To work with multiple sizes of bolts, we use combination wrench. To access hard to reach bolt, we use spanner wrench. To turn Allen key bolts, we use Allen wrench. To insert or remove nuts, we use nut driver. To turn multiple size pipe connections, we use pipe wrench.Apart from hand...
Myriad reasons why the Allen wrench has remained in use even today. The main reason is that it is known as the term for a kind of wrench with a hexagonal head. The wrench design perfectly fits to work with the Allen Screws; that’s why this wrench gets its name. What are hex keys ...