Self drilling screws supplier, factory direct
Drill, tap and fasten in one step for steel sheet and purlins — no pre-drill on thin gauge.
FACTORY DIRECT · MOQ FROM 1 KG
Self Drilling Screws Supplier & Roofing Screws Manufacturer — Hex Head with Washer · MOQ 1 kg
China self drilling screws supplier and roofing screws manufacturer for corrugated iron roofs, colour steel sheets and steel purlins. Hex head self drilling screw with EPDM washer, ST4.2–ST6.3, zinc or painted. Ask for roofing screws price; MOQ from 1 kg for Africa and Middle East buyers.
Start with the size you know and approximate quantity. Drawings can follow.
Factory directYongnian, Hebei, China
MOQ 1 kgMixed sizes & trial boxes
ST4.2–ST6.3Hex head · with washer
Product selection
Roofing screws manufacturer for corrugated iron and steel sheet
Self-drilling and hex head roofing screws for Africa corrugated roofs and Middle East cladding. Order one size or a mixed list.
01
Self-drilling screws
Self-Drilling Screws
Drill point for steel sheet, roofing and cladding.
Quote this product ↗02
Hex head self-drilling screw
Hex Head Self-Drilling Screw
Roofing screws with washer; hex drive for power tools.
Quote this product ↗WT catalogue images. Confirm the exact product dimensions, material and finish with your quotation.
Build your enquiry
Choose the details you know. Leave the rest for us to confirm.
Standard orders start from 1 kg. Sheet thickness and purlin gauge help us confirm point type and length before production.
Packing and shipping, agreed with your order.
Specify pieces or weight per pack, carton labels and delivery destination. We confirm packing, availability and freight with your quotation.
- Product dimensions, material and finish
- Quantity, accessories and packing
- Supply timing and shipping scope
02 / GET THE DETAILS RIGHT
Match the screw to the sheet.
Pick diameter, length, drill point and washer for the sheet + purlin stack. We confirm coating and packing with the roofing screws price quote.
State sheet thickness, insulation and purlin gauge so length and point type are correct. Painted heads can be matched to common roof colours when specified.
- Head & drive
- Hex washer head (common for roofing); state drive size.
- Diameter & length
- ST4.2–ST6.3 common; lengths such as 19–75 mm and longer by order.
- Point
- Self-drilling (TEK) point matched to steel thickness.
- Washer
- Bonded EPDM / rubber washer for weather sealing when required.
- Material & finish
- Carbon steel; zinc plated, painted or other coatings by specification. Stainless by request.
- MOQ & packing
- From 1 kg; boxes / 25 kg cartons on export pallets.
Roofing / self-drilling screw range
| Type | Sizes | Washer | Finish | Packing |
|---|---|---|---|---|
| Hex head self-drilling (roofing) | ST4.2–ST6.3; lengths by order | With / without EPDM washer | Zinc, painted, by spec | Boxes / 25 kg cartons |
| Self-drilling screws (general) | ST2.9–ST6.3 range by order | Optional | Zinc / by specification | Boxes / 25 kg cartons |
| Stainless options | By order | By order | Natural stainless | By agreement |
Roofing screws price depends on size, coating, washer and quantity. Confirm sheet thickness before ordering.
Company and supply facts
| Item | Detail |
|---|---|
| Company | Hebei Wangtu Metal Products Co., Ltd. (WT Fasteners), founded 2019 |
| Origin | Yongnian District, Handan, Hebei, China |
| MOQ | From 1 kg — trial orders and mixed sizes in one shipment |
| Loading port | Tianjin, China |
| Packing | Boxes or 25 kg cartons on export pallets |
| Contact | [email protected] · WhatsApp +86 159 2620 1780 |
| Common destinations | Lagos, Mombasa, Tema, Durban, Jebel Ali, Dammam, Jeddah |
03 / APPLICATION CONTEXT
For Africa roofs and
Middle East cladding.
Corrugated iron roofing in Nigeria, Kenya and Ghana, and steel cladding in the UAE and Saudi Arabia, use hex head self-drilling screws with washers — packed for long sea routes from Tianjin.
- Corrugated iron roofs
- Colour steel sheets
- Sandwich panels
- Steel purlins
Freight terms and coating colour are confirmed with each quotation.
Discuss your application04 / ORDER WITH THE DETAILS AGREED
Packed for long sea routes
Inner boxes by size, then 25 kg cartons on export pallets. Mixed sizes can share one shipment for wholesalers and roofing contractors.
Roofing screws with washer
Hex head self drilling screw with bonded EPDM / rubber washer for corrugated iron and colour steel roofs.
MOQ from 1 kg for Africa & Middle East
Trial boxes welcome. Roofing screws price quoted per kg, per box or per piece; 25 kg cartons on export pallets.
YOUR RFQ → A CONFIRMED SUPPLY SCOPE
Start with what you know. Confirm the rest together.
- SpecificationDrawing, dimensions, material and finish
- Order detailsQuantity, accessories, packs and labels
- Delivery scopeDestination, timing and required documents
BEFORE YOU ENQUIRE
A few useful answers.
What roofing screw types do you supply?
Hex head self-drilling screws (TEK) with or without bonded washer, and related self-drilling screws for steel sheet, sandwich panels and cladding. Point type, length and coating are confirmed against your sheet thickness.
Which sizes are common for corrugated iron roofs?
Common hex head sizes include ST4.8, ST5.5 and ST6.3 with lengths such as 19–75 mm (and longer by order). Exact length depends on sheet + insulation + purlin thickness.
How is the roofing screws price calculated?
Usually per kg, per box or per piece based on diameter, length, coating, washer and quantity. Send your size list and destination for a current price.
Can you supply for Nigeria, Kenya, UAE or Saudi projects?
Yes. Moisture-resistant export packing from Tianjin is used for African and GCC routes. Zinc, painted or other coatings are quoted to match the climate and sheet colour.
What is the minimum order?
From 1 kg for standard self-drilling / roofing screws, with mixed sizes allowed in one shipment.
YOUR NEXT ORDER
Get a Roofing Screw Quote
Start with the product, the size you know and approximate quantity. Enter your name and either email or phone / WhatsApp. Company, destination and drawing are optional; details can follow.
Roofing & self-drilling screws