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Thread tools help you restore the threads in engine blocks, heads and other components before final assembly. A thread chaser is designed to clean existing threads rather than cut new ones. It clears out old thread locker, sealant, carbon and light corrosion without removing healthy metal. Clean threads matter because dirt or damage adds friction. That friction can throw off torque readings and leave fasteners with uneven clamping force. Builders often chase threads during a rebuild or before installing new studs and bolts.
Right now we have 1 thread tool in stock, from ARP. It is the ARP M8 x 1.25 Thread Cleaning Chaser Tap, intended for cleaning metric threads of that size and pitch.
Confirm the thread size and pitch of the hole before you start, and do not mix metric and SAE tools.
Use a chaser to clean existing threads, and save cutting taps for repairing or creating threads.
Clear out debris and use a suitable lubricant as you work.
Follow the fastener maker's assembly and torque guidance once the threads are clean.
To see what works for your build, pick your vehicle.
Thread tools help you restore the threads in engine blocks, heads and other components before final assembly. A thread chaser is designed to clean existing threads rather than cut new ones. It clears out old thread locker, sealant, carbon and light corrosion without removing healthy metal. Clean threads matter because dirt or damage adds friction. That friction can throw off torque readings and leave fasteners with uneven clamping force. Builders often chase threads during a rebuild or before installing new studs and bolts.
Right now we have 1 thread tool in stock, from ARP. It is the ARP M8 x 1.25 Thread Cleaning Chaser Tap, intended for cleaning metric threads of that size and pitch.
Confirm the thread size and pitch of the hole before you start, and do not mix metric and SAE tools.
Use a chaser to clean existing threads, and save cutting taps for repairing or creating threads.
Clear out debris and use a suitable lubricant as you work.
Follow the fastener maker's assembly and torque guidance once the threads are clean.
To see what works for your build, pick your vehicle.
