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In order to obtain the Best Round Threading Dies (2021), our dynamic platforms and gurus have taken many factors into account such as product fitness for use, user-friendly features and give customer satisfaction, deficiency-free, conformity of standards, worthiness-for-money, reliability, robustness, quality conformance to user requirements and regulations, health and safety, real customer satisfaction and lots of others. It is worth to mention that each user has different needs so please consider the ranking below as a guideline and not as a gospel. Nonetheless, in the below ranking you can definitely find the overall best ones despite your needs.

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Best Round Threading Dies

Best Choice No. 1
Utoolmart M7 X 1.0 Metric Round Die Left-Hand Thread Machine Die, 45mm OD Round Threading Die Alloy Steel 1 Pcs
Utoolmart M7 X 1.0 Metric Round Die Left-Hand Thread Machine Die, 45mm OD Round Threading Die Alloy Steel 1 Pcs
  • Thread size: M7 X 1.0;Outer diameter: 25mm
  • Solid round dies are suitable for general purpose threading. Ideal for maintenance and repair work
  • Round Threading Dies are perfect for re-threading existing threads in hard materials like metal
  • Round Dies are good for making new threads in softer material such as plastic
  • etched on the surface for easy identification. Ideal for maintenance and repair work
$11.91
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SaleBest Choice No. 2
Groz Professional Die Stock Holder | Suitable for 1-1/2 inch Round Dies | All Steel Construction (09113)
Groz Professional Die Stock Holder | Suitable for 1-1/2 inch Round Dies | All Steel Construction (09113)
  • All steel construction
  • Handle has knurled ends with black powder coated finish
  • Suitable for round die size: 1-1/2 inch
  • 12-3/8 inch Length
$13.93 −$0.63 $13.30
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Best Choice No. 3
Drillco 3000E Series High-Speed Steel Adjustable Round Split Threading Die, Uncoated (Bright) Finish, 2' Diameter, 1' - 8 UNC
Drillco 3000E Series High-Speed Steel Adjustable Round Split Threading Die, Uncoated (Bright) Finish, 2″ Diameter, 1″ – 8 UNC
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • The round split adjustable Die may be adjusted through the screws on the holder
  • Adjustment on the open type is done by turning the three screws on the holder
  • A Die holder or handle is needed for proper operation of round split adjustable Dies
$27.89
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Best Choice No. 4
uxcell 7/16'-20 UNF Round Die, Machine Thread Right Hand Threading Die, Alloy Tool Steel, 2pcs
uxcell 7/16″-20 UNF Round Die, Machine Thread Right Hand Threading Die, Alloy Tool Steel, 2pcs
  • Round Die: Thread size: 7/16″-20 UNF; outside diameter (OD): 30mm / 1.2″; Thickness: 11mm / 0.43″; accuracy class: 6g. Made of alloy tool steel, hardness and wear-resistance.
  • Application: Round dies are suitable for general purpose threading. Can process, correct or clean the external threads. Great for maintenance and repair work.
  • Features: Conical locking hole, strong locking and not loose. Perfect for re-threading existing threads in hard materials like metal and making new threads in soft material such as plastic.
  • Easy To Use: The positioning groove of the die should be aligned with the fastening screw in the middle of the die wrench, and the screw should be inserted into the slot of the die and tightened.
  • Tips: It needs to be reversed every 1/4~1/2 turn to facilitate the chip discharge from the chip hole. Suitable lubricating oil should be added to the cutting edge of the die when tapping the thread.
$11.49
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SaleBest Choice No. 5
uxcell 5/8'-24 UNEF Round Die, Machine Thread Right Hand Threading Die, Alloy Tool Steel
uxcell 5/8″-24 UNEF Round Die, Machine Thread Right Hand Threading Die, Alloy Tool Steel
  • Round Die: Thread size: 5/8″-24 UNEF; outside diameter (OD): 38mm / 1.5″; Thickness: 10mm / 0.4″; accuracy class: 6g. Made of alloy tool steel, hardness and wear-resistance.
  • Application: Round dies are suitable for general purpose threading. Can process, correct or clean the external threads. Great for maintenance and repair work.
  • Features: Conical locking hole, strong locking and not loose. Perfect for re-threading existing threads in hard materials like metal and making new threads in soft material such as plastic.
  • Easy To Use: The positioning groove of the die should be aligned with the fastening screw in the middle of the die wrench, and the screw should be inserted into the slot of the die and tightened.
