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Types of threads, cutting tools, thread and plain gauges
作者:管理员    发布于:2018-05-17 09:57:23    文字:【】【】【
摘要:The following table represents an overview of the available types of threads and the standards for the calculation of the thread cutting tools and thread gauges:

The following table represents an overview of the available types of threads and the standards for the calculation of the thread cutting tools and thread gauges:

螺纹类型
(Designation Symbols)

螺纹规范标准

Nominal size (d), pitch (P), TPI

量规设计标准规范

螺纹切削刀具规范

Metric screw thread (M, MF)

ISO 68-1
ISO 965-1
DIN 13-1 bis 52 
ASME 1.13M

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

Unified screw thread
(UNC, UNF, UNEF, UN, UNS, 
UNRC, UNRF, UNREF, UNR, UNRS)

ANSI B1.1

d: 0.01 - 40 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.2
BS 919-1
ISO 1502
ISO 15872

ANSI B94.9

Whitworth thread
(BSW, BSF, Whit.S., Whit.)

B.S. 84

d: 0.01 - 40 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

BS 919-2

 

Metric screw thread (MJ)

ISO 5855-1

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1,-4
ANSI B94.9

Unified screw thread 
(UNJC, UNJF, UNJEF, UNJ, UNJS)

ANSI B1.15

d: 0.01 - 40 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.2
BS 919-1
ISO 1502
ISO 15872

ANSI B94.9

Metric miniature thread (M)

DIN14
ISO 1501

d: 0.25 – 1.4 mm

ISO 1502
ANSI B1.16M

 

Unified miniature thread (UNM)

ANSI B1.10M

d: 0.3 – 1.4 mm

ISO 1502
ANSI B1.16M

 

Metric thread with large clearance (M)

DIN 2510-2

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

Hot-dip galvanized external thread to mate with internal thread with tolerance position H or G after galvanizing (M)

ISO 965-4

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

Metric internal thread to mate with hot-dip galvanized external thread with tolerance position h before galvanizing (M)

ISO 965-5

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

Metric external thread for transition fit (M)

DIN 13-51

d: 1 - 150 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

Class 5 interference-fit thread (NC) (HF/IF; CSF/IF; ONF/INF)

ANSI B1.12

d: 0.5 – 1.5 in

ANSI B1.12

ANSI B94.9

ISO Straight pipe thread (G)

ISO 228-1

d: 1/16 – 6 in

ISO 228-2

ISO 5969
DIN 802-3

ISO Taper pipe thread (R-Rp-Rc)

ISO 7-1
EN 10226-1, -2

d: 1/16 – 6 in

ISO 7-2
DIN 2999
B.S. 21 (A, B)
ISO 7-2:1982

ISO 5969
DIN 802-3

Gas cylinders ISO taper threads

ISO 11363-1

17E, 25E

ISO 11363-2

 

Metric taper external and parallel internal thread

DIN 158-1

d: 5 - 60 mm

DIN 158-2

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

ANSI Pipe threads, general purpose 
(NPT, NPSC, NPTR, NPSM, NPSL)

ANSI B1.20.1

d: 1/16 – 20 in

ANSI B1.20.1

ANSI B94.9

ANSI Dryseal pipe thread 
(NPTF, PTF-SAE Short, NPSF, NPSI, F-PTF)

ANSI B1.20.3

d: 1/16 – 3 in

ANSI B1.20.5

ANSI B94.9

ANSI Aeronautical pipe thread (ANPT)

SAE AS71051

d: 1/16 – 3 in

SAE AS71051

 

ANSI Hose coupling thread (NPSH, NH)

ANSI B1.20.7

d: 1/2 – 4 in

ANSI B1.20.7

 

NFPA Fire-hose coupling thread (NH)

NFPA 1963

d: 0.75 – 8 in

NFPA 1963

 

ANSI gas outlet threads (NGO)

ANSI CGA V-1, FED-STD-H28/9

d:0.373 - 1.120 in

ANSI B1.2

ANSI B94.9

ANSI threads for gas cylinders (NGT)

ANSI CGA V-1, FED-STD-H28/9

d: 1/8 – 1 1/2 in

FED-STD-H28/9
Step, Ramp

 

