Best Screws For Toilet Flange

Richard Shafer | 26-01-2026

A loose or unstable toilet can quickly become a frustrating and unsanitary problem, often caused by worn or inadequate flange bolts. Choosing the right screws or bolt kits is essential for ensuring your toilet stays securely anchored and leak-free, preventing costly water damage and unwanted movement.

This guide reviews the best screws and bolt kits for toilet flanges, highlighting their strengths, installation ease, and what makes each option stand out. Whether you’re tackling a full bathroom renovation or a quick repair, you’ll find clear advice to match the right product to your specific needs.

Editor's Choice
EZ-FLO Solid Brass Closet Bolt Set
EZ-FLO Solid Brass Closet Bolt Set
Premium Pick
XINSENYUE Toilet Floor Bolts and Caps Kit
XINSENYUE Toilet Floor Bolts and Caps Kit
Budget Pick
Fluidmaster Setfast Self-Adjusting Toilet Bolts
Fluidmaster Setfast Self-Adjusting Toilet Bolts

Our Top 9 Best Screws For Toilet Flange Picks

Whether you’re buying your first Screws For Toilet Flange or replacing an old one, we compared trusted options to help you make an informed choice.

1. EZ-FLO Solid Brass Closet Bolt Set

Best for Heavy-Duty Durability
EZ-FLO Solid Brass Closet Bolt Set

A secure toilet installation depends on reliable bolts that resist corrosion and maintain a firm hold over time. Many standard bolts can rust or loosen, leading to wobbly toilets and potential leaks.

The EZ-FLO Solid Brass Closet Bolt Set is a dependable solution for homeowners seeking long-lasting performance. Its solid brass construction is ideal for those who want a worry-free, sturdy anchor for their toilet, especially in moisture-prone bathrooms.

  • Solid brass build: Offers superior resistance to rust and corrosion for lasting reliability
  • Complete hardware kit: Includes nuts, washers, and captive washers for a comprehensive installation
  • Lead-free and NSF compliant: Ensures safety and peace of mind for home use

Compared to typical steel or plated alternatives, this set prioritizes durability and compliance with safety standards. The tradeoff is a slightly higher price for premium materials, but it pays off in longevity.

Strength
  • Solid brass construction
  • Includes all necessary hardware
  • Lead-free and NSF compliant
  • Reliable for long-term use
  • Resists corrosion
Weakness
  • Higher cost than basic kits
  • Limited to standard bolt size

2. XINSENYUE Toilet Floor Bolts and Caps Kit

Best for Universal Fit and Safety Caps
XINSENYUE Toilet Floor Bolts and Caps Kit
9.5

Xinsenyue

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Securing a toilet bowl to the floor flange is essential for stability, but exposed bolts can be unsightly and even hazardous. Many kits lack protective caps, leaving sharp ends exposed.

The XINSENYUE Toilet Floor Bolts and Caps Kit addresses both installation and safety concerns. It's a practical choice for homeowners who want a universal fit and added protection against accidental contact with bolt ends.

  • Universal sizing: Fits most toilet models for broad compatibility
  • Protective caps included: Hides bolts and helps prevent injuries
  • Durable construction: Provides strength and reliability for daily use

Unlike some basic bolt sets, this kit emphasizes both function and finished appearance. The main tradeoff is that the included hardware may not be as heavy-duty as premium brass options.

Strength
  • Fits most toilets
  • Includes safety caps
  • Easy to install
  • All-in-one kit
  • Affordable option
Weakness
  • Not solid brass
  • Caps may not match all decor

3. Fluidmaster Setfast Self-Adjusting Toilet Bolts

Best for Quick and Adjustable Installation
Fluidmaster Setfast Self-Adjusting Toilet Bolts
9.1

Fluidmaster

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Traditional toilet bolts can be tricky to align and may require extra adjustments during installation. This can lead to frustration and wasted time, especially for DIYers.

Fluidmaster's Setfast Self-Adjusting Toilet Bolts simplify the process with an adjustable design that helps achieve a proper seal and fit. This product is ideal for those who value quick, hassle-free installation and want to avoid common alignment issues.

  • Self-adjusting feature: Makes alignment and sealing easier for a secure fit
  • Brass construction: Offers durability and resistance to corrosion
  • Designed for DIYers: Reduces installation errors and speeds up the process

Compared to fixed-length bolts, this set focuses on user-friendly installation. The tradeoff is that it may not offer the same heavy-duty feel as some solid brass kits.

