We are one of the leading Exporters and Suppliers of the best quality Allen Hex Key. Our Allen Hex Key is in compliance with the international standards and is highly acclaimed for its tough construction, corrosion resistance, accurate dimensions and perfection. We offer Allen Hex Key in varied sizes and specifications for distinctive purposes. Specifications Property class : hardness hrc 47 min.Size range in metric : m1. 5 to m32Size range in inches : 1/16â to ¾â Standards IS : 3082ISO : 2936DIN : 911BS : 4168ANSI : b18. 3. 2mJIS : b4648