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Specialty Tools - Engine - Thread Chasers
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7-Piece Master Thread Chaser Set
Coverage for Most Automotive Thread Repair Applications
The ARES 7-Piece Master Thread Chaser covers a variety of thread repair sizes: M10 x 1.00/M14 x 1.25 combo tool, M12 x 1.25 and M18 x 1.5 for O2 sensors, M14 x 1.25 standard and M14 x 1.25 limited access long length for spark plugs, and M20 x 1.5 and M22 x 1.5 for NOx and soot sensors. Made of heat-treated carbon steel with a manganese phosphate finish, each single-application chaser features a square drive for use with ratchets and a durable storage case to neatly and conveniently stores tools.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. -
M14 x 1.25 Limited Access Spark Plug Thread Chaser
Low Profile Design for Spark Plug Thread Repair in Obstructed Spaces
The ARES M14 x 1.25 Limited Access Spark Plug Thread Chaser Tool offers superior versatility for spark plug thread repair. Made of premium heat-treated carbon steel with a black manganese phosphate finish for increased durability, longevity, and corrosion resistance, this thread chaser features a 3/8-inch square drive for use with ratchets and other drive tools, and a thin profile circular drive end to repair spark plugs that require M14 x 1.25 thread chasers in spaces with limited access.
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M18 x 1.5mm Oxygen Sensor Rethread Tool
Clean Oxygen Sensor Hole Threads Easily
The ARES Oxygen Sensor Rethread Tool allows you to re-tap oxygen sensor threads easily to straighten damaged threads and prevent future cross-threading. This versatile tool can be used with a 3/8-inch hex socket or 3/8-inch square drive ratchet and makes it easy to keep your vehicle running smoothly.
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M22 x 1.5 & M20 x 1.25 Combo Thread Chaser Tool
Double-Ended Combo Thread Chaser for NOx Sensor and Soot Sensor Coverage
The ARES M22 x 1.5 & M20 x 1.25 Combo Thread Chaser Tool features two thread chaser sizes for superior versatility and coverage. Made of premium heat-treated carbon steel with a corrosion-resistant black manganese phosphate finish for increased durability, longevity, and corrosion resistance, this double-ended combo thread chaser reduces clutter and provides size coverage for accessing and repairing nitrogen oxide sensors and soot sensors that require M22 x 1.5 and M20 x 1.25 thread chasers.
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76-Piece Master Ratcheting Tap and Die Set
Create and Repair Screw Threads with Ease
The ARES 76-Piece Master Ratcheting Tap and Die Set includes the following: 34 taps, 34 dies, one die chuck, one hex key, and one screwdriver. Also included are a rod bar, SAE and metric thread pitch gauges, a stepped tap chuck, a ratcheting 72-tooth T-wrench, all in a durable case with tap holders. Constructed of high-quality bearing steel with titanium coating on each tap and die that comes in 18 SAE and 16 metric sizes, this set is perfect for repairing external and internal threads.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. -
M12 Back Tap Thread Repair Tool
Collapsible Design Easily Repairs Threads From Inside Out
The ARES M12 Back Tap Thread Repair Tool features a compact design with an overall length of 4-3/4” (121mm) and a thread spec of M12 x 1.25mm. Made of premium heat-treated chrome moly steel with a zinc plating finish, its collapsible back-tap design repairs threads from the inside out, preventing metal shavings from entering the combustion chamber. This tool also has a knurled thumb nut for sturdy grip and is perfect for O2 sensor bungs and small engine applications that utilize M12 spark plugs.
Gunter
2025-08-16 20:37:41
Just bought a used car to discover the oil drain hole and plug threads were damaged, but not completely stripped. I did some YouTube research and decided to try a "thread chaser" before a "thread tap". What I learned is the "thread chaser" is less aggressive and is more suitable for repairing damaged threads. A "thread tap" is more suitable when the threads are completely damaged/stripped and you need to cut new threads.I confirmed the diameter and pitch of the oil drain plug and purchased this thread chaser. Oil was still dripping from the drain hole as I was using the chaser. The dripping oil kept the thread chaser lubricated while I was using it and pushed debris out of the oil pan.I started the thread chaser by hand until I could tighten it no further. Then I used a socket and tightened 1/2 turn and then backed out 1/4 turn. I repeated this process several times and then backed the chaser out all the way to remove any debris. I didn't want debris getting into the oil pan. I repeated the above process many times until all the threads of the thread chaser disappeared into the oil pan. I then replaced the thread chaser with the oil drain plug. The oil drain plug screwed into the oil pan perfectly with almost zero play. I then torqued the oil drain plug to factory specs. After several days, the oil drain plug is still on tight and not dripping any oil.
Hernan
2025-08-13 10:37:15
I got this to "clean" the thread of a spark plug hole after removing another one. I added a little bit of white lithium grease for lubrication and to keep any metal debris from falling inside the cylinder. It worked like a charm! Definitely saved the day!
Glenn
2025-07-29 20:55:14
I think some of these other reviews may be expecting miracles out of beyond repair situations.If you're grounded in reality, this inexpensive thread chaser will be useful and last for several projects if used properly.
David S
2025-07-11 16:58:18
I purchased this to chase the spark plug on my Subaru H6 middle plug. The spark plugs on these engines (like most now) are buried deep into the head. After lifting the engine up enough to clear the frame, I was able to get a clear path to chase the threads. Unfortunately, there were no threads left to clear up due to PO running engine with plug only retained by coil pack. The clearance of this design is perfect, I just can't verify how effective it would work on less damaged threads.
luvpontiacs
2025-06-13 11:38:43
Cheaper then buying a new exhaust manifold. Worked well
Edward M.
2025-04-27 13:29:45
works goodexactly what I needed
Wally
2025-04-19 11:09:29
Worked like a charm .Easy to use
James E. Trogden III
2025-03-14 18:50:58
Used this to clean up spark plug holes on 1988 Nissan D21 Hardbody 3.0L V6 SOHC. Truck had been sitting for a good while and the plugs hadn't been out in who know how long so the holes were pretty corroded. Originally tried using the spark plugs to clean the threads. Waste of time. Spend the $15 and get this tool. It has clean out slots similar to a tap and works well. I used some WD-40 with mine and it only took a couple minutes per hole to have them back to very good condition. Uses 3/8 drive ratchet or extension which is convenient.
Roy williams
2025-02-28 12:45:05
Worth the money
Guillaume Gagne
2025-02-17 17:47:30
Works great
Customer
2025-01-25 15:59:47
As described, great value.
Customer
2024-11-29 11:16:11
price was good but could be a better thread cutter
big b
2024-11-24 17:56:33
this worked good fixed the spark plug threads on my snowblower so i could put a new plug in
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