Strength
  • Self-adjusting design
  • Speeds up installation
  • Reduces alignment errors
  • Brass material
  • Great for DIY projects
Weakness
  • Not as robust as solid brass
  • Limited to standard applications

4. Gtziqa Heavy Duty Toilet Floor Bolt Kit

Best for Complete Installation Kits
Gtziqa Heavy Duty Toilet Floor Bolt Kit

Installing or replacing a toilet can require multiple small parts, and missing hardware can stall the project. Many kits offer only the basics, leaving you searching for additional pieces.

The Gtziqa Heavy Duty Toilet Floor Bolt Kit provides a comprehensive set with all necessary nuts, washers, covers, and rings. It's well-suited for those who want a one-stop solution for both new installations and repairs.

  • Full 16-piece kit: Includes all essential components for a secure and neat installation
  • High-quality alloy bolts: Resist rust and corrosion for long-term reliability
  • Easy, tool-free installation: Designed for quick setup without special tools

Compared to minimal bolt sets, this kit prioritizes completeness and convenience. The tradeoff is that the large assortment may be more than needed for simple repairs.

Strength
  • Comprehensive kit
  • Rust-resistant alloy
  • Includes covers and rings
  • Easy to install
  • Good for new installs
Weakness
  • More parts than basic kits
  • Not solid brass

5. Jwodo Universal Toilet Bolt Caps 4-Pack

Best for Covering Unsightly Bolts
Jwodo Universal Toilet Bolt Caps 4-Pack

Exposed or rusted toilet bolts can detract from a bathroom's appearance and pose a safety risk. Standard bolt kits often lack effective covers, leaving bolts visible and unprotected.

Jwodo Universal Toilet Bolt Caps offer a simple way to conceal and protect toilet bolts, making them ideal for homeowners focused on aesthetics and safety. These caps are a practical replacement for worn or missing covers.

  • Universal fit: Designed to cover most toilet bolt sizes and types
  • Durable plastic construction: Easy to clean and maintain
  • Snap-on installation: Quick and tool-free for DIY projects

Compared to bolt kits that lack caps, this product prioritizes appearance and safety. The tradeoff is that it does not include bolts or mounting hardware.

Strength
  • Universal compatibility
  • Improves bathroom appearance
  • Simple snap-on design
  • Durable plastic
  • Affordable solution
Weakness
  • Caps only, no bolts
  • Plastic may discolor over time

6. Big Foot No Spin Toilet Flange Bolts

Best for Spin-Free Installation
Big Foot No Spin Toilet Flange Bolts
8.5

Big Foot Bolts

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Standard toilet bolts can spin during tightening, making installation difficult and sometimes leading to improper sealing. This can be especially frustrating for those working alone or with older flanges.

Big Foot No Spin Toilet Flange Bolts are designed to stay firmly in place, simplifying the tightening process. They're a great choice for anyone who wants a straightforward, frustration-free installation.

  • No-spin design: Prevents bolts from turning in the flange during tightening
  • Rust-proof aluminum: Ensures long-term durability and easy removal
  • Extra thick washer: Won't warp under pressure for a stable fit

Compared to regular bolts, this set prioritizes ease of installation and removal. The tradeoff is that aluminum may not match the strength of brass in some applications.

Strength
  • No-spin feature
  • Rust-proof material
  • Easy to remove excess
  • Thick, sturdy washers
  • Reduces installation hassle
Weakness
  • Aluminum not as strong as brass
  • Not a full kit

7. Sliverdew Universal Toilet Flange Repair Kit

Best for Complete Flange Repair
Sliverdew Universal Toilet Flange Repair Kit
8.3

Sliverdew

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A damaged or corroded toilet flange can compromise the stability of your toilet and lead to leaks. Many kits only address bolt replacement, not full flange repair.

The Sliverdew Universal Toilet Flange Repair Kit includes everything needed for a thorough repair, making it a solid choice for those tackling more extensive bathroom fixes. It’s especially useful for older homes or when replacing worn-out components.

  • Brass T-bolts and hardware: Provides corrosion resistance and secure attachment
  • Comprehensive package: Includes caps, washers, and retainer rings for a full repair
  • Easy DIY installation: Designed for universal fit and straightforward setup

Compared to basic bolt sets, this kit prioritizes a complete solution for flange issues. The tradeoff is a more involved installation process due to the number of included parts.

Strength
  • Full repair kit
  • Brass hardware
  • Includes caps and washers
  • Universal fit
  • Good for older toilets
Weakness
  • More complex installation
  • Extra parts may not be needed

8. boeemi Toilet Flange Bolts and Caps Set

Best for DIY-Friendly Installation
boeemi Toilet Flange Bolts and Caps Set

Replacing toilet bolts can be intimidating for DIYers, especially when dealing with unfamiliar hardware. Kits that are easy to install and include all necessary pieces can make the process much smoother.

