What is the length? What size drill bit?

BlackDrive Style: TorxFastener Length (In): 2.5 In.Fastener Plating: NoneFQA Compliant Fastener: YesMaterial: SteelMetric Or SAE: SAEPackaging Type: BoxScrew Name: OtherScrew Style: Metal To MetalScrew Type: Flat HeadSelf Drilling: NoSelf Tapping: NoThread Size: 1/4Package Quantity: 50

Can an impact driver be used to install these screws?

Yes! Pre drilled with 7/32" drill bit and then used a Ridgid impact driver to set the Dorman 370-225 stew into metal through 1/4" pre drilled wood floor planks.

What size torx do you need and is 7/32 but the right size bit?

They take a t30 torx and yes a 7/32 drill bit the screws are 1/4 inch.

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Dorman 370-225 Trailer Floor Screws-Torx-1/4-20 in. x 2-1/2 in., 50 Pack

Product ID: 16123660

Details

Exterior Finish
Black Oxide
Head Style
Torx
Item dimensions L x W x H
4.81 x 3.63 x
Material
Alloy Steel
Thread Size
1/4"-20

⭐T30 Torx star drive for no slip

🔩1/4-20 size precision fit

🛡️Black oxide corrosion resistance

AR$135193

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Description

🔧 Screw it right, screw it tight — the pro’s choice for trailer deck dominance!

PRECISION POWER FIT - Engineered 1/4-20 x 2.5 inch screws for a flawless, secure hold every time.
STAR DRIVE ADVANTAGE - T30 Torx head ensures zero cam-out and effortless installation with the right bit.
EXPERT SUPPORT BACKING - Dorman’s ASE Blue Seal Certified team has your back for any technical questions.
BULK READY FOR BIG JOBS - 50 screws per pack means you’re always stocked for any trailer upgrade or repair.
CORROSION RESISTANT ARMOR - Black oxide coating guards against rust, extending trailer deck longevity.

Dorman 370-225 Trailer Floor Screws are high-strength, 1/4-20 x 2.5 inch Torx star head fasteners designed for trailer deck installation and repairs. Made from durable alloy steel with a black oxide finish, they resist corrosion and prevent stripped threads. Each pack contains 50 screws, optimized for quick, hassle-free mounting with a T30 star bit and a 7/32 pilot hole. Backed by expert ASE-certified support, these screws deliver reliable performance for professional-grade trailer maintenance.

Specifications

ASIN	B0033YHRHE
Best Sellers Rank	#677,265 in Automotive ( See Top 100 in Automotive ) #830 in RV Jacks & Stabilizers
Brand	Dorman
Color	black
Compatible Groove Diameter	0.25 inches
Customer Reviews	4.6 4.6 out of 5 stars (440)
Drive System	Torx
Exterior Finish	Black Oxide
Fastener Size	1/4"-20
Fastener Type	Deck Screws
Finish Types	Black Oxide
Global Trade Identification Number	00019495370406
Head Type	Torx
Included Components	50 Trailer Floor Screws
Item Diameter	0.25 inches
Item Dimensions	4.81 x 3.63 x 2.19 inches
Item Part Number	370-225
Item Type Name	Trailer Floor Screws - Torx 1/4-20 In. x 2-1/2 In. - Black
Item Weight	1.4 pounds
Manufacturer	Dorman Products
Material Type	Alloy Steel
Metal Type	Alloy Steel
Model	370-225
Number Of Items	50
Number of Packs	1
Number of Pieces	50
Outside Diameter	0.25 inches
Part Number	370-225
Screw Head Style	Torx
Screw Point Style	Truss
Set Name	50-Piece Set
Set Screw Thread Type	Torx
Size Name	2.5 inches
Thread Coverage	Fully Threaded
Thread Size	1/4"-20
Thread Style	Right Hand, Fully Threaded, 1/4-20
Thread Type	Unc
UPC	019495370406
Unit Count	50 Count
Warranty Description	Limited Lifetime

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AR$135193

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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