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Best Cabinet Screws For Installing Cabinets and Hardware In 2022

In woodworking there is a specialty screw for every task. And, not surprisingly, when woodworkers reach for the best cabinet screws for installing cabinets there are specialty screws for the job.

Which means NOT using drywall screws or other non-shear strength screws that weren’t design to hold up to the decades of high tension pressure a cabinet screw will bear. 

But along with the right screw, most cabinet installers will also want the right tools, making these options a go-to for professionals:

  • BEST CABINET TO WALL SCREW:  FastCap PowerHead  have a flat head design, square drive and can be covered with FastCap wood stickers.
  • BEST FACE FRAME SCREWS:  GRK TrimHead  hold face frames firmly together and best when paired with a cabinet claw.
  • CABINET CLAW FOR SCREWS:  Pony Cabinet Claw  firmly clamps face frame cabinets for perfect cabinet alignment
  • UPPER CABINET JACK:  FastCap 3rd Hand  holds cabinets at the finished height so you don’t have to.

The bottom line? Spend some time and purchase the right screws AND TOOLS before installing cabinets. You’ll thank yourself after the job is done.

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Warning: Installing cabinets is a high risk project that could involve injury or damage. If you aren’t sure, hire a kitchen professional to do the job for you.

Types of Cabinet Screws

Using Trim Head Screws And Cabinet Claw to Install Cabinets

If drywall screws aren’t acceptable for installing cabinets, then what do professionals use?

Well, a variety of screws is the best answer. Since cabinet to cabinet, cabinet to wall and cabinet box design all come into play there is no single screw.

For a standard kitchen cabinet install you’ll want to have the following on hand:

  • ~100 cabinet to wall screws
  • ~100 cabinet to cabinet screws
  • For face frame cabinets, ~100 trim head screws

Cabinet to Wall Screws

Cabinet to wall installation screws

The heaviest duty cabinet screw is the one that will take the load of the cabinet and its contents. Which makes choosing a screw designed for the weight of cabinets a must.

Features to look for:

  • Aggressive thread for a firm “bite” into the wood.
  • Self-tapping design to penetrate wood without splitting it
  • Large flat head for holding power
  • Shear strength to hold the weight
  • Proper screw length (installers: beware of utilities in the wall)

For this style of screw both FastCap and GRK make a screw specially designed for the job.

Cabinet to Cabinet Screws (Face Frame)

Cabinet to cabinet installation screws

For connecting face frame cabinets together the challenge is always aligning the face of the frames and then removing any gaps.

While you can install screws behind the frame, connecting the face frames creates a stronger connection. 

So why trim head screws? Well, as the name implies they have a very small head that will disappear in the edge of the face frame. For installation be sure to use a cabinet claw .

Cabinet to Cabinet Screws (Frameless or Face Frame)

Cabinet to cabinet installation screws frameless

As you likely know, connecting the cabinet sides together is a must to hide any gaps between the cabinet sides or face frames. 

And, not surprisingly, there are a few custom screws and methods that will let you achieve the best results. In fact, there are three types of screws you’ll want to use depending on the construction of your cabinets.

Cabinet To Cabinet Screws GRK

Cabinet to Cabinet Post Screws (Frameless)

Cabinet to cabinet installation post screws frameless

Post screws have a male and female side that connect from either side of the two cabinets. It’s common to install these in the top and bottom shelf pin holes to blend them in them. 

Tip: while a tight installation usually works, some installers will use Loctite to make these screws hold extremely tight (removable, but essentially locked).

Frameless Cabinet Hinge
Frameless cabinets have a 3/4" sidewall

Connecting Cabinet Frames with Trim Head Screws

Using Trim Head Screws And Cabinet Claw to Install Cabinets

After your first cabinet is installed and the second one is balanced in the air, hopefully on a cabinet jack, you’ll want to use a cabinet claw to secure the frame.

Then, using an extra long 1/8″ drill bit (4-5″ or more) you’ll drill a long hole using the guide bushing on the cabinet claw complete through the first face frame and partially into the next.

Last, you’ll install a trim head screw, like the GRK, at least 1/2″ into the adjacent cabinet or filler strip.

By using a trim head screw directly in the face frame you’ll have maximum control over the grip of the frame. While a cabinet-to-cabinet screw behind the frame can work, it won’t have the same holding power.

Cabinet Hardware Screws

Drawer Slide Screws

It’s surprising to some that you’d even need to consider this type of screw.

After all, the cabinet hardware you just purchased should have came with the right screws. Right?

Unfortunately, I’ve had bad luck with being able to use all the screws (both wood and machine screws) that come with cabinet hardware.

