Thread Turning Tools

Laydown Threading Inserts & Toolholders. Use MXC as the General Purpose Grade for All Applications, Use BMA as the Grade for Stainless/Exotics. Here is a link to parameters for these Laydown Threading Inserts:

Laydown Threading Number of Passes

Laydown Threading Parameters

Thread Turning Tools
- Brand
  - Carmex
  - Kyocera
- Type
  - Laydown Threading Carbide Boring Bar
  - Laydown Threading Insert
  - Laydown Threading Square Shank Holder
  - Laydown Threading Steel Boring Bar
  - Top Notch Threading Insert
- Internal or External
  - External
  - Internal
- Profile
  - Full Profile
  - Partial Profile
- RH or LH
  - LH
  - RH
- Insert Size
  - 06
  - 08
  - 08U
  - 11
  - 16
  - 22
  - 22U
  - 27
  - 27U
  - 2L
  - 33U
  - 4L
  - 4R
- TPI
  - .35ISO
  - .45ISO
  - .60ISO
  - 1.0ISO
  - 1.25ISO
  - 1.5ISO
  - 10UN
  - 12STACME
  - 12UN
  - 13UN
  - 14 to 44 (EXT) 12 to 24 (INT)
  - 14NPTF
  - 14UN
  - 16STACME
  - 16UN
  - 18UN
  - 19BSP
  - 2.0ISO
  - 20UN
  - 24UN
  - 4 to 20 (EXT) 4 to 12 (INT)
  - 8 to 48UN
  - 8-36 (EXT) 7-20 (INT)
  - 8UN
- Grade
  - BXC
  - MXC
  - PR1215
  - PR660
- Shank Size
  - 5/16"
  - 3/8"
  - 1/2"
  - 5/8"
  - 3/4"
  - 1"
  - 1-1/4"
  - 1-1/2"
  - 2"
  - 8mm
  - 10mm
  - 12mm
  - 16mm
  - 20mm
  - 25mm
  - 32mm
- Min Bore
  - .240"
  - .310"
  - .350"
  - .470"
  - .580"
  - .640"
  - .750"
  - .900"
  - 1.160"
  - 1.400"
  - 1.650"
  - 1.750"
  - 1.800"
  - 2.300"
- Reach
  - .470"
  - .700"
  - .830"
  - 1.020"
  - 1.220"
  - 1.250"
  - 1.380"
  - 1.570"
  - 3"
  - 5"
  - 6"
  - 7"
  - 9"
  - 11"
  - 12"
- Application
  - For Stainless/Exotics
  - For Steel
  - For Steels
  - For Steels and Stainless Steels

27 IR 4 PAC BMA $ 35.00 $ 49.00

CentrLn to Cut Edge:0.09"/2.3mm, Conn. No. or Size:2(1/2)-2(7/8), Cut Edge to Matl:0.09"/2.3mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Taper (IPF):1.5, Thread Form:PAC

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27 IR 4 PAC HBA $ 42.14 $ 59.00

CentrLn to Cut Edge:0.09"/2.3mm, Conn. No. or Size:2(1/2)-2(7/8), Cut Edge to Matl:0.09"/2.3mm, Grade:HBA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Taper (IPF):1.5, Thread Form:PAC

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27 IR 4 PAC MXC $ 35.00 $ 49.00

CentrLn to Cut Edge:0.09"/2.3mm, Conn. No. or Size:2(1/2)-2(7/8), Cut Edge to Matl:0.09"/2.3mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Taper (IPF):1.5, Thread Form:PAC

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27 IR 4 RD BMA $ 30.00 $ 42.00

CentrLn to Cut Edge:0.09"/2.2mm, Cut Edge to Matl:0.09"/2.3mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:Round-DIN 405

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27 IR 4 RD MXC $ 30.00 $ 42.00

CentrLn to Cut Edge:0.09"/2.2mm, Cut Edge to Matl:0.09"/2.3mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:Round-DIN 405

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27 IR 4 STACME BMA $ 32.14 $ 45.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.09"/2.3mm, Cut Edge to Matl:0.09"/2.4mm, Grade:BMA, Has Chipbrkr:Breaking Corners, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:Stub Acme

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27 IR 4 STACME MXC $ 32.14 $ 45.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.09"/2.3mm, Cut Edge to Matl:0.09"/2.4mm, Grade:MXC, Has Chipbrkr:Breaking Corners, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:Stub Acme