  • Tips: It needs to be reversed every 1/4~1/2 turn to facilitate the chip discharge from the chip hole. Suitable lubricating oil should be added to the cutting edge of the die when tapping the thread.
$11.39 −$1.40 $9.99
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Best Choice No. 6
GBJ- 13/16'- 20UNEF Round Threading Die HSS 13/16-20 UNEF Machine Right Hand Thread Die Diameter 20.6mm (13/16-20UNEF)
GBJ- 13/16″- 20UNEF Round Threading Die HSS 13/16-20 UNEF Machine Right Hand Thread Die Diameter 20.6mm (13/16-20UNEF)
  • Thread Type: Unified National Extra Fine Thread (UNEF)
  • Application: Cutting Tools & Consumables, arbon steel,alloy steel and cast iron hole processing etc
  • High speed steel (HSS) provides good wear-resistance
  • Can be used in general purpose applications for both ferrous and non-ferrous materials
  • Package includes: 1PC x 13/16″-20 UNEF Round Die
$23.90
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Best Choice No. 7
uxcell M18 X 1.5 Metric Round Die, Machine Thread Left Hand Threading Die, Alloy Steel
uxcell M18 X 1.5 Metric Round Die, Machine Thread Left Hand Threading Die, Alloy Steel
  • Round Die: Thread size: M18 X 1.5; outside diameter (OD): 45mm / 1.8″; Thickness: 14mm / 0.55″; fine grinding. Made of alloy steel, hardness and wear-resistance for long service life.
  • Application: Round dies are suitable for general purpose threading. Can process, correct or clean the external threads. Great for maintenance and repair work.
  • Features: Conical locking hole, strong locking and not loose. Perfect for re-threading existing threads in hard materials like metal and making new threads in soft material such as plastic.
  • Easy To Use: The positioning groove of the die should be aligned with the fastening screw in the middle of the die wrench, and the screw should be inserted into the slot of the die and tightened.
  • Tips: It needs to be reversed every 1/4~1/2 turn to facilitate the chip discharge from the chip hole. Suitable lubricating oil should be added to the cutting edge of the die when tapping the thread.
$19.89
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Best Choice No. 8
Greenfield Threading 423005 Plug Tap and Adjustable Round Die Set, 32, HSS/Carbon, Uncoated (Bright) Coating, Right Cut, 47-Piece
Greenfield Threading 423005 Plug Tap and Adjustable Round Die Set, 32, HSS/Carbon, Uncoated (Bright) Coating, Right Cut, 47-Piece
  • Thread form: unc/ unf/ npt
  • Tap and die set: 47-piece
  • Size: 4-40 unc to 7/8-14 unc, 1-14 uns and 1/8-27 npt
  • Set sizes: 21
  • Set pieces: 47
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Best Choice No. 9
uxcell M14 X 1.5 Metric Round Die, Machine Thread Left Hand Threading Die, Alloy Steel
uxcell M14 X 1.5 Metric Round Die, Machine Thread Left Hand Threading Die, Alloy Steel
  • Round Die: Thread size: M14 X 1.5; outside diameter (OD): 38mm / 1.5″; Thickness: 14mm / 0.55″; fine grinding. Made of alloy steel, hardness and wear-resistance for long service life.
  • Application: Round dies are suitable for general purpose threading. Can process, correct or clean the external threads. Great for maintenance and repair work.
  • Features: Conical locking hole, strong locking and not loose. Perfect for re-threading existing threads in hard materials like metal and making new threads in soft material such as plastic.
  • Easy To Use: The positioning groove of the die should be aligned with the fastening screw in the middle of the die wrench, and the screw should be inserted into the slot of the die and tightened.
  • Tips: It needs to be reversed every 1/4~1/2 turn to facilitate the chip discharge from the chip hole. Suitable lubricating oil should be added to the cutting edge of the die when tapping the thread.
$15.19
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Best Choice No. 10
Aexit 38mm Outside Dies Dia 10mm Thickness G 1/4' Round Thread Die Round Threading Dies Hand Tool
Aexit 38mm Outside Dies Dia 10mm Thickness G 1/4″ Round Thread Die Round Threading Dies Hand Tool
  • Product Name : Round Thread Die;Material : Steel
  • Nominal Diameter : G 1/4″;Thickness : 10mm/0.4″
  • Outside Diameter : 38mm/1.5″;Color : Gray
  • Net Weight : 54g
  • Package Content : 1 x Round Thread Die
$8.15
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