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
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 |