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Hardened Steel Carbide Thread Cutting Inserts With Pitch 8 T / Inch External Threads

Categories Carbide Threading Inserts
Brand Name: MMM
Model Number: Various
Certification: ISO 9001
Place of Origin: CHINA
MOQ: 10 PCS
Price: USD
Payment Terms: L/C, T/T
Supply Ability: 10,000 PCS/Month
Delivery Time: 5-15 Days
Packaging Details: Internal Plastic Box Packaging
Application: Thread Turning
Material: Cemented Carbide
Coating: PVD
Standard: ASME B1.20.1-1983
Grade: MP2215
Type: Various
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Hardened Steel Carbide Thread Cutting Inserts With Pitch 8 T / Inch External Threads

Carbide Threading Inserts for Standard NPT Thread with Pitch 8 T / Inch External Threads


Feature Advantage:

  • NPT standard thread series are available in various specifications and models.
  • Observed under a microscope of 40 times, the perfect edge grinding and passivation accuracy.
  • The workpiece angle error is controlled at ±0.5 degrees.
  • High-quality cemented carbide substrate, high toughness, high wear resistance and versatility.
  • High-precision tooth type for high-quality, high-precision thread machining of steel, stainless steel, and difficult-to-cut materials.
  • Life is completely comparable to the first-line brands in Europe and America.

Type:



Serial


Size


Pitch


MP2215

Standard NPT:

ASME B1.20.1-1983

16Right/LeftExternal8-27 t/inch

Standard NPT:

ASME B1.20.1-1983

16Right/LeftInternal8-27 t/inch

Technical Information:

  • NPT thread for steam, natural gas and water pipes.
  • Turning threads are common operations on CNC machines. The use of indexable tools to cut threads enables safe and high productivity of the process.
  • The feed of the machine is the most important factor in turning the thread: it must be equal to the pitch, which is the distance between a point on the thread and the corresponding point of the adjacent thread. The fit between the pitch and the feed per revolution is accomplished by controlling subroutines in the CNC machine.
  • Thread turning should initially consider three aspects to determine the best method and tool selection for threading:
    • Main parameters of the thread:
      • External or internal thread
      • Thread type
      • Pitch
      • Right or left hand thread
      • Tolerance
    • Workpiece material properties, shape and quantity
      • Whether the workpiece is safely clamped
      • Whether there is any problem with chip removal
      • Workpiece batch
    • Machine parameter
      • Stability, power and torque requirements, especially for larger diameter threading
      • Workpiece clamping condition
      • Threading cycle should be easy to program
      • Cutting fluid and coolant

Recommended Cutting Parameters:

  • The following cutting parameters are the recommended range values, and the actual values can be appropriately taken as high values.
  • When testing new cutting speeds, you should carefully check the condition of the cutting edge.
  • For stainless steel thread cutting, a high enough cutting speed should be used to avoid the formation of built-up edge.
  • When cutting small pitch threads and using small nose radius tools, the cutting parameters should be appropriately reduced.


ISO


Material

Unit Cutting Force

N/mm 2

Hardness

HB

Speed

m/min


P


Carbon Steel

C=0.15%

C=0.35%

C=0.60%

1900

2100

2250

125

150

200

150-175

140-155

130-145


P


Alloy Steel

Annealing

Hardened

Hardened

Hardening

2100

2600

2700

2850

180

275

300

350

110-130

80-100

70-90

60-80

PHigh Alloy Steel

Annealing

Hardening

2600

3900

200

325

90-115

70-90


P


Cast Steel

Non-alloy

Low alloy

High alloy

Martensite Steel 12% Mn

2000

2500

2700

3600

180

200

225

250

180-210

90-115

90-115

40-50

MStainless SteelAustenite2450180110-130
MStainless SteelMartensite / Ferrite2300200130-170
KMalleable Cast Iron

Ferrite

Pearlite

1100

1100

130

230

110-140

85-105

KGray Cast Iron

Low Tensile Strength

High Tensile Strength

1100

1500

180

260

110-140

90-115

KDuctile Iron

Ferrite

Pearlite

1100

1800

160

250

110-130

80-100

NAluminum Alloy

Not Aged

Aging Treatment

500

800

60

100

1300-1450

450-500

NCast Aluminum Alloy

Not Aged

Aging Treatment

750

900

75

90

430-470

250-290

SHeat Resistant AlloyNickel Base

3000

3050

200

280

35-50

25-35

HHardened SteelHardened Steel4500HRC5540-50



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