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27 IR 4 UN BMA $ 26.43 $ 37.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.07"/1.8mm, Cut Edge to Matl:0.11"/2.7mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:UN, w/o Chipbreaker

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27 IR 4 UN K20 $ 22.86 $ 32.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.07"/1.8mm, Cut Edge to Matl:0.11"/2.7mm, Grade:K20, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:UN, w/o Chipbreaker

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27 IR 4 UN MXC $ 26.43 $ 37.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.07"/1.8mm, Cut Edge to Matl:0.11"/2.7mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:UN, w/o Chipbreaker

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27 IR 4 UN P25C $ 26.43 $ 37.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.07"/1.8mm, Cut Edge to Matl:0.11"/2.7mm, Grade:P25C, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:UN, w/o Chipbreaker

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27 IR 4 W MXC $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/2.0mm, Cut Edge to Matl:0.11"/2.9mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:04.00 TPI, Thread Form:Whitworth-55°

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27 IR 5.5 ISO BMA $ 26.43 $ 37.00

CentrLn to Cut Edge:0.07"/1.6mm, Cut Edge to Matl:0.11"/2.3mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:05.50mm, Thread Form:ISO

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27 IR 5.5 ISO MXC $ 26.43 $ 37.00

CentrLn to Cut Edge:0.07"/1.6mm, Cut Edge to Matl:0.11"/2.3mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:05.50mm, Thread Form:ISO

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27 IR 5 ACME MXC $ 32.14 $ 45.00

27mm (5/8" I.C.) LAYDOWN INSERT FOR ACME INT-RH THREAD, PITCH: 05.00 TPI, GRADE: MXC,

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27 IR 5 API 403 BMA $ 32.14 $ 45.00

27mm (5/8" I.C.) LAYDOWN INSERT FOR API 403 (V-0.040) INT-RH THREAD, PITCH: 05.00 TPI, GRADE: BMA,

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27 IR 5 API 403 BMA 027/2658 (STANDARD) $ 23.57 $ 27.11

Carmex 27IR5API403BMA027/2658 Size 27 Laydown Threading Insert (Inserts come 5 to a Pack, Please Order in Quantities of 5)

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27 IR 5 API 403 HBA 027/2660 (STANDARD) $ 25.00 $ 28.75

Carmex 27IR5API403HBA027/2660 Size 27 Laydown Threading Insert (Inserts come 5 to a Pack, Please Order in Quantities of 5)

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27 IR 5 API 403 MXC $ 32.14 $ 45.00

27mm (5/8" I.C.) LAYDOWN INSERT FOR API 403 (V-0.040) INT-RH THREAD, PITCH: 05.00 TPI, GRADE: MXC,

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27 IR 6.0 ISO BMA $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/1.8mm, Cut Edge to Matl:0.11"/2.5mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:06.00mm, Thread Form:ISO

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27 IR 6.0 ISO MXC $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/1.8mm, Cut Edge to Matl:0.11"/2.5mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:06.00mm, Thread Form:ISO

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27 IR 6 TR BMA $ 30.00 $ 42.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.09"/2.3mm, Cut Edge to Matl:0.11"/2.7mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:06.00mm, Thread Form:Trapez-DIN 103, w/o Chipbreaker

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27 IR 6 TR MXC $ 30.00 $ 42.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.09"/2.3mm, Cut Edge to Matl:0.11"/2.7mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:06.00mm, Thread Form:Trapez-DIN 103, w/o Chipbreaker

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27 IR 6 TR P25C $ 30.00 $ 42.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.09"/2.3mm, Cut Edge to Matl:0.11"/2.7mm, Grade:P25C, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:06.00mm, Thread Form:Trapez-DIN 103, w/o Chipbreaker

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27 IR 7 TR MXC $ 30.00 $ 42.00

#Edges:3, #Teeth:1, CentrLn to Cut Edge:0.09"/2.2mm, Cut Edge to Matl:0.1"/2.6mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:07.00mm, Thread Form:Trapez-DIN 103, w/o Chipbreaker

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27 IR 8 API RD 2M BMA $ 43.57 $ 61.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.0mm, Cut Edge to Matl:0.18"/4.5mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:API Round

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27 IR 8 API RD 2M MXC $ 43.57 $ 61.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.0mm, Cut Edge to Matl:0.18"/4.5mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:API Round

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27 IR 8 NPT 2M BMA $ 35.00 $ 49.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.1mm, Cut Edge to Matl:0.2"/5.0mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:NPT

