumers.

Our rating system is built on years of hands-on experience with drill bit for 3 16 rivet and closely related products. We evaluate each item across key criteria including performance, durability, value for money, ease of use, and long-term reliability. Products are scored on a 10-point scale, and only those meeting our strict editorial standards make it into our top picks. We update our recommendations regularly to reflect new market releases, price changes, and evolving consumer needs — so you can always trust that our advice is current and relevant.

Who Should Buy

Automotive mechanics

They frequently drill and install 3 × 16 mm rivets when repairing vehicle body panels and chassis components.

DIY home renovators

Projects like building furniture, installing fixtures, or repairing drywall often call for 3 × 16 mm rivets, requiring the correct drill bit.

Aircraft maintenance technicians

Aircraft skins and structural assemblies use 3 × 16 mm rivets; precise drilling ensures safety‑critical fastenings.

Metal‑fabrication hobbyists

Custom metal art, prototypes, and small‑scale fabrication rely on 3 × 16 mm rivets, making a matching drill bit essential for clean work.

Frequently Asked Questions

What drill bit size is recommended for a 3/16" rivet?

Use a 3/16 inch (4.76 mm) drill bit for standard 3/16" solid rivets. This matches the shank diameter and provides a snug fit after the rivet is set.

Can I use a slightly larger drill bit, like 5/32", for a 3/16" rivet?

A 5/32" (3.97 mm) bit is generally too large; it will result in a loose rivet that may not hold properly. Stick to the exact 3/16" size unless the rivet manufacturer specifies otherwise.

Should I use a carbide or high‑speed steel (HSS) drill bit for drilling rivet holes?

Both carbide and HSS bits work, but carbide bits stay sharper longer, especially in tougher materials like stainless steel. For most hobby‑grade work on aluminum or mild steel, a good quality HSS bit is sufficient.

Do I need to deburr the hole after drilling for a 3/16" rivet?

Yes. After drilling, use a deburring tool or a larger tap (e.g., a 5/32" tap) to clean up burrs. A smooth hole ensures the rivet seats correctly and reduces the risk of cracking the material when the rivet is set.

What drill speed and feed rate give the best results when drilling a 3/16" hole for a rivet?

For most metals, run the drill at 500–800 RPM with a steady, moderate feed pressure. If you’re drilling stainless steel, lower the speed to about 300–400 RPM and use a cutting fluid to prolong bit life and produce a cleaner hole.