571 h allen products are offered for sale by suppliers on Alibaba.com, of which bolts accounts for 28%, hex keys accounts for 1%.
A wide variety of h allen options are available to you, such as steel, chrome vanadium steel and carbon steel.You can also choose from oem, odm and obm h allen,as well as from chrome, natural, and black oxide h allen,and whether h allen is industrial, or diy.