10 Best Screws for Toilet Flange in 2027

Toilet repairs need screws that fit the flange, resist rust, and stay tight over time, and the best toilet flange screws help solve that problem. Strong options share the right thread size, proper length, and durable hardware like stainless steel, brass, or plated metal.

This roundup covers toilet floor bolt kits with caps and washers, no-spin bolts, and universal floor bolt kits. It also includes metal flange sets and branded kits, so the toilet flange screws in this guide suit different installs and replacement needs.

The picks below review 10 toilet flange screws and show which setup each fits, followed by a buying guide for the right hardware.

Toilet Floor Bolt Kit with Caps and Washers

If you need a toilet flange screw kit for a steadier fixture, the Toilet Floor Bolt Kit with Caps and Washers gives you a simple way to secure the toilet base. It comes as a 16-piece set with bolts, nuts, washers, caps, and rings, so you have the main hardware for installation or replacement in one kit.

The alloy parts resist rust and corrosion, which matters in a damp bathroom environment. That helps the hardware stay in better condition over time.

Plastic locking nuts and metal washers work together to support a tight, waterproof seal. That can help reduce movement and keep the base looking cleaner after setup.

Installation is quick and does not call for special tools. The kit also includes decorative covers that hide sharp ends and white rings that keep the base neat.

For the reader looking at a toilet flange screw kit, this is a straightforward option for a fast install with tidy finishing parts. It is a practical pick for new installs or replacements, though it is mainly suited to standard toilet models.

Best for: Homeowners and DIYers who want a quick toilet installation or replacement kit with rust resistance and a tidy finish.

What We Like:

• 16-piece set covers bolts, nuts, washers, caps, and rings.
• Rust- and corrosion-resistant alloy parts help with durability.
• Plastic locking nuts support a tight, waterproof seal.
• Decorative covers hide sharp ends for a cleaner finish.
• Installs in minutes with no special tools.

Specification

Specification	User Benefit
16-piece set	Includes the main parts needed for installation or replacement.
Alloy parts	Resists rust and corrosion in bathroom conditions.
Plastic locking nuts	Helps hold the hardware in place during setup.
Metal washers	Supports a tighter seal at the base.
Caps and rings	Improves safety and keeps the toilet base neat.
No special tools required	Makes installation quicker and simpler.

Big Foot No-Spin Toilet Flange Bolts

Big Foot No-Spin Toilet Flange Bolts help hold a toilet flange connection steady during installation. They give you a fastening option that stays put while you tighten, which can make the job less frustrating.

The no-spin design keeps the bolt from twisting as you work. That matters when you want a cleaner, tighter installation without fighting moving hardware.

Their 5/16-18 threading and 2.5-inch length suit common toilet flange jobs. That makes them a practical option for the typical toilet flange setup in the reader’s situation.

The rust-proof aluminum construction helps the bolts resist corrosion in wet areas. That is useful where moisture can shorten the life of standard hardware.

An extra-thick washer adds support and helps the mount feel more stable. You can also trim excess material after installation for a neater finish.

Big Foot Bolts LLC makes this blue BFBL model for BISS use. If you need a different finish or a longer bolt, these may not be the right fit.

Best for: Homeowners and plumbers who want no-spin bolts for a secure toilet flange installation.

What We Like:

• No-spin design keeps bolts steady during tightening
• Rust-proof aluminum resists corrosion in wet conditions
• Extra-thick washer adds stability at the mount
• 5/16-18 threading fits common flange jobs
• Excess material can be trimmed for a cleaner finish

Specification

Specification	User Benefit
Threading: 5/16-18	Fits common toilet flange fastening needs.
Length: 2.5 inches	Works with many standard flange setups.
Material: Rust-proof aluminum	Helps resist corrosion in wet environments.
Washer: Extra-thick washer	Adds support for a steadier mount.
Model: BFBL	Identifies the product for replacement matching.
Finish: Blue	Provides a distinct visible hardware finish.

Toilet Flange Bolts with Caps, Solid Wax Ring Install Parts Kit, 2 Pack

Boeemi’s toilet flange bolt kit helps secure a standard floor-mount toilet with a wobble-free fit. It gives you brass-plated steel bolts, along with nuts, washers, and plastic caps for a cleaner finish.

For a DIY repair, that means fewer extra parts to track down. The hardware is aimed at stable mounting, so the toilet sits more securely after installation.

The kit works for standard floor-mount setups and fits the reader situation in a straightforward toilet flange bolt install. That makes it a practical option when you want replacement hardware without a separate hardware run.