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27 IR 8 NPT 2M HBA $ 36.43 $ 51.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.1mm, Cut Edge to Matl:0.2"/5.0mm, Grade:HBA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:NPT

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27 IR 8 NPT 2M MXC $ 35.00 $ 49.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.1mm, Cut Edge to Matl:0.2"/5.0mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:NPT

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27 IR 8 NPTF 2M MXC $ 35.00 $ 49.00

27mm (5/8" I.C.) MULTITOOTH (2 TEETH) LAYDOWN INSERT FOR NPTF INT-RH THREAD, PITCH: 08.00 TPI, GRADE: MXC,

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27 IR 8 UN 2M BMA $ 35.00 $ 49.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.1mm, Cut Edge to Matl:0.19"/4.9mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:UN

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27 IR 8 UN 2M MXC $ 35.00 $ 49.00

#Teeth:2, Anvil:AI27M, CentrLn to Cut Edge:0.12"/3.1mm, Cut Edge to Matl:0.19"/4.9mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch:08.00 TPI, Thread Form:UN

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27 IR Q55 MXC $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/2.0mm, Cut Edge to Matl:0.11"/2.9mm, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Pitch:05.50-06.00mm, Thread Form:Partial Profile 55°

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27 IR Q55 P25C $ 26.43 $ 37.00

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27 IR Q60 BMA $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/2.1mm, Cut Edge to Matl:0.12"/3.1mm, Grade:BMA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Thread Form:Partial Profile 60°

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27 IR Q60 HBA $ 29.29 $ 41.00

CentrLn to Cut Edge:0.08"/2.1mm, Cut Edge to Matl:0.12"/3.1mm, Grade:HBA, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Thread Form:Partial Profile 60°

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27 IR Q60 K20 $ 22.86 $ 32.00

CentrLn to Cut Edge:0.08"/2.1mm, Cut Edge to Matl:0.12"/3.1mm, Grade:K20, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Thread Form:Partial Profile 60°

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27 IR Q60 MXC $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/2.1mm, Cut Edge to Matl:0.12"/3.1mm, Grade:MXC, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Thread Form:Partial Profile 60°

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27 IR Q60 P25C $ 26.43 $ 37.00

CentrLn to Cut Edge:0.08"/2.1mm, Cut Edge to Matl:0.12"/3.1mm, Grade:P25C, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Thread Form:Partial Profile 60°

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27 IR Q60 P30 $ 22.86 $ 32.00

CentrLn to Cut Edge:0.08"/2.1mm, Cut Edge to Matl:0.12"/3.1mm, Grade:P30, IC:(5/8)", IN-RH, Insert Size:27mm, Matl:Carbide, Pitch Range:4.50-4.00 TPI, Pitch Range:5.50-6.00mm, Thread Form:Partial Profile 60°

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27U - 10.0 RD 20400 BMA $ 30.00 $ 42.00

27Umm (5/8U" I.C.) U-TYPE LAYDOWN INSERT FOR ROUND (DIN 20400) INT&EXT-RH&LH THREAD, PITCH: 10.00 TPI, GRADE: BMA,

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27U 10 RD 20400 MXC $ 23.57 $ 27.11

Carmex 27U10RD20400MXC Size 27U Laydown Threading Insert (Inserts come 5 to a Pack, Please Order in Quantities of 5)

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27U 8 RD 20400 BMA $ 23.57 $ 27.11

Carmex 27U8RD20400BMA Size 27U Laydown Threading Insert (Inserts come 5 to a Pack, Please Order in Quantities of 5)

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27U 8 RD 20400 MXC $ 23.57 $ 27.11

Carmex 27U8RD20400MXC Size 27U Laydown Threading Insert (Inserts come 5 to a Pack, Please Order in Quantities of 5)

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27U E/I/R/L 2.75 W BMA $ 26.43 $ 37.00

CentrLn to Cut Edge:0.09"/2.4mm, Cut Edge to Matl:0.54"/13.7mm, EX/IN-RH/LH, Grade:BMA, IC:(5/8)", Insert Size:27mm, Matl:Carbide, Pitch:02.75 TPI, Thread Form:Whitworth-55°

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27U E/I R/L 2.75 W MXC $ 26.43 $ 37.00

CentrLn to Cut Edge:0.09"/2.4mm, Cut Edge to Matl:0.54"/13.7mm, EX/IN-RH/LH, Grade:MXC, IC:(5/8)", Insert Size:27mm, Matl:Carbide, Pitch:02.75 TPI, Thread Form:Whitworth-55°

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