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uxcell #14 x 3-9/16 in Self-Drilling Screws with EPDM Washers, 100-Pack

Washers Pack: uxcell #14 self-drilling roofing screws pair a hex head with an EPDM washer for fastening thin metal panels. The listing specifies a 3-9/16-inch screw length and a drilling range for 2–6 mm plate thickness, making fit and substrate thickness key checks before purchase.

At a glance

  • Self-drilling point is described as drilling and forming threads in one operation when installed with a power drive tool.
  • Hex washer head includes a metal flange and bonded EPDM washer, intended to help seal the fastening point.
  • Listing identifies thin-metal roofing and steel studs among typical uses, and also mentions metal-to-wood applications.
Price
$49.75Save 20%

Reference price: $62.19

Price checked: Nov 13, 2026

View offerAhead of Black FridayExplore the selection

Often bought together

Pros and cons

Pros

  • 100 screws per listed package suit projects needing a quantity of matching fasteners.
  • EPDM washer beneath the hex flange is designed to provide a sealing surface and help limit damage to the mating material.
  • Self-drilling design can avoid a separate pilot-hole and tapping step in the stated drilling range.

Technical specifications

22 specifications
Identity and quantity
Branduxcell
Pack quantity100
Fastener typeSelf-Drilling Screws
Size and threading
Fastener size#14 x 3-9/16
Thread size#14
Screw length, excluding hex head3-9/16"(90mm)
Thread pitch1.8mm
Thread coverageFully Threaded
Thread typeMetric
Thread styleRight Hand, Fine Thread
Head, point and washer
Head styleHex
Drive systemExternal Hex
Point styleSelf-Drill Point
Hex head size10x5.9mm / 0.39" x 0.23"(Hex WidthxT)
Flange diameter12mm / 0.47"
Washer size16 x 3.5mm / 0.63" x 0.14"(D*T)
Materials and protection
Material listedAlloy Steel, Carbon Steel, Rubber, Zinc
Metal typeCarbon Steel
FinishZinc Plated
ColourSilver
Washer materialEPDM
Application dimensions
Screw drilling range (plate thickness)2-6mm

What to know before buying

Listing details to confirm

The listing's title and detailed specifications describe #14 x 3-9/16-inch screws, while its description gives the length as 3-9/16 inches (90 mm) excluding the hex head. It also calls these both self-drilling and self-tapping, and lists thread type as Metric alongside a #14 thread size. Confirm the intended size and compatibility with the mating material before ordering. The stated drilling range is for plate thicknesses of 2–6 mm.

Who is it for?

A good fit for

  • Roofing and sheet-metal work requiring #14 self-drilling screws with EPDM washers.
  • Buyers fastening thin metal within the stated 2–6 mm plate-thickness drilling range.
  • Projects using a power drive tool and an external hex drive.

Less suited to

  • Buyers needing a screw size or substrate compatibility not confirmed by the listing.
  • Work requiring a specified corrosion-resistance rating or independently verified performance.
uxcell #14 x 3-9/16 in Self-Drilling Screws with EPDM Washers, 100-Pack · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 340 ratings
  • 5 stars68%68%
  • 4 stars20%20%
  • 3 stars6%6%
  • 2 stars3%3%
  • 1 star3%3%

Customer feedback describes the screws as useful and easy to use, with positive impressions of quality, function and value. Buyers also report mixed experiences with drilling performance and durability. For jobs within the listed 2–6 mm plate range, those mixed reports make the intended material and installation conditions important considerations, rather than proving a performance issue for every use.

Positive themes

  • Customers describe the screws as easy to use and suitable for their applications.
  • Customer feedback includes positive views of quality, function and value.

Mixed feedback

  • Feedback is mixed about drilling performance.
  • Feedback is mixed about durability.

Frequently asked questions

How many screws are included?

The listing specifies 100 screws.

What plate thickness does the listing specify for drilling?

It gives a screw drilling range for plate thickness of 2–6 mm. Confirm that this suits the material being fastened.

Does the washer come attached to each screw?

The product description says the EPDM washer is bonded to a metal washer beneath the hex head.

What tool does the listing recommend for installation?

It describes installation with a power drive tool and identifies an external hex drive.

uxcell #14 x 3-9/16 in Self-Drilling Screws with EPDM Washers, 100-Pack · photo 3
Additional product photo 3

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