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Roofing self-drilling screws color with bonded EPDM washer


Material Hardened Carbon Steel C1022A Core hardness 300-460HV Surface hardness min 450HV Surface Treatment Zinc plated, Painting. Standard DIN, ASTM Certification ISO9001, CE Non-standards OEM is available if you provide the drawing or samp

Supply Ability:
qingdao port, tianjin port
Payment Terms:
T/T, L/C

Roofing self-drilling screws color with bonded EPDM washer

Material Hardened Carbon Steel C1022A
Core hardness 300-460HV
Surface hardness min 450HV
Surface Treatment Zinc plated, Painting.
Standard DIN, ASTM
Certification ISO9001, CE
Non-standards OEM is available if you provide the drawing or sample
Washer EPDM, Conductive
Drilling point #1
Painted head RAL 1014, RAL 5002, RAL 7004, RAL 3003, RAL 5005, RAL 8017, RAL 3005, RAL 6002, RAL 8019, RAL 3011, RAL 6005, RAL 9003.

Roofing screw is used to fix roof and facade sheet metal to wood elements.It is also used to fix decking to metal construction. To avoid corrosion screw is zinc plated and equipped with frost-proof bonded washer(EPDM)

Company Profile

    Since 2009, MEGA is engaged in producing & sourcing kinds of metal products & other valuable products, serving home, industrial and building materials market.

    Depending on excellent quality and perfect after-sales service, MEGA have gained good reputation from customers all over the world, such as Europe, Russia, Asia, Middle East, Africa, South America and North America.

    MEGA main business scope covers kinds of metal products, such as steel concrete nails, common wire nails, roofing nails, roofing screws, twisted nails, clout nails, shoe tack nails, finishing nails, square boat nails, coil nails, U fencing nails, screw nails, etc. MEGA product was made of superior raw material and advanced technology.

    MEGA quality is according to ASTM standard, ISO9001 and ISO14000, also MEGA products already passed BV inspection, CE certificate & SONCAP certificate.

    MEGA adhere to the management of “Credit and Innovation”, looking forward to building long-term business relations with you.
    MEGA will not only be your reliable supplier also your strategic partners.
    "Customer first, Top quality, Win-win cooperation" is MEGA business purpose.
    MEGA aim to provide you exceptional products and service.
    MEGA is ready to grow up with you together.


Q: Are you trading company or manufacturer ?
A: We are factory and trading together.

Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment normally.

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