Yes, you can change the thread of a bolt by using a die, which is a tool specifically designed to cut new threads onto a bolt. This process involves securing the bolt in a vise and carefully applying the die to the bolt's shaft, ensuring it is aligned properly. Alternatively, you can replace the bolt with a new one that has the desired thread specifications. However, changing the thread may compromise the bolt's structural integrity, so it's essential to consider the application and load requirements.
Remove belt If you just want to change pulley remove center bolt - it is usually LEFT hand thread If you want to change entire unit remove bolt at spring - usually RIGHT hand thread
UNC stands for "UNIFIED BOLT THREAD COARSE" UNF stands for " UNIFIED BOLT THREAD FINE"
It is a standered fine thread bolt, Grade 8
No it is not. The bolt on the pulley is but the tensioner mounting bolt is a T55 torx bit head with the standard thread (right/tight left/loose).
A thread guide is a tool to measure the number and pitch of threads on a bolt
Right hand thread
He is right. A fine thread would be 1/2-20.
A refers to the external thread of a screw or bolt. B means internal thread, specified for nuts and inserts. For example a 2A bolt uses a 2B nut
general use coarse thread bolt is correct. 1/2 inch bolt. 13 threads per inch.
You will probably have to re-thread unless you can get a SLIGHTLY over sized bolt to thread and seal
A, the half inch bolt has 13 rows of thread in one inch.
Right hand thread