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Best Round Threading Dies

RIDGID 91142 Model 535A Threading Machine, Automatic Pipe Threading Machine with 1.75-Gallon (6.6 liter) Oil Reservoir and Large Chip Tray for Longer Continuous Run, Machine Only - No Die Head or Dies
The high-speed dies can rapidly thread pipes from 1/8 inch to 2 inches (3 mm to 50 mm), bolts from 1/4 inch to 1 inch (6 mm to 25 mm), or larger pipes ranging from 2-1/4 inches to 4 inches (62 mm to 100 mm) when used with a 141 geared threader. Every tool that bears the RIDGID brand is engineered to the same high standards of quality, strength and endurance, as was that first heavy-duty pipe wrench more than 80 years ago. Every tool that bears the Ridgid brand is engineered to the same high standards of quality, strength and endurance as was that first heavy-duty pipe wrench more than 80 years ago. 2 Universal high speed dies are included and sized to cut pipes ranging from 1/2 inch to 3/4 inch (12 mm to 18 mm) and 1 inch to 2 inches (25 mm to 50 mm).
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1/2" - 28 Right Hand Thread Die 1/2 - 28 TPI
Brand new right hand thread die 1/2"- 28 TPI.
Reviews
"This cleaned up my 1/2 -28 threads perfectly."
"This die worked fine, cut sharp, muzzle brake went on perfectly and save yourself some heartache and get the (TAT) threading alignment tool too, the combination is a must for barrel threading...always have patience and do a good job, impatient people screw things up !"
"great product."
"HI QUALITY AND LONG LASTING!"
"I used this to chase some dirty treads on a .22 LR barrel."
"I bought this because of the many good reviews, but I received a 5 hole, 1/2-28 die and the threads would not fit onto a threading alignment tool."
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5/8" - 27 Right Hand Thread Die 5/8 - 27 TPI
Brand new right hand thread die 5/8"- 27 TPI.
Reviews
"Perfect for retreading mic stand."
"very handy fix to dress up damaged mic stands."
"We use this to repair flattened threads on the top of microphone stands."
"Since this die type (27 threads) per inch I need it to be extremely durable and able to work with several feet of 5/8" stock rod."
"Bought this to fix threads on microphone stands."
"This is for the microphone clip end of a mic stand."
"Terrible."
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Best Hex Threading Dies

Century Drill and Tool 97617 Hexagon Metric Die, 12.0 x 1.25
Size: 12.0 x 1.25. Enter your model number to make sure this fits.
Reviews
"You do not need the die holder to make it work, just a cresent wrench or vise grip pliers are fine."
"I get the die to where it seems to be straight but hand pressure doesn't come close to moving it, hit it with more lube and grip it with the pliers and start to turn it. The amount of force needed was significant enough to make me slightly worried so I grabbed my safety glasses, (hard metals can be brittle and I didn't want to risk anything if it shattered under pressure) and kept at it. It stayed pretty straight and finally hit the existing, functional section of threading and I was able to use hand pressure again."
"Slowly turn until it snugs up, then back and forth until it smooths out."
"After buying junk from sears that didn't work then buying dies at auto parts stores with no success I was about to spend $90 for one single die from Snap On until I found this."
"So I saved money for not buying extra tools to get this dye to work."
"I just threaded 12 inches of mild tool steel and it cut quite well."
"Works well for chasing threads."
"It looks like a thread chasing die, not a thread making die."
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Best Two Piece Threading Dies

Greenfield Threading 423055 Die System Complete Assembly, 1" - 8 #5, Carbon Steel, Uncoated (Bright) Coating, Right Cut, 2-Piece
Die construction: two-piece die set complete assembly. Die style: two-piece die system.
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