Self-Drilling Screws
Hex washer and pan head self-drilling screws for sheet metal and roofing, zinc or Dacromet coated, sold by the box of 1,000.
Options and prices
| Ref. | Size (mm) | USD range per box | Minimum order |
|---|---|---|---|
| LY1303-1 | 4.2x19 | 5 - 8 | 100 box |
| LY1303-2 | 4.8x32 | 7.00 - 10.50 | 100 box |
| LY1303-3 | 5.5x25 | 9.00 - 13.50 | 100 box |
| LY1303-4 | 5.5x50 | 13 - 19 | 100 box |
| LY1303-5 | 5.5x76 | 19 - 27 | 100 box |
| LY1303-6 | 6.3x50 | 20 - 28 | 100 box |
FOB Ningbo / Shanghai, per box of 1,000. Indicative market ranges in USD, not offers. A written offer or proforma fixes price, specification and terms. Indicative prices, updated November 2026.
Case-hardened carbon steel self-drilling screws with a drill-point tip for steel sheet, purlins and roofing. Buyers are roofing contractors, cladding installers and hardware wholesalers. Price follows diameter, length, head type, coating (zinc, Dacromet, bonded EPDM washer) and drill capacity. Chinese plants dominate volume at a fraction of Taiwanese cost. Packed in boxes of 1,000 and shipped by pallet or full container.
Specifications
| Standard | DIN 7504 / DIN 7981, ISO 15480 |
|---|---|
| Material | C1022 carbon steel, case hardened |
| Drill point | Type 2 to 5, drilling 1.5 to 12 mm steel |
| Coating | Zinc, Ruspert, Dacromet, bonded EPDM washer |
| Head | Hex washer, pan, wafer, countersunk |
| Packing | 1,000 screws per box, 12 boxes per carton, about 1,800 cartons per 40' HC. |
| Typical origins | China, Taiwan, Türkiye, India |
Trade terms
- Price basis: FOB Ningbo / Shanghai, per box of 1,000
- Payment: Telegraphic transfer (T/T), Letter of credit (L/C)
- Minimum order: 100 box
- Lead time: 20-35 days