GB /T 192 - 2003 General purpose metric screw threads-Basic profile（ISO 68-1:1998, MOD）

螺距
Thread Pitch

0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.6

0.7

0.75

0.8

1.25

H
5/8 H
3/8 H
1/4 H
1/8 H

0. 173 205	0. 216 506	0. 259 808	0. 303 109	0. 346 410	0. 389 711	0. 433 013	0. 519 615	0. 606 218	0. 649 519	0. 692 820	0. 866 025	1. 082 532
0. 108 253	0. 135 316	0. 162 380	0. 189 443	0. 216 506	0. 243 569	0. 270 633	0. 324 759	0. 378 886	0. 405 949	0. 433 013	0. 541 266	0. 676 583
0. 064 952	0. 081 190	0. 097 428	0. 113 666	0. 129 904	0. 146 142	0. 162 380	0. 194 856	0. 227 332	0. 243 570	0. 259 808	0. 324 759	0. 405 950
0. 043 301	0. 054 127	0. 064 952	0. 075 777	0. 086 603	0. 097 428	0. 108 253	0. 129 904	0. 151 555	0. 162 380	0. 173 205	0. 216 506	0. 270 633
0. 021 651	0. 027 063	0. 032 476	0. 037 889	0. 043 301	0. 048 714	0. 054 127	0. 064 952	0. 075 777	0. 081 190	0. 086 603	0. 108 253	0. 135 317

螺距
Thread Pitch

1.5

1.75

2.5

3.5

4.5

5.5

H
5/8 H
3/8 H
1/4 H
1/8 H

1. 299 038	1. 515 544	1. 732 051	2. 165 063	2. 598 076	3. 031 089	3. 464 102	3. 897 114	4. 330 127	4. 763 140	5. 196 152	6. 928 203
0. 811 899	0. 947 215	1. 082 532	1. 353 164	1. 623 798	1. 894 431	2. 165 064	2. 435 696	2. 706 329	2. 976 963	3. 247 595	4. 330 127
0. 487 139	0. 568 329	0. 649 519	0. 811 899	0. 974 279	1. 136 658	1. 299 038	1. 461 418	1. 623 798	1. 786 178	1. 948 557	2. 598 076
0. 324 760	0. 378 886	0. 433 013	0. 541 266	0. 649 519	0. 757 772	0. 866 026	0. 974 279	1. 082 532	1. 190 785	1. 299 038	1. 732 051
0. 162 380	0. 189 443	0. 216 506	0. 270 633	0. 324 760	0. 378 886	0. 433 013	0. 487 139	0. 541 266	0. 595 393	0. 649 519	0. 866 025

GB /T 37462 - 2019

Locking threads with 30 degree wedge ramp

GB /T 15054.1 - 2018

Miniature screw threads : Profiles , general plan and basic dimensions

GB /T 197 - 2018

General purpose metric screw threads - Tolerances

GB /T 18685 - 2017

The blank diameters for rolling general purpose metric screw threads

GB /T 12716 - 2011

GB /T 27944 - 2011

Dryseal pipe threads with the thread angle of 60 degrees

GB /T 24425.5 - 2009

Internal thread for wire thread inserts

GB /T 13576.1 - 2008

Buttress Thread with the Flank Angles of 3 and 30 Degrees - Part 1: Profiles

GB /T 1415 - 2008

Metric threads where pressure-tight joints are made on the threads

GB /T 15756 - 2008

General purpose metric screw threads - Limits of sizes

GB /T 20670 - 2006

Unified screw threads - General plan

GB /T 5796.1 - 2005

Trapezoidal screw threads - Part 1: Profiles

GB /T 1414 - 2003

General purpose metric screw threads - The plan for pipe systems

GB /T 196 - 2003

General purpose metric screw threads - Basic dimenslons

GB /T 2516 - 2003

General purpose metric screw threads - Limit deviations

GB /T 9144 - 2003

General purpose metric screw threads - Preferable plan

GB /T 9145 - 2003

General purpose metric screw threads - Limits of sizes for the screw threads of medium quality and preferable plan

GB /T 9146 - 2003

General purpose metric screw threads - Limits of sizes for the screw threads of coarse quality and preferable plan

GB /T 5280 - 2002

Tapping screws thread

GB /T 7307 - 2001

Pipe Threads with 55 Degree Thread Angle where Pressure-Tight Joints are not Made on the Threads

GB /T 7306.1 - 2000

Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads一 Parallel internal and taper external threads（eqv ISO 7-1:1994）

GB /T 7306.2 - 2000

Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads一 Taper internal and external threads（eqv ISO 7-1:1994）

GB /T 1181 - 1998

The interference-fit threads

GB /T 3 - 1997

Run-outs, undercuts and chamfers for general purpose metric screw threads (ISO 3508:1976 / ISO 4755:1983)

