Product Description: Wafer Tek Screws (10 × 16 mm & 10 × 22 mm)
Overview
Wafer Tek Screws—also known as mushroom-head or wafer-head self-drilling screws—are designed for efficient fastening of metal, especially roofing or sheeting, without requiring pilot holes. These screws feature a flat, low-profile head and a cutting drill-tip for streamlined installation.
** Key Features & Specifications**
| Feature | Details |
|---|---|
| Head Style | Wafer (mushroom-style), for low-profile, neat finish |
| Drilling Capability | Self-drilling tek point—eliminates need for pre-drilling |
| Material & Finish | Hardened carbon steel with zinc plating and yellow passivation (CL 3), for corrosion resistance |
| Standards | Complies with DIN 7504‑M‑H standard (mushroom-head self-drilling) |
| Thread Size | Nominal #10 (approx. 4.8 mm), coarse pitch |
| Availability | Commonly available in 10 × 16 mm and 10 × 22 mm sizes; sold in bulk like 100 or 500-unit packs |
| Applications | Ideal for securing roofing profiled sheet, metal to wood/metal fixings—useful for signage, metal fixtures, or corrugated sheeting |

