Galvanized hex head self-drilling (TEK) screw · DIN 7504K · UAE stock
Galvanized hex head self-drilling screw (TEK screw) with a drill point that bores its own hole in metal — no pre-drilling needed. Case-hardened carbon steel to DIN 7504K, with a hex washer head for fast driving. Sizes ST3.5 to ST6.3, drill points No. 2 and No. 3.
Made to self-drilling screw standard
No pre-drilling in metal
Ready inventory, UAE & GCC delivery
Project quantities at best price
A GI hex head self-drilling screw (TEK screw) is a galvanized case-hardened screw with a drill-shaped point that bores its own hole and taps its own thread in metal, eliminating pre-drilling. The hex washer head lets it be driven fast with a nut runner or impact driver.
Hamza Fasteners supplies galvanized self-drilling screws to DIN 7504K from ST3.5 to ST6.3 with No. 2 and No. 3 drill points, for roofing, cladding, steel sheet, purlins and metal framing. Buy self-drilling screws at the best price in Dubai from a trusted galvanized fastener supplier serving the UAE, Saudi Arabia, Qatar, Kuwait, Oman and East Africa.
Dimension reference to DIN 7504K for galvanized hex head self-drilling screws. Confirm exact size, length and drill point for your order.
This datasheet shows one representative size for reference only. The GI Hex Head Self-Drilling Screw is supplied in the full range of sizes, lengths, drill points and finishes — not a single option. Tell us what you need and we will confirm exact availability, drill point and finish and price.
| Diameter (d) | Head Width (s) | Head Height (k) | Drill Point Type |
|---|---|---|---|
| ST3.5 | 5.5 | 2.3 | No. 2 |
| ST3.9 | 7.0 | 2.8 | No. 2 |
| ST4.2 | 7.0 | 2.8 | No. 2 |
| ST4.8 | 8.0 | 3.0 | No. 3 |
| ST5.5 | 8.0 | 3.8 | No. 3 |
| ST6.3 | 10.0 | 4.8 | No. 3 |
| Product Type | Hex Head Self-Drilling Screw |
|---|---|
| Standard | DIN 7504K |
| Material | Carbon Steel (Case Hardened) |
| Finish | Galvanized (GI) / Zinc |
| Head Type | Hex Washer Head |
| Size Range | ST3.5 – ST6.3 |
Sheet to purlin fixing
Metal-to-metal fastening
Sheet metal joining
Wall & roof sheet
Metal assembly
Fast metal fixing
Stocked in Deira, Dubai and delivered fast across the region. Wherever you are building, we supply in stock and project quantities.
Hamza Fasteners is a trusted GI self-drilling screw supplier in Dubai and across the United Arab Emirates — Abu Dhabi, Sharjah and Ajman — with regular export supply to Saudi Arabia (Riyadh, Jeddah, Dammam), Qatar (Doha), Kuwait City, Oman (Muscat) and key East and West African markets including Tanzania (Dar es Salaam), Kenya (Nairobi and Mombasa), Nigeria (Lagos) and Ethiopia (Addis Ababa). Looking for a "GI self-drilling screw supplier near me" or the best hex head TEK screw price in your city? Send us your size list for a same-day quote.
Share the size, length, drill point and quantity. We will confirm stock and send a quick quote with the datasheet and best price.
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