Installation is simple enough for hand tightening at first, which helps reduce the chance of cracking the toilet base. After that, the plastic caps cover the hardware for a tidier look.

Check flange depth before starting, since a high flange may need trimming or adjustment. The kit comes as a 2-pack, but it does not include a wax ring.

Best for: DIY homeowners replacing standard floor-mount toilet bolts who want stable mounting and included caps.

What We Like:

• Brass-plated steel bolts provide sturdy fastening hardware
• Nuts, washers, and caps come in one kit
• Wobble-free fit helps keep the toilet stable
• Hand-tightening first can help protect the toilet base
• Plastic caps create a cleaner finished look

Specification

Specification	User Benefit
Material: brass-plated steel bolts	Provides durable fastening hardware for toilet mounting.
Included parts: nuts, washers, plastic caps	Gives you the main installation pieces in one kit.
Quantity: 2 pack	Supplies hardware for two bolt positions.
Compatibility: standard floor-mount toilets	Matches common floor-mounted toilet installs.
Wax ring: not included	Lets you plan for a separate wax ring purchase.

Rocky Mountain Goods Toilet Bolt and Screw Kit

Rocky Mountain Goods Toilet Bolt and Screw Kit gives you the hardware needed for a secure toilet installation. It includes two closet bolts, two screws, two nuts, and two washers, so you have the main parts in one kit.

The sturdy steel hardware helps hold the toilet bowl firmly in place. That matters when you want less rocking and a tighter setup over time.

Its E-Z snap-off design also makes installation simpler. It helps you place the cap cleanly after the hardware is set.

For a reader comparing options in a toilet bolt kit, the mix of bolts, screws, nuts, and washers keeps the job straightforward. The 1/4 inch x 2-1/4 inch bolts and 2-1/2 inch screws give you a clear size reference before you start.

This kit works for many standard installs, but it is still basic hardware. Skip it if your toilet needs a nonstandard setup or extra installation features.

Best for: Homeowners, DIYers, and plumbers who want a complete toilet bolt kit for a secure installation.

What We Like:

• Includes bolts, screws, nuts, and washers in one kit.
• Steel hardware helps reduce rocking.
• E-Z snap-off design makes cap placement easier.
• Clear bolt and screw sizes help with planning.

Specification

Specification	User Benefit
Two closet bolts	Provides the main fasteners for toilet installation.
Two screws	Adds the hardware needed for a complete setup.
Two nuts	Helps secure the installed hardware in place.
Two washers	Supports a tighter, more stable fit.
1/4 inch x 2-1/4 inch bolts	Gives a clear size reference before installation.
2-1/2 inch screws	Helps you confirm compatibility with your setup.

Eiodoni 2 Pack Toilet Floor Bolts, Metal Flange Kit with Cap, Nut, Washer

Eiodoni’s toilet floor bolt kit helps secure a toilet during a new install or replacement. The 16-piece set gives you bolts, nuts, washers, caps, and rings in standard sizes, so you have the main hardware in one box.

The alloy construction is meant to resist rust in damp bathroom conditions. That matters when exposed parts sit near moisture and you want hardware that stays usable over time.

Plastic locking nuts and metal washers help hold the toilet steady. The mix of parts gives you a simple way to replace worn hardware without gathering extras.

The bolt caps cover sharp ends, which adds a cleaner look and makes the finished install feel safer. Washers also help seal out water, which is useful around the base.

For a homeowner tackling toilet flange bolt kit replacement, the silver finish keeps the hardware neat and unobtrusive. It works with basic tools and suits straightforward repairs.

It may not suit nonstandard toilet or flange setups, and the plastic nuts may feel less solid than all-metal hardware.

Best for: Homeowners replacing worn toilet flange hardware or handling a basic new installation with standard parts.

What We Like:

• 16-piece set includes bolts, nuts, washers, caps, and rings.
• Alloy construction helps resist rust in wet bathrooms.
• Plastic locking nuts help keep the toilet steady.
• Bolt caps cover sharp ends for a cleaner finish.
• Washers help seal out water around the base.

Specification

Specification	User Benefit
16-piece kit	Keeps the main hardware in one set.
Bolts	Replaces toilet floor mounting hardware.
Nuts	Helps secure the toilet in place.
Washers	Helps seal out water at the base.
Caps	Covers sharp ends for safer handling.
Rings	Adds the included parts needed for installation.

Danco Zero Cut Toilet Mounting Bolts (10770)

Danco Zero Cut Toilet Mounting Bolts (10770) solve a common toilet installation problem when flange height varies. They help you mount a toilet without cutting bolts, which matters when the flange sits above, below, or flush with the floor.

