• Korloy Threading Insert National Pipe Thread (NPT) Internal
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Korloy Threading Insert National Pipe Thread (NPT) Internal

Korloy Threading Insert National Pipe Thread (NPT) Internal

Full profile threading inserts for National Pipe Thread (NPT) threads, internal machining.

Key features

  • Laid-down 3-edge threading insert for internal threading
  • Precision-ground profile for high-quality thread surface finish
  • Right- and left-hand versions
  • Grades: PC5030T (universal PVD), PC3030T, PC9070T, PC5300
  • Applicable holders: IR(L)H / IR(L)H-C

Specifications

Thread standard National Pipe Thread (NPT)
Profile Full profile
Thread type Internal
Insert type Laid-down threading insert
Type Internal
IR11-27NPT Type: Internal | Hand: Right | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IR11-18NPT PC3030T Type: Internal | Hand: Right | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grade: PC3030T | Stock: Yes
IR11-14NPT PC3030T Type: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grade: PC3030T | Stock: Yes
IR11-14NPT PC9070T Type: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grade: PC9070T | Stock: Yes
IR16-27NPT Type: Internal | Hand: Right | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IR16-18NPT Type: Internal | Hand: Right | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IR16-14NPT PC3030T Type: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.9 | PDX (mm): 1.2 | Grade: PC3030T | Stock: Yes
IR16-14NPT PC9070T Type: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.9 | PDX (mm): 1.2 | Grade: PC9070T | Stock: Yes
IR16-11.5NPT PC3030T Type: Internal | Hand: Right | Threads per inch (TPI): 11.5 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.64 | PDY (mm): 1.1 | PDX (mm): 1.5 | Grade: PC3030T | Stock: Yes
IR16-11.5NPT PC9070T Type: Internal | Hand: Right | Threads per inch (TPI): 11.5 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.64 | PDY (mm): 1.1 | PDX (mm): 1.5 | Grade: PC9070T | Stock: Yes
IR16-8NPT PC3030T Type: Internal | Hand: Right | Threads per inch (TPI): 8 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 2.42 | PDY (mm): 1.3 | PDX (mm): 1.8 | Grade: PC3030T | Stock: Yes
IL11-27NPT Type: Internal | Hand: Left | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL11-18NPT Type: Internal | Hand: Left | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL11-14NPT Type: Internal | Hand: Left | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-27NPT Type: Internal | Hand: Left | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-18NPT Type: Internal | Hand: Left | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-14NPT Type: Internal | Hand: Left | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.9 | PDX (mm): 1.2 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-11.5NPT Type: Internal | Hand: Left | Threads per inch (TPI): 11.5 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.64 | PDY (mm): 1.1 | PDX (mm): 1.5 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-8NPT Type: Internal | Hand: Left | Threads per inch (TPI): 8 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 2.42 | PDY (mm): 1.3 | PDX (mm): 1.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
Threading InsertsKorloy
19 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Korloy Threading Insert National Pipe Thread (NPT) Internal

Brand Korloy·Threading Inserts

Available part numbers (19)

IR11-27NPT, IR11-18NPT PC3030T, IR11-14NPT PC3030T, IR11-14NPT PC9070T, IR16-27NPT, IR16-18NPT, IR16-14NPT PC3030T, IR16-14NPT PC9070T, IR16-11.5NPT PC3030T, IR16-11.5NPT PC9070T + 9 more — see full table ↓

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Send the Korloy part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
IR11-27NPTType: Internal | Hand: Right | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IR11-18NPT PC3030TType: Internal | Hand: Right | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grade: PC3030T | Stock: Yes
IR11-14NPT PC3030TType: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grade: PC3030T | Stock: Yes
IR11-14NPT PC9070TType: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grade: PC9070T | Stock: Yes
IR16-27NPTType: Internal | Hand: Right | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IR16-18NPTType: Internal | Hand: Right | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IR16-14NPT PC3030TType: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.9 | PDX (mm): 1.2 | Grade: PC3030T | Stock: Yes
IR16-14NPT PC9070TType: Internal | Hand: Right | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.9 | PDX (mm): 1.2 | Grade: PC9070T | Stock: Yes
IR16-11.5NPT PC3030TType: Internal | Hand: Right | Threads per inch (TPI): 11.5 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.64 | PDY (mm): 1.1 | PDX (mm): 1.5 | Grade: PC3030T | Stock: Yes
IR16-11.5NPT PC9070TType: Internal | Hand: Right | Threads per inch (TPI): 11.5 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.64 | PDY (mm): 1.1 | PDX (mm): 1.5 | Grade: PC9070T | Stock: Yes
IR16-8NPT PC3030TType: Internal | Hand: Right | Threads per inch (TPI): 8 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 2.42 | PDY (mm): 1.3 | PDX (mm): 1.8 | Grade: PC3030T | Stock: Yes
IL11-27NPTType: Internal | Hand: Left | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL11-18NPTType: Internal | Hand: Left | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL11-14NPTType: Internal | Hand: Left | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 6.35 | Insert size L (mm): 11 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-27NPTType: Internal | Hand: Left | Threads per inch (TPI): 27 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 0.66 | PDY (mm): 0.7 | PDX (mm): 0.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-18NPTType: Internal | Hand: Left | Threads per inch (TPI): 18 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.01 | PDY (mm): 0.8 | PDX (mm): 1.0 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-14NPTType: Internal | Hand: Left | Threads per inch (TPI): 14 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.33 | PDY (mm): 0.9 | PDX (mm): 1.2 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-11.5NPTType: Internal | Hand: Left | Threads per inch (TPI): 11.5 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 1.64 | PDY (mm): 1.1 | PDX (mm): 1.5 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item
IL16-8NPTType: Internal | Hand: Left | Threads per inch (TPI): 8 | Inscribed circle IC (mm): 9.525 | Insert size L (mm): 16 | Thread depth HMIN (mm): 2.42 | PDY (mm): 1.3 | PDX (mm): 1.8 | Grades: PC5030T / PC3030T / PC9070T / PC5300 | Stock: Not marked as stock item

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