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Will this screw eliminate pre-drilling?Is it safe for treated lumber?How much torque does it require?What is the warranty coverage?Can I use it on vinyl siding?

GRK #8 x 2-1/2-in Polymer Interior Cabinet screws 100 -Per Box

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GRK Cabinet Screws are designed for use in cabinet construction and installation. These screws are small enough to prevent most material splitting while providing strength to guarantee a secure installation and the washer head design presses flush against any material surface for a clean hold.

Built-in washer head presses flush against any material and increases holding power
No-pre-drilling and 1-step application
Zero stripping star drive head (T-15 included)
Thread design reduces installation torque which allows for fast driving and ease of install
A great alternative for exterior use such as vinyl siding and lath applications
Climatek coating is AC257 code approved for use in treated lumber
Limited lifetime warranty

General
Head Type	Round washer	Measure Type	Standard (SAE)
Type	Cabinet screws	Contact Type Allowed	None
Use Location	Interior	Package Quantity	100
Thread Type	Coarse	Manufacturer Color/Finish	Yellow Zinc
Material	Steel	Number of Pieces	100
Finish	Polymer	Point Type	Self-drilling

Dimensions
Length Measurement	2-1/2-in	Package Weight (lbs.)	0.95
Screw Thickness	#8

Features
Drive	Star	Fastener Plating	Zinc
Self-Drilling	Yes	Materials Fastened	Wood to wood
Collated	No	Multi-Material	No
Self-Tapping	Yes	Coated	Yes

Certifications
CA Residents: Prop 65 Warning(s)	No	ACQ Approved	Yes
ACQ Coated	No

Warranty
Warranty	Limited lifetime

Compatibility
For Use on Brick	No	For Use on Concrete	No
For Use on Composite	No	For Use on Drywall	No
For Use on Metal	No	For Use on Wood	Yes
For Use on Vinyl	No	For Use on Plastic	No

Miscellaneous
UNSPSC	31161500

Check out the Best Selling Wood Screws on Lowes.com

Review

4.8 out of 5

562 Reviews

97% Recommend this product

Ratings may include incentivized customer reviews.

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+ 10

What Customers Are Saying

Customers overwhelmingly praise these cabinet screws for exceptional holding power, reliability, and ease of use across woodworking projects. Reviewers consistently highlight superior grip in wood, especially for wall-mounted cabinets and framing, calling them the best fasteners available. The star-drive heads prevent stripping and enable fast driving without predrilling, while flat washer heads provide clean finishes. Many report successful use beyond cabinetry—mounting brackets, securing balusters, and building projects. A few noted minor visual differences in recent purchases, though no performance issues were reported. Overall, customers strongly recommend these screws as their go-to fastener.

Customer review summary generated by AI, including incentivized reviews.

562 Customer Reviews

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Very well

Works very well in many different fastenings including flush mount windows

Bring it togetherOctober 2, 2026
From #8 x 1-1_SLASH_4-in Polymer Interior Cabinet screws 100 -Per Box Verified Purchaser

Was this Review Helpful ?

High quality fasteners.

I use a lot of GRK screws of various types. My preferred fasteners.

RichOctober 1, 2026
From #8 x 1-1_SLASH_4-in Polymer Interior Cabinet screws 100 -Per Box Verified Purchaser

Was this Review Helpful ?

Response from ITW Brands

Hi there, thanks for sharing your positive experience with our Cabinet Screws. We work hard to make sure our products are well designed. We’d love to... Read More

ITW BrandsOctober 1, 2026

Perfect!

Would Recommend

Worked perfect. Pulls cabinets together and holds.

KstatSeptember 29, 2026
From #8 x 1-1_SLASH_2-in Polymer Interior Cabinet screws 100 -Per Box Verified Purchaser

Was this Review Helpful ?

Response from ITW Brands

Hi there, thanks for sharing your positive experience with our Cabinet Screws. We work hard to make sure our products are well designed. We’d love to... Read More

ITW BrandsOctober 1, 2026

Professional

Would Recommend

Always good when you can find the appropriate fastener for the job Looks clean and professional

SnoopySeptember 28, 2026
From #8 x 3-1_SLASH_8-in Polymer Interior Cabinet screws 50 -Per Box Verified Purchaser

Was this Review Helpful ?

Response from ITW Brands

Hi there, thanks for sharing your positive experience with our Cabinet Screws. We work hard to make sure our products are well designed. We’d love to... Read More

ITW BrandsSeptember 29, 2026

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		Name	Current Item GRK#8 x 2-1/2-in Polymer Interior Cabinet screws 100 -Per Box
		Ratings	562
		Length Measurement	2-1/2-in
		Type	Cabinet screws
		Material	Steel
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Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel