Good Morning, The screws do not corrode. For more information, please follow the link below: https://uk.onduline.com/en/diy/products/screws Kind Regards, Onduline

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ONDULINE SCREWS - BLACK (100 PACK)

Q: Different lengths? After 30mm.

Good Afternoon, This item is only available in a 60mm length. Kind Regards, Onduline Team

Q: are they self tapping or do I have to pre-drill the roofing sheet and timber first?.. thanks

Hi, You do not need to pre-drill the roofing sheet first. Kind Regards, Onduline

Q: Do you do these in a longer length ? Say 100mm

The ones I bought are approx 65mm there may be longer ones

Product ID: 53222267

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Details

Material
Carbon Steel
Head style
Pan
Exterior finish
Stainless
Point style
Flat Point
Metal type
Alloy Steel

🔩100 screws per pack

🖤Black low-profile Philips head

🛡️Corrosion-resistant coating

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Guttapral K10 Corrugated Bitumen roof Sheet (950 x 2000) - Black

Description

🛠️ Secure your roof with style and strength – don’t let your project settle for less!

BULK PACK EFFICIENCY - 100 screws per pack means you’re always ready to tackle any roofing project without delay.
DURABILITY MEETS STYLE - Black low-profile Philips head blends sleekly with your roofing for a professional finish.
SMART SEAL WATERPROOF HEAD - Innovative colored seal system locks out moisture for lasting protection.
CORROSION RESISTANT COATING - Built to withstand harsh weather and prevent rust, ensuring longevity.
PRECISION ENGINEERED FOR ONDULINE SHEETS - Perfectly tailored screws for a rock-solid, weatherproof roof fastening.

ONDULINE SCREWS (100 pack) are premium carbon steel fasteners designed specifically for ONDULINE corrugated roofing sheets. Featuring a black low-profile Philips head with a Smart Seal waterproof system and corrosion-resistant coating, these 3.9mm x 60mm screws ensure a durable, secure, and weatherproof hold for professional and DIY roofing projects.

Specifications

Manufacturer	ONDULINE
Part number	USRBL-UNIVERSAL SCREW
Item Weight	500 g
Item model number	842004F
Size	6.3 x 60mm
Colour	BLACK
Finish	Black(Stainless Steel)
Material	Carbon Steel
Shape	Helix
Item Package Quantity	1
Number of Pieces	100
Head Style	Pan
Cutting Diameter	3.9 Millimetres
Batteries included?	No
Batteries Required?	No
Item diameter	3.9 Millimetres

Have a Question? See What Others Asked

Different lengths? After 30mm.

are they self tapping or do I have to pre-drill the roofing sheet and timber first?.. thanks

Do you do these in a longer length ? Say 100mm

do they corrode

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