The kit supports adjustable installation up to 3 inches, so you can set the bolts for different flange heights. That flexibility can save time during a repair or replacement and reduce the need to trim hardware.

It includes stainless steel bolts, brass parts, and the needed hardware in one package. Those materials give the assembly a sturdy feel and make it easier to gather the parts before starting.

Alignment bullets help position the bolts quickly. The double-threaded body and lower retracting bolt help tighten the mount securely, while slide adapters support the fit.

Low-profile caps give the install a cleaner look and help avoid scratching enamel surfaces. This matters if you want a finished appearance after the toilet is set.

If you already have a very simple standard install, the extra adjustability may be more than you need.

Best for: Homeowners or DIYers dealing with varied toilet flange heights who want a no-cut mounting setup.

What We Like:

• Adjustable up to 3 inches for different flange heights
• Stainless steel bolts and brass parts add durability
• Alignment bullets speed up positioning
• Double-threaded body helps tighten securely
• Low-profile caps help protect enamel surfaces

Specification

Specification	User Benefit
Adjustable range: up to 3 inches	Fits above-floor, flush, or below-floor flange setups.
Stainless steel bolts	Adds a durable fastening component.
Brass parts	Provides included metal hardware for the mount.
Alignment bullets	Helps position the bolts faster.
Double-threaded body	Helps tighten the assembly securely.
Lower retracting bolt	Supports secure mounting during installation.

Master Plumber 403741 MP Brass Toilet Bolt, 10-Pack

Master Plumber’s brass toilet bolt 10-pack gives you replacement hardware for standard toilet flange repairs and installs. It gives you ten bolts, so you can handle one job now and keep extras for later maintenance.

The brass construction adds a corrosion-resistant option for damp bathroom conditions. The gold finish supports that same use while giving the bolts a clean, finished look.

For common home improvement work, the one size fits most design keeps the hardware simple to use. That matters when you want a basic replacement part without sorting through multiple sizes.

A 10-pack also helps if you like to keep spare bolts in the toolbox. It can save another trip when a future toilet repair comes up.

This pack is a practical pick for standard flange repairs and installations in a home setting. If you need specialty hardware or more than bolts, this may not cover the whole job.

Best for: Homeowners fixing a standard toilet flange who want spare brass bolts for repairs and future installs.

What We Like:

• 10 bolts provide extras for later repairs
• Brass construction helps resist corrosion in bathrooms
• Gold finish adds a clean look
• One size fits most standard toilet installations

Specification

Specification	User Benefit
10-Pack	Gives you extras for future repairs or installs.
Brass Construction	Adds durability for bathroom use.
Gold Finish	Provides a finished look on the hardware.
One Size Fits Most	Simplifies use on common toilet installations.
Toilet Bolt	Suits flange repairs and toilet installations.

Toilet Floor Bolts and Caps Set, 2 Pcs Toilets Bolts for Floor

Need a reliable toilet floor bolt kit for a quicker, tidier toilet install? Toilet Floor Bolts and Caps Set provides the hardware you need for a secure base, with two floor bolts, nuts, washers, sealing rings, and 16 fluorescent cover caps. The set pairs rust- and corrosion-resistant alloy hardware with durable plastic lock nuts for long bathroom use.

The included washers help form a waterproof seal, which matters when you want the toilet base to stay cleaner and more stable. The cap set also hides sharp ends, adding a neater finish and a safer look around the toilet base.

Assembly is meant to be quick, so the parts work well for straightforward new toilet setups. That makes this product practical for the toilet floor bolts and caps set task when you want to finish installation without extra pieces.

The fluorescent caps are useful if you want the bolt ends easier to notice while keeping the area covered. The overall kit focuses on simple installation and a tidy result with basic parts in one package.

It is a straightforward kit rather than a universal repair solution, so check compatibility before purchase if your setup is unusual.

Best for: Homeowners or DIY installers who want a rust-resistant floor bolt kit for a clean toilet installation.

What We Like:

• Includes bolts, nuts, washers, sealing rings, and 16 caps.
• Rust- and corrosion-resistant alloy hardware helps bathroom durability.
• Plastic lock nuts add dependable fastening support.
• Washers help create a waterproof seal.
• Fluorescent caps cover sharp ends for a neater finish.