GB 1167 - 1996

The threads for transition fit

GB 7306 - 1987

Pipe threads where pressure-tight joints are made on the threads

GB /T 6559 - 1986

Screws thread shanks for thread forming screw-Metric coarse thread series

GB /T 922 - 1986

Specification for wood screws

IFI 502 - 1982

Metric triangle lock with thread end

IFI 502 - 1982

Metric Self-tapping Thread End

DIN 3858 - 2005

Whitworth pipe threads for pipe unions

DIN 7505 - 1986

Plastic threads

DIN 7970 - 1984

Threads and thread ends for tapping screws

DIN 103 - 1 - 1977

ISO - Metric Trapezoidal Screw Threads

DIN 7998 - 1975

Thread and thread ends for wood screws

DIN 2510-2 - 1971

Bolted Connections with Reduced Shank; Metric Thread with Large Clearence, Nominal Dimensions and Limits

ISO 3353-1 - 2020

Aerospace - Lead and runout threads - Part 1: Rolled external threads

ISO 2901 - 2016

ISO metric trapezoidal screw threads - Basic and design profiles

ISO 965-1 - 2013

ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data

ISO 888 - 2012

Fasteners─Bolts,screws and studs─Nominal lengths and thread lengths

ISO 725 - 2009

ISO inch screw threads─Basic dimensions

ISO 228-1 - 2000

Pipe threads where pressure-tight joints are not made on the threads

ISO 1478 - 1999

Tapping Screws Thread

ISO 261 - 1998

ISO general purpose metric screw threads - General plan

ISO 262 - 1998

ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts

ISO 965-2 - 1998

Limits of sizes for general purpose external and internal screw threads

ISO 965-3 - 1998

Deviations for constructional screw threads

ISO 724 - 1993

ISO general-purpose metric screw threads─Basic dimensions

JIS B 1125 (1) - 2015

Tapping Screw Threads and Ends

JIS B 1125 (1) - 2003

Tapping screw threads and ends

JIS B 0209 - 1997

Limits of sizes and tolerances for metric coarse screw threads

JIS B 1125 (1) - 1995

Tapping Screw Threads and Ends

JB /T 10971 - 2010

Locking Thread with 30° wedge ramp

ASME/ANSI B 18.6.3 (T40) - 2013

Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws

ASME/ANSI B 18.6.3 (T41) - 2013

Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws

ASME/ANSI B 18.6.3 (T42) - 2013

Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws

ASME/ANSI B 18.6.3 (T46) - 2013

Thread Lengths for Type A, AB, B, BF, BP and BT Tapping Screws

ASME/ANSI B 18.6.3 (T47) - 2013

Thread Lengths for Type C, D, F, G, T and TRS Tapping Screws

ASME/ANSI B 18.2.1 - 2010

Lag screw threads

ASME/ANSI B 18.6.3 - 2010

AB self-tapping teeth

ASME/ANSI B 18.6.3 - 2010

self-tapping teeth-B

ASME/ANSI B 18.6.3 - 2010

Self-tapping teeth-BF

ASME/ANSI B 18.6.3 - 2010

Triangle lock self-tapping teeth--D、F、G

ASME/ANSI B 18.6.3 - 2010

ASME/ANSI B 18.31.3 - 2009

Threaded rods(inch series) (F568M, A193/A193M, F738M, F468M)

ASME/ANSI B 18.6.1 - 1997

Wood thread

ASME/ANSI B 18.6.1 - 1981

Wood thread

ASME/ANSI B 18.6.1 - 1981 (R2016)

Thread and body dimeters for wood screws

EN 60423 - 2007

UNI 9702 - 1990

YJT 1025 - 2012

US triangle lock thread-S type

YJT 1026 - 2012

Metric triangle lock thread-S type

YJT 1027 - 2012

Metric triangle lock thread-C type

YJT 1028 - 2012

Metric triangle lock thread-B type

YJT 1029 - 2012

Metric triangle lock thread-P type

BS 4174 - 1972

Thread and point details for Type Y thread cutting screws [TABLE 6]

BS 4174 - 1972

Thread and point details for Type A threads [TABLE 23]

SAE AS 8879 - 2001

Screw Threads - UNJ Profile, Inch

QC /T 713 - 2004

Tapping thread for nylon lock

IS 4218 (-2) - 2001

ISO general purpose metric screw threads - General plan

ASME B 18.6.3 (T4.3.1-1) - 2024

Thread Lengths for Types A, AB, B, BF, BP, and BT Tapping Screws

ASME B 18.6.3 (T4.3.2.1) - 2024

Thread Lengths for Types C, D, F, G, T, and TRS Tapping Screws

ASME B 18.6.3 (T4.1.1.1-1) - 2024

Dimensions of Threads and Points for Types AB and ABR Thread-Forming Tapping Screws

ASME B 18.6.3 (T4.1.1.2-1) - 2024

Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws

ASME B 18.6.3 (T4.1.1.4-1) - 2024

Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws

ASME B 18.6.4 (AB) - 1998

Type AB, Thread Forming Tapping Screws [Table 5]

ASME B 18.6.4 (B/BP) - 1998

Type B and BP, Thread Forming Tapping Screws [Table 6]

ASME B 18.6.4 (A) - 1998

Type A, Thread Forming Tapping Screws [Table E1]

ASME B 18.6.4 (C) - 1998

Typ C, Thread Forming Tapping Screws [Table V1]