The boeemi Toilet Flange Bolts and Caps Set is designed for straightforward, do-it-yourself installation. It’s a practical choice for homeowners who want a quick, reliable fix without specialized tools.

  • All-in-one kit: Includes bolts, nuts, washers, and caps for a complete installation
  • Corrosion-resistant materials: Ensures durability and a secure fit
  • Protective caps: Hide bolts and prevent accidental contact

Compared to piecemeal solutions, this kit prioritizes ease of use and completeness. The tradeoff is that it may not offer the same heavy-duty feel as premium brass options.

Strength
  • DIY-friendly kit
  • Includes all hardware
  • Corrosion resistant
  • Protective bolt caps
  • Clear sizing information
Weakness
  • Not solid brass
  • Basic design

9. XINSENYUE Universal Brass-Plated Flange Bolts

Best for Simple Brass-Plated Replacement
XINSENYUE Universal Brass-Plated Flange Bolts
7.9

Xinsenyue

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When replacing worn or missing toilet flange bolts, many homeowners want a straightforward, no-frills solution. Some kits are overly complicated or lack essential components.

XINSENYUE Universal Brass-Plated Flange Bolts offer a simple, all-in-one kit for quick repairs or replacements. It's ideal for those who want brass-plated durability and easy installation without extra parts.

  • Brass-plated T-bolts: Provide corrosion resistance and a secure fit
  • Includes nuts, washers, and caps: Everything needed for a clean installation
  • Universal compatibility: Fits most toilets for hassle-free replacement

Compared to more elaborate kits, this set prioritizes simplicity and essential hardware. The tradeoff is fewer included accessories for specialized needs.

Strength
  • Simple all-in-one kit
  • Brass-plated bolts
  • Includes caps
  • Universal fit
  • Quick replacement
Weakness
  • Not solid brass
  • Limited accessories

Buying Guide: How to Choose the Best Screws for Toilet Flange

Toilet flange screws and bolt kits are small but essential components that keep your toilet securely anchored to the floor. Choosing the right set can prevent leaks, rocking, and long-term damage to your bathroom. Buyers often face confusion over materials, compatibility, and the difference between basic bolt sets and full repair kits.

Choosing Between Basic Bolt Sets and Full Repair Kits

Some situations only require replacing old or rusted bolts, while others call for a complete repair kit with washers, caps, or even a flange extender. If your flange is damaged or uneven, a full repair kit is often the best choice. For standard replacements, a basic bolt set is usually sufficient.

Material and Corrosion Resistance

Bathrooms are high-moisture environments, so rust resistance is crucial. Brass and stainless steel offer the best long-term durability, while aluminum and brass-plated options provide a balance of cost and performance. Consider your bathroom's humidity and whether you want a "set it and forget it" solution.

Installation and Safety Features

Ease of installation can vary. Kits with self-adjusting or no-spin features make the process smoother, especially for DIYers. Protective caps not only improve appearance but also prevent accidental contact with sharp bolt ends—important for homes with children or pets.

Matching the Kit to Your Project

Final Buying Advice

Selecting the right toilet flange screws or bolt kit comes down to matching your repair needs, installation skills, and desired durability. Avoid overcomplicating a simple fix, but don't skimp on quality for high-moisture or high-traffic bathrooms.

FAQ For Screws For Toilet Flange

1. What size bolts do I need for a standard toilet flange?

Most standard toilets use 1/4 inch diameter bolts that are 2-1/4 inches long. Always check your flange and toilet base for compatibility before purchasing.

2. Are brass bolts better than steel or aluminum for toilet installation?

Brass bolts offer superior corrosion resistance and durability in moist bathroom environments, making them a preferred choice for long-term reliability.

3. Do I need bolt caps for my toilet flange bolts?

Bolt caps are recommended to cover exposed bolt ends, improving appearance and reducing the risk of injury, especially in homes with children or pets.

4. Can I use universal bolt kits with any toilet?

Most universal kits fit standard toilets, but it's important to check the dimensions and compatibility with your specific flange and toilet model.

5. When should I use a flange repair kit instead of just replacing bolts?

If your flange is cracked, uneven, or damaged, a repair kit with a reinforcement ring or extender is recommended for a secure and leak-free installation.

6. Is it difficult to install toilet flange bolts myself?

Many kits are designed for DIY installation and include all necessary hardware. Follow the included instructions and ensure the toilet is level and secure.

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