Specification

Specification	User Benefit
Includes: 2 floor bolts	Provides the main hardware for installation.
Includes: nuts	Helps secure the bolts in place.
Includes: washers	Supports a tighter, more sealed fit.
Includes: sealing rings	Adds another sealing component for the setup.
Includes: 16 fluorescent cover caps	Covers exposed ends for a cleaner look.
Material: alloy hardware	Resists rust and corrosion in bathroom use.

Universal Toilet Floor Bolts and Caps Set

The Universal Toilet Floor Bolts and Caps Set helps you install or repair a toilet with the parts in one package. It combines stainless steel T-bolts, nuts, washers, and plastic caps, so you have the main hardware without extra searching.

The rust-resistant hardware matters in damp bathroom conditions. Stainless steel and plastic help the set hold up better where moisture is common.

Dual nuts and multiple washers help the toilet sit more securely on the flange. That steadier fit can reduce wobble and limit stress on the connection.

The white caps cover exposed fasteners and protect the ends. They also give the toilet a cleaner finished look.

Its universal sizing fits most standard toilets, which makes it easier to use for the Universal Toilet Floor Bolts and Caps Set reader situation. Still, it may not suit every toilet model or nonstandard flange setup.

Best for: Homeowners or DIYers who want a complete toilet hardware kit for standard installations or repairs.

What We Like:

• Stainless steel and plastic parts help resist rust in damp bathrooms.
• T-bolts, nuts, washers, and caps come in one kit.
• Dual nuts and multiple washers help create a secure fit.
• White caps cover exposed fasteners for a cleaner finish.
• Universal sizing fits most standard toilets.

Specification

Specification	User Benefit
Stainless steel T-bolts	Helps resist rust in bathroom moisture.
Nuts	Secures the toilet hardware in place.
Washers	Adds stability for a tighter fit.
Plastic caps	Covers exposed ends for a cleaner look.
Dual nuts	Helps lock the assembly more securely.
Universal sizing	Fits most standard toilets.

2 Piece Toilet Flange Repair Kit with Bolts

If your toilet flange is broken, this kit gives you a straightforward repair. It combines a stainless steel split ring with two closet bolts, so you can restore a steadier toilet base without replacing the entire flange.

The metal ring helps reinforce damaged flange material and holds up in wet bathroom conditions. Its rust-resistant build matters because moisture is common around toilet repairs, and corrosion can shorten the life of lower-quality parts.

This kit works with most 3- or 4-inch flanges, including cast iron, PVC, and ABS. That makes it useful for the kind of repair covered by 2 Piece Toilet Flange Repair Kit with Bolts, especially when you need a practical fix for a common flange size.

Installation starts by removing the toilet, clearing debris, and fitting the ring in place. After fastening it, you reset the wax ring and reinstall the toilet, so the repair follows a familiar bathroom replacement process.

The included closet bolts save you from sourcing that hardware separately. They help complete the reset and support the toilet once it is back in place.

It is not for PVC flanges with a metal outer ring, and very badly damaged flanges may need a larger repair.

Best for: Homeowners fixing a broken 3- or 4-inch toilet flange who want a rust-resistant repair kit with included bolts.

What We Like:

• Stainless steel split ring resists rust in damp bathrooms.
• Fits most 3- and 4-inch flanges.
• Includes two closet bolts for the reinstall.
• Works with cast iron, PVC, and ABS flanges.
• Simple repair approach for broken flange bases.

Specification

Specification	User Benefit
Material: stainless steel	Resists rust and corrosion in wet areas.
Included: two closet bolts	Provides the hardware needed for reinstalling the toilet.
Compatibility: most 3- and 4-inch flanges	Fits many common toilet flange repairs.
Compatible materials: cast iron, PVC, ABS	Works across several standard flange types.
Exclusion: PVC with a metal outer ring	Helps you avoid using it on unsupported flange styles.

Factors to Consider When Choosing Screws for Toilet Flange

When you choose screws for a toilet flange, focus on material and corrosion resistance first so they hold up in a damp bathroom. Use screws that match the thread size, bolt length, and flange type so the fit stays secure and reliable.

Don’t overlook washer and nut quality, since better hardware helps the whole connection stay tight over time. Corrosion resistance matters most in this setting, and the right hardware keeps the flange connection steady.

Material And Corrosion Resistance

Stainless steel or brass screws handle bathroom moisture well and resist rust. They suit damp spaces where a toilet stays exposed to steam and splashes.

Zinc or nickel plating adds another layer of protection. That coating can slow corrosion and help the screws last longer.

A rusty screw can weaken the flange connection, loosen the fixture, and cause damage over time. Look for rust-proof materials if you want steady support in humid or wet areas.

