An these be used as stitching screws

They are really for metal to wood, but i have used them for stitching. Stitcher screws are smaller in length and thread size and are designed for metal to metal. I use the proper designed ones for stitching.

Can these be screwed into rawl plugs?

I would say yes but that is not what we used them for. We screwed them into wood to hold aluminium sheets down and for that they have done a superb job.

What's the diameter of the aluminium flange?

The flange under the hex head is 12mm dia, then there is a seperate 16mm dia washer.

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TechFast Sheet to Timber Roofing Screws | 6.3 x 32mm | Elementech | Bag 100

TechFast Sheet to Timber Roofing Screws | 6.3 x 32mm | Elementech | Bag 100

Product ID: 51799902

Details

Material
Alloy Steel
Head style
Hex
Item dimensions L x W x H
20 x 155 x 235
Exterior finish
Elementech
Thread size
Threaded

⏱️Self-drilling T17 Gash Point for rapid install

⚙️6.3 x 32mm precision size

🛡️Elementech corrosion & fire resistant coating

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MX$1352

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Screw it right, screw it fast—roofing redefined!

PERFECT SEAL - 16mm EPDM rubber washer ensures weather-tight roofing
BUILT TO LAST - Salt spray tested 1000+ hours for unbeatable corrosion resistance
PRECISION FIT - Optimized for steel thickness 0.5-1.2mm—engineered for flawless fastening
TRUSTED QUALITY - 4.6-star rated by 1,000+ pros who demand reliability
EFFORTLESS SPEED - No pre-drilling needed—save time on every project

TechFast Sheet to Timber Roofing Screws (6.3 x 32mm) by Elementech deliver rapid, no-pre-drill installation with a self-drilling T17 Gash Point. Featuring a durable 16mm EPDM rubber washer and corrosion-resistant Elementech coating salt spray tested to 1000 hours, these screws are engineered for steel thicknesses from 0.5 to 1.2mm. Trusted by professionals for fire resistance and compliance with EU safety standards, this pack of 100 screws ensures a secure, weather-tight roofing solution.

Reviews

S**N

Roofing self tappers

Ideal self tappers not one has failed so far whilst doing roofing work

12.08.2025

P**R

Amazing quality

Very easy to use. Made the build very easy and quick.

9.06.2026

R**A

Good

Excellent👍

9.06.2026

A**R

Recommend

work fine - good tight fit with an impact driver - washers provide watertight seal on roof that was leaking

21.03.2025

S**B

Quality and good value

Top quality and fast delivery

21.03.2025

A**R

As required

Great

19.12.2025

B**N

Great, sharp bolts that are great at cutting through sheet metal

I ordered these to mount some metal roofing panels and have been really pleased and satisfied at the sharpness of the bolts for cutting through the sheets. The rubber seal is a great bonus as it saves the hassle of waterproofing them. Highly recommended

15.07.2024

K**S

Self drilling screws

Bought with roof sheets so glad made my life so easy right tool for job

23.04.2025

D**A

Economico

Barato

13.03.2026

M**O

Spedizione velocissima

Ordinata alla sera al pomeriggio del giorno dopo erano a casa, di domenica. Le viti hanno una seria guarnizione che proteggerà gli strati sottostanti dalle intemperie. Contento ottimo acquisto !

7.09.2021

S**E

Facile d'utilisation

Excellent produit. Facile d'utilisation.

21.11.2023

M**L

Son tornillos de buena cajidad

Lo recomiendo

18.11.2020

C**N

Satisfait

Très bien

4.07.2021

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MX$1352

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In stock

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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 Mexico.

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Exterior finish	Elementech
Head style	Hex
Item dimensions L x W x H	20 x 155 x 235 millimetres
Material	Alloy Steel
Point style	Type 17 Point
Thread size	Threaded

TechFast Sheet to Timber Roofing Screws | 6.3 x 32mm | Elementech | Bag 100

Details

Details

Description

Specifications

Reviews

Common Questions