Stock up on machine screws for drawers

Cabinet Handle Screws

After the cabinets are screwed to the wall you’ll likely end up drilling cabinet knob hardware and installing knobs and handles.

And guess what?

There are specific screws for this job as well. After hacking and cutting many machine screws I’ve learned to always have a box or two of 8-32 x 1-1/4 inch  and 8-32 x 1-5/8  machine screws in your toolbox.

Why? Because most custom cabinet fronts are 3/4″, drawer sides are 5/8″ and knobs needing about 1/4″  of screw length a 1-5/8″ machine screw can make the installation smoother. And hardware manufacturers just don’t supply what you’ll need.

Installing drawer slides requires buying your own cabinet screw

Installing drawers requires a mix of skill and the right Rok #8 screws 

In fact, as I found in our guide to the best soft close drawer slides, beyond inadequate drawer slide screws some manufacturers just plain send the wrong screws. 

Lastly, for face frame cabinets you will almost certainly need screws in the frame. And almost all hardwoods will require a pilot hole, best done with a self centering pilot hole bit, to avoid splitting the wood (or worse – breaking the screw). But for the record, I rarely drill pilot holes in softwoods. 

Cabinet Assembly Screws

While most traditional plywood and face frame constructed cabinets are glued and nailed there are uses for cabinet screws in construction. 

Cabinet screws to join melamine and particle board

If you’ve ever assembled IKEA furniture you’ll know what this is about. And, personally, I think their systems for connecting furniture and cabinets is ingenious.

But I still prefer to build plywood cabinets.

So how do you join melamine (aka particleboard) at right angles? With a confirmat head screw, as pictured below:

Confirmat Screws for Melamine

What is a confirmat screw? A confirmat screw is a special cabinet screw that leverages a large thread design suited to particleboard cores and a recessed flat head that can be concealed.

However, to use this type of screw you’ll need to invest in a specialty confirmat countersink .

Frequently Asked Questions for Cabinet Screws

Frequently Asked Questions

How long are screws to attach cabinets to the wall?

While wall construction determines the length most screws are a minimum of 2-1/2″ up to 3-1/2″.

What screws are used to connect cabinets together?

There are three types of screws for connecting cabinets together. Face frame cabinets utilize trim-head screws drilled through the frames. While frameless cabinets use either shorter screws or Chicago bolts to connect the cabinet.

How many screws do I need to install cabinets?

For wall screws plan for 4 wall screws per foot of cabinet and then four screws per cabinet box for connecting cabinets together.

Three Cabinet Screws to Avoid

So I promised three screws you should avoid.

And here they are:

  1. Drywall screws are NOT to be used for installing cabinets. Please, just don’t do it.
  2. Drawer manufacturer screws shouldn’t be counted on – instead buy an appropriate length Rok #8 screw used. And to be clear, I’ll only use manufacturer screws in face frame connection points. Otherwise, what they send just won’t hold up to years of weight and slamming.
  3. Deck/outdoor screws (see #1)

Summary: Cabinet Screws

Hopefully this article was helpful in understanding the subtle differences in screws you’ll need while building and installing cabinets. While not the most exciting purchase, a good assortment of cabinet screws will make an installation go smoother.

And prevent need for future adjustments caused by the wrong screw.

Manufacturer Links

Related Articles

6 thoughts on “Best Cabinet Screws For Installing Cabinets and Hardware In 2022”

  1. When using the GRK Low Profile screws to fasten cabinets to the wall, will they self-countersink so it sits flush with the back of the cabinet? Or do I need to counter sink with a drill bit first? I have an open floating cabinet and I want to use fast caps to conceal the heads of the screws. These screws look like they will not sit flush.

  2. Hi Brandon,

    You are correct: the GRK has a rounded head and will not recess into the wood due to it’s washer head design. I wouldn’t recommend countersinking, but as an alternative you can look at the Fastcap cabinet screw which feature a flat head designed for the Fastcap screw covers. https://amzn.to/37xGPaQ

    Best,
    Eric

  3. Eric,

    I’m having trouble finding a good drill bit for drilling pilot holes for attaching face frames. (You suggested a 4-5 inch long 1/8″ bit). Can you please provide a recommendation for a good bit for this purpose (and an Amazon link if you have it)? I would also love a recommendation (and link) for a countersink bit for these face frame pilot holes.

    Thanks!

    Scott P

  4. Hi Scott –

    You can search Amazon with the ID “B00B1C8OTU” and there’s a 6″ 1/8″ bit there that should work.

    Eric

  5. We recently started a carpentry business and came across this article. We specialize in cabinet building and totally agree with your article. Thanks for the good read.

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