With BigHead products, you get quality assurance that complies with customer expectation. Hall-Fast stocks BigHead Male Unthreaded Nails M7 Loop crafted here in the United Kingdom. The M7 Loop is available in 2 forms, Stainless steel and Mild steel. The product has sizes; thread size 7, with 45° angle and 19mm in length. The attachment process ensures a strong lock to give you piece of mind. The metal fasteners can be embedded by adhesives or welding and other manufacturing methods. At Hall-Fast, we supply a range of BigHead products, be sure to check all our fixings.