5.5 x 55mm Hexagon Self-Drilling Screws Heavy Section Steel – (No Washer) – Bi-Metal Exterior – For 3.5-12.5mm Steel Thickness
£0.53 - £0.67
Excluding VAT (If price is per 100, you can still order any quantity)
SKU: 83004.055.055
Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body
Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole.
Thread length does not include screw head
Light gauge screws have a drilling capacity of 3.5 – 12.5mm
Super hard and sharp carbon steel drill tip gives consistent, accurate drilling

Available
Product Code: BMH55
| Corrosion Rating (1-5) | 4 – Urban & industrial areas with a moderate salt atmosphere |
| FW Ø (mm) | 11 |
| Size (mm) | 5.5 x 55 |
| Finish | Exterior (Silver Organic) |
| Head Type | Hex |
| Material | Bi-Metal/A2-304 Stainless Steel/Carbon Steel |
| Substrates | Steel |
| Pack Type | Box |
| Effective Thread L (mm) | 34 |
| Type | For Heavy Section Steel |
| Socket Size (mm) | 8 |
| Thread Type | Metric with V Flutes |
| MOQ | 1 |
| Point Type | Self-Drilling No.5 |
| MDT (mm) | 12 |

