Product Description
No.8 A2 Stainless Steel Hex Flange Self-Drilling Tek Screws
No.8 self-drilling Tek screws manufactured from A2 stainless steel with an external hexagon head and integral flange. Suitable for aluminium, plastic, wood and other appropriate soft materials.
Please note: These A2 stainless steel screws will not self-drill steel.
Key Features
- No.8 / ST4.2 tapping thread
- Approximately 4.2mm thread diameter
- Approximately 1.4mm reference thread pitch
- A2 stainless steel construction
- Hexagon head with integral flange
- 7mm reference hexagon drive
- Available in packs from 1 to 1,000
Available Lengths
| Imperial Length | Approximate Metric Length |
|---|---|
| 1/2" | 13mm |
| 5/8" | 16mm |
| 3/4" | 19mm |
| 1" | 25mm |
| 1 1/4" | 32mm |
| 1 1/2" | 38mm |
Length is measured from beneath the flange to the end of the drilling point.
Standards
DIN 7504-K is the traditional standard for hexagon washer-head self-drilling screws. The current replacement is ISO 15480:2019, with BS EN ISO 15480:2019 as the British Standard adoption.
This A2 stainless version should be described as DIN 7504-K style unless manufacturer certification confirms full compliance.
Installation
Use a correctly fitting 7mm socket or nut-setting driver and install at a controlled speed. For steel applications, use a hardened carbon steel or suitable bi-metal self-drilling screw.
Useful Links
- View all hex flange self-drilling screws
- View all self-drilling Tek screws
- No.6 A2 hex flange self-drilling screws
- No.7 A2 hex flange self-drilling screws
- No.10 A2 hex flange self-drilling screws
- No.12 A2 hex flange self-drilling screws
Specifications are intended as a guide. Confirm dimensions and material compatibility before use in critical applications.
