Hex Head Bolts
Part-threaded bolts in grade 8.8, 10.9, 12.9 and stainless.
High-Tensile & SS Fasteners
SDS Self-Drilling Screws
Drill, tap and fasten in one step. Corroshield and BDN.
- Section
- HT & SS fasteners
- Type
- Bolts & screws
Overview
Self-drilling screws (SDS) have a drill point that cuts its own hole and then forms its own thread, so steel sheet can be fixed in one step without pre-drilling.
Hex washer head screws with a bonded EPDM washer seal roofing and cladding against rain. We stock Corroshield and BDN SDS screws, including heavy-duty series for thick purlins.
Specifications
| Head types | Hex washer, wafer, CSK, pan |
|---|---|
| Sizes | 8 g to 14 g; 16 mm to 150 mm |
| Material | Case-hardened carbon steel, SS 410, bi-metal |
| Finish | Corrosion-resistant coatings, zinc |
| Brands | Corroshield, BDN |
Key features
- No pre-drilling
- EPDM sealing washer
- Heavy-duty series for thick steel
Applications
Roofing & claddingPre-engineered buildingsSolar mountingHVAC ducting
Need a size, grade or finish not listed?We also supply special and non-standard parts to drawing.Send enquiry
More ht & ss fasteners
Hex Head Screws (Full Thread)
Fully threaded hex screws for tapped holes and clamping.
Socket Head Cap Screws (Allen Bolts)
Grade 12.9 Allen cap screws from Unbrako and TVS.
Countersunk Socket Screws
90° flat-head socket screws that sit flush with the surface.
Button Head Socket Screws
Low, rounded heads for a neat, safe finish.
Security Fasteners
Tamper-proof screws and nuts that need special drivers.