Thread Size Compatibility

The screw must match the flange’s threaded holes exactly, or it will not fit properly. Start by matching the screw diameter to the flange, usually 1/4 inch or 5/16 inch on standard toilets, so the threads engage cleanly.

Then check the thread pitch, such as 18 threads per inch. A wrong pitch will not seat properly, and coarse or fine threads must match too. Even a close-looking screw can slip or strip if the pattern does not match, which matters most for heavy daily use.

Measure the existing flange carefully before you buy, or follow the manufacturer’s specifications. A wrong size can leave you with a loose fit, wobbling, or damage to the flange and toilet base.

Bolt Length Requirements

Bolt length needs to match the flange, the toilet base, and the floor. You want enough length to hold everything tight without sticking out too far.

• 2 to 3 inches is the usual range.
• Measure from the flange to the bottom of the toilet before you buy anything.
• Too short can let the toilet shift and wobble.
• Too long can crack the toilet or hit plumbing below.

If the flange height varies, adjustable or longer screws can help you get a secure fit.

Washer And Nut Quality

Washers and nuts do most of the holding, so material matters. In a damp bathroom, stainless steel or reinforced plastic holds up better for long-term use.

A quality washer should form a tight, waterproof seal around the flange. That keeps moisture from seeping through and damaging the floor. Thicker washers with a smart shape spread pressure evenly, which can help prevent cracking the toilet base.

Nuts need sturdy threads and locking features, especially if the toilet gets repeated use. Reinforced or locking nut designs also make tightening easier and reduce stripping or failure. Look for hardware that stays secure under daily wear if you want better stability and a longer-lasting installation.

Flange Type Fit

The screw has to match the flange’s thickness and design so it holds firmly without poking through or leaving gaps. A screw length that suits the flange anchors cleanly without over-penetrating.

Cast iron and PVC flanges often need different screw materials or sizes, so one fastener will not fit every setup. Check whether the flange has pre-drilled holes or mounting brackets, because that affects the screw style you use.

Also match thread size and pitch to the existing holes so the screw bites properly and stays stable. With an adjustable flange, look for hardware that still gives you a snug, wobble-free connection.

Frequently Asked Questions

Can Toilet Flange Screws Work on PVC and Cast Iron Flanges?

Yes, toilet flange screws can work on both PVC and cast iron flanges when you use the right type and length. Corrosion-resistant screws suit PVC, while stainless or brass screws fit cast iron, especially if rust is present. Make sure the screw bites firmly into the subfloor or anchors. If the flange is damaged, repair rings or new anchors may be needed.

How Do I Prevent Toilet Flange Screws From Rusting?

Yes, you can help prevent toilet flange screws from rusting by using stainless steel or brass screws, which resist corrosion better than plain steel. Keep the area dry, seal gaps around the flange, and avoid overtightening so you do not damage protective coatings.

In a damp bathroom, a corrosion-resistant washer or anti-seize can help. Inspect the screws during repairs and replace any that show early rust.

What Screw Length Is Best for Thick Bathroom Flooring?

You’ll usually want 2½ to 3-inch screws for thick bathroom flooring. That length often gives solid bite without being excessive.

If the subfloor and finish layers are extra thick, longer screws can help. Just avoid going too long, since you could hit plumbing below. Stainless steel or coated screws work well, and predrilling may help keep the flange anchored tight.

Should Toilet Flange Screws Be Brass or Stainless Steel?

You should use stainless steel for toilet flange screws in most bathrooms. It resists rust better and holds up well in damp conditions. Brass can also work, but it is softer and may strip more easily.

If you want a stronger, longer-lasting connection, stainless steel fits that need. Brass may suit matching existing hardware or a special installation that calls for a softer metal.

Can I Reuse Old Toilet Flange Screws After Removal?

Short answer: yes, you can, but you probably shouldn’t. Reuse old toilet flange screws only if they are straight, clean, and still grip well. Rust, bending, or damaged heads can cause trouble. New screws usually give a stronger hold and a better seal, especially in damp areas.

If you reuse them, inspect each screw carefully before reinstalling the flange and wax ring. Replace any screw that looks worn or weak.

Conclusion

A solid buy for the best screws for toilet flange should keep the toilet steady and help prevent slow leaks. The right one comes down to corrosion resistance, a snug fit, and enough strength for long-term support.

If you need hardware that can handle moisture well, go with these options. If stability matters most, the right model should fit tightly and hold the toilet steady for years.

A careful match now can save you from wobbling and repairs later.