API casing, tubing, line pipe threads 
(LP, CSG, LCSG, TBG, UPTBG, UPLTBG, IJTBG, BCSG, XCSG, LTC )

API Spec. 5B

d: 1/8 – 20 in

API Spec. 5B,
API Spec. 5B1

 

Metric trapezoidal screw thread (Tr)

ISO 2901
DIN 103-1 bis 8

d: 0.25 - 1250 mm
P: 0.075 - 100 mm

DIN 103-9

 

Stub metric trapezoidal screw thread (Tr)

DIN 380

d: 0.25 - 1250 mm
P: 0.075 - 100 mm

DIN 103-9

 

ACME trapezoidal screw thread 
(ACME, General, Centralizing)

ANSI B1.5

d: 0.01 - 50 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.5

 

ACME Stub trapezoidal screw thread
(STUB ACME, Standard, Modified M1, M2)

ANSI B1.8

d: 0.01 - 50 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.8

 

Metric buttress thread 33° (S)

DIN 513-1 bis 3

d: 0.25 - 1250 mm
P: 0.075 - 100 mm

ISO 1502
DIN 103-9

 

Metric buttress thread 33° (S)

DIN 20401

d: 0.25 - 1250 mm
P: 0.8 - 2 mm

ISO 1502
DIN 103-9

 

Metric buttress thread 45° (S)

DIN 2781

d: 0.25 - 1250 mm
P: 0.075 - 100 mm

ISO 1502
DIN 103-9

 

ANSI Buttress thread 52° (BUTT)

ANSI B1.9

d: 0.01 - 50 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.9

 

B.S. Buttress thread 52° (BUTT)

B.S. 1657
ANSI B1.9

d: 0.01 - 50 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.9

 

Knuckle thread (Rd)

DIN 405-1, -2

d: 0.25 - 1000 mm
TPI: 0.25 - 320
P: 0.08 - 100 mm

DIN 405-3

 

Knuckle thread with large depth (Rd)

DIN 20400

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

DIN 405-3

 

Knuckle thread for lifting hooks (Rd)

DIN 15403

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

DIN 15403

 

STI metric thread (M STI, MJ STI)

DIN 8140
BS 4377
SAE MA1567

d: 0.25 - 1000 mm
P: 0.075 - 100 mm

ISO 1502
ANSI B1.16M

ISO 2857, EN 22857 
DIN 802-1, -4
ANSI B94.9

STI inch thread (UN STI, UNJ STI)

ASME B18.29.1
NASM 33537
BS 3409

d: 0.01 - 40 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

ANSI B1.2
BS 919-1
ISO 1502
ISO 15872

ANSI B94.9

STI inch thread (8UN STI, 16UN STI)

ANSI B1.1

d: 0.5 - 3 in
TPI: 8, 16

ANSI B1.2
BS 919-1
ISO 1502
ISO 15872

ANSI B94.9

STI Whitworth Thread
(BSW STI, BSF STI, BSP STI)

B.S. 84

d: 0.01 - 40 in
TPI: 0.25 - 320
P: 0.003125 - 4 in

BS 919-2

 

STI ISO Parallel pipe thread (G STI)

ISO 228-1

d: 1/16 – 6 in

ISO 228-2

ISO 5969, DIN 802-3

STI ISO Taper pipe thread
(Rp STI, Rc STI)

ISO 7-1
EN 10226-1, -2

d: 1/16 – 6 in

ISO 7-2
DIN 2999
B.S. 21 (A, B)

ISO 5969, DIN 802-3

STI ANSI Pipe thread 
(NPT STI, NPSC STI, ANPT STI)

ANSI B1.20.1
SAE AS71051

d: 1/16 – 6 in

ANSI B1.20.1

 

B.A. - Thread (BA)

B.S. 93

d: 0.25 - 6 mm
P: 0.07 - 1 mm

BS 919-2

 

B.S.C. Cycle-Thread (BSC, SWG, Spec.)

B.S. 811

BSC: 1/8 – 3/4
SWG: 8 – 15
Spec: 17/64 – 1 5/8

BS 919-2

 

Screw thread for bicycles and mopeds (FG)

DIN 79012

FG: 2 – 34.8

BS 919-2

 

Tyre valve thread (V, CV)

ISO 4570

5V1 – 20V1
5CV, 8CV

ISO 1502
ANSI B1.16M

 

Steel conduit thread (Pg)

DIN 40430

Pg7 – Pg48

DIN 40431-1, -2

 

Knuckle thread for glass containers (GL)

DIN 168-1

d: 10 – 125 mm

DIN 405-3
Factory standard

 

Buttress thread for plastic and glass containers (KS, GS)

DIN 55525

d: 10 – 50 mm

DIN 103-9
Factory standard

 

Buttress thread for plastic containers (KS)

DIN 6063-1

d: 10 – 60 mm

DIN 103-9
Factory standard

 

Trapezoidal thread for plastic containers (KT)

DIN 6063-2

d: 10 – 60 mm

DIN 103-9
Factory standard

 

Edison thread for lamp caps and holders (E)

IEC 60061-1, -2

E5 – E40

IEC 60061-4

 

Edison thread for D-type fuses (E)

DIN 40400

E14 – E33

DIN 40401-1, -2

 

Non-standard and special thread

 

d: 0.25 - 1250 mm 
P: 0.075 - 100 mm 
TPI: 0.25 - 320

ISO 1502
ANSI B1.16M
ANSI B1.2

 

Tolerances, fits and plain gauges for linear sizes

The software can be used for calculation of tolerances, fits and gauges to the following international and national standards:

Workpiece

Metric dimensions

• ISO 286, ANSI B4.2 for nominal sizes up to 3150 mm
• GOST 25346 for sizes over 500 mm up to 3150 mm
• DIN 7172 for sizes over 3150 mm up to 10000 mm
• GOST 25348 for sizes over 3150 mm up to 10000 mm
• Standard and preferred fits

Dimensions without individual tolerance indications
• ISO 2768-1 for sizes up to 4000 mm

Inch dimensions
• ANSI B4.1 for nominal sizes up to 200 inch

Non-standard tolerances 
• entering the nominal and limit sizes
• entering the nominal size and the limit deviations
• determining the corresponding ISO tolerance grade

Gauges

Gauges acc. to ISO/R 1938, DIN 7150-2
• nominal size up to 500 mm 
• plug, ring and calliper gauges
• checking and setting plugs 
• setting rings according to DIN 2250

Gauges acc. to ASME B89.1.5, ASME B89.1:
• nominal size up to 19.69 in.
• plug, ring and calliper gauges
• master rings and disks with 
• classes XXXX, XXX, XX, X, Y, Z or ZZ

Gauges acc. to BS 969:
• workpiece tolerances from 0.005 up to 3.2 mm, respectively 0.0002 - 0.125 in.
• plug, ring and calliper gauges
• checking and setting plugs 
• setting rings acc. to BS 4064, BS 4065

Thread cutting tools

Editions Threads, Tools and Gauges and Threads, Gauges and Calibration Management comprise database and methods of calculating following types of threading tools:

  • Cutting and forming taps; ground and cut threads
  • Threading tools for metric threads, unified threads, pipe threads, helical coil threads for inserts, etc.
  • Standard tolerance classes acc. to ISO 2857, EN 22857, GOST 16925: ISO 1, ISO 2, ISO 3, ISO 4
  • Standard tolerance classes according to DIN 802-1, -4, -6: 4H, 6H, 6G, 7G
  • Standard tolerance classes according to ANSI B94.9: H, L, D, DU, Oversize, Undersize
  • Modified  adjustable ISO tolerance classes for cutting taps: ISO 1X, ISO 2X, ISO 3X, ISO 4X
  • Modified  adjustable ISO tolerance classes for forming taps: ISO 1X, ISO 2X, ISO 3X
  • Modified  adjustable DIN tolerance classes: 4HX, 6HX, 6GX, 7GX
  • Input of non-standard allowances and tolerances
  • Taking into account the corrections for surface finishing of the threaded products.

Coefficients for calculating the fundamental deviation and tolerance of the pitch diameter and the minimum a

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