ねじ規格一覧表 | オーエスジー

Types of screws
Type

symbol
Abbreviation

standard
Standard

Thread angle
Thread angle

Nominal Diameter Range
Size range

Screw Grade
Tolerance class

Gauge Standards
Standard for screw thread gauge

Metric Screw
Metric screw threads

M

JIS B 0205
JIS B 0209
JIS B 0207 ※ 1
JIS B 0211 ※ 1

60°

1 ～ 355

4H, 5H, 6H, 7H
4h, 6h, 6g, 8g

JIS B 0251

Miniature screws
Miniature screw thread

S

JIS B 0201

0.3 ～ 1.4

3G5, 3G6, 4H5
4H6, 5h3

─

Unify Screw (Parallel)
Unified coarse screw threads

UNC

JIS B 0206
JIS B 0210

No.1 ～ 4

3B, 2B, 1B
3A, 2A, 1A

JIS B 0255

Unified Screws (Fine Thread)
Unified fine screw threads

UNF

JIS B 0208
JIS B 0212

No.0 ～ 11⁄2

Unify Screws
Unified thread (ANSI standard)

UNC/UNRC

ANSI/ASME B1.1

No.1 ～ 4

ANSI B1.2

UNF/UNRF

No.0 ～ 11⁄2

UNEF/UNREF

No.12 ～ 111⁄16

UNS/UNRS

No.10 ～ 6

─

4, 6, 8, 12, 16, 20,
28, 32UN/UNR

5⁄16 ～ 6

ANSI/ASME B1.2

Unify Screws
Unified thread

UNJC

SAE AS 8879D ISO 3161 ASME B1.15

0.073 ～ 4

3B, 3A
2B, 2A

NBS HAND BOOK H28

UNJF

0.060 ～ 1.5

UNJEF

0.216 ～ 1.6875

8UNJ

1.0625 ～ 4

12UNJ

0.625 ～ 6

16UNJ

0.4375 ～ 6

whitworth screw (Juxtaposition)
Whitworth coarse screw thread

W

JIS B 0206※2

55°

¼ ～ 6

Level 2, Level 3, Level 4
Class2, Class3, Class4

JIS B 0257※1

whitworth screw (Details)
Whitworth fine screw thread

JIS B 0208※2

9.5 ～150

JIS B 0258※1

pipeparallel screw
Parallel pipe threads

G

JIS B 0202

1⁄16 ～ 6

Male thread -Class A, Class B
External thread-Class A, Class B

JIS B 0254

PF

JIS B 0202 Annex
Appendix

1⁄8 ～12

Grade A, Grade B
Class A, Class B

JIS B 0254 Annex
Appendix

Thick Steel Conduit Screw
Screw threads for thick steel conduits

CTG

JIS C 8305 Annex
Appendix

16 ～ 104

─

─

Thin steel conduit screw
Screw threads for thin steel conduits

CTC

80°

19 ～ 75

Pipe Parallel Screws (USA)
Straight pipe thread (USA)

NPSC

ANSI/ASME B1.20.1

60°

1⁄8 ～ 4

ANSI/ASME B1.20.1

NPSM

1⁄8 ～ 6

2B, 2A

NPSL

1⁄8 ～12

─

NPSH

ANSI/ASME B1.20.7

1⁄2 ～ 4

Parallel Screws for Dry Seal Pipes (USA)
Parallel pipe threads (USA) (Dryseal)

NPSF

ANSI B1.20.3.1.20.4

1⁄16 ～ 1

ANSI B1.20.5

NPSI

Pipe Parallel Screws (UK)
Pipe threads (UK)

G

BS 2779

55°

1⁄16 ～ 6

Male thread - Class A, Class B
External thread-Class A, Class B

─

Metric trapezoidal screw
Metric trapezoidal screw threads

Tr

JIS B 0216 B 0217
B 0218 ※1

30°

8 ～ 300

7H, 8H, 7e, 8c

30 degree trapezoidal screw
Trapezoidal screw thread (30°)

TM

JIS B 0216:1980 Annex
Appendix

10 ～ 300

─

29 degree trapezoidal screw
Trapezoidal screw thread (29°)

TW

JIS B 0222※1

29°

10 ～ 100

Acme Screw (USA)
ACME threads (USA)

ACME

ANSI/ASME B1.5

1⁄4 ～ 5

4G, 3G, 2G
4C, 3C, 2C

ANSI B1.5

Stub Acme Screw (USA)
Stub ACME threads, short (USA)

STUB ACME

ANSI/ASME B1.8

─

ANSI B1.8

Buttress Screws (USA)
Buttress screw threads (USA)

BUTT

ANSI B1.9

7°×45°

1⁄2 ～ 24

Class3, Class2

ANSI B1.9

Bicycle screws (general use)
Bicycle threads (General purpose)

BC

JIS B 0225

60°

5⁄16 ～ 19⁄16

─

JMAS 4002

Bicycle screws (for spokes)
Bicycle threads (for spokes)

1.8 ～ 4

Sewing machine screw
Screw threads for sewing machines

SM

JIS B 0226※1

1⁄16 ～ 13⁄16

Level 1, Level 2, Level 3
Class1, Class2, Class3

─

Camera Tripod Mounting Screw
Screw threads for Tripod Connections for Cameras

U

JIS B 7103

1⁄4, 3⁄8

─

Photographic Lens Attachment Mounting Screw
Screw threads for Engagement of Accessories to Lens Front

M

JIS B 7111

13.5 ～ 95

internal combustion engine spark plug screw
Screw threads for Spark Plugs for Internal Combustion Engines

M

JIS B 8031

10S, 12S, 14S

Types of screws
Type

symbol
Abbreviation

standard
Standard

Thread angle
Thread angle

Nominal Diameter Range
Size range

Screw Grade
Tolerance class

Gauge Standards
Standard for screw thread gauge

Implant Bolt
Stud Bolts

STUD

JIS B 1173

60°

4 ～ 20

─

─

Automotive Tire Valve Screw
Tire valve threads for automobiles

V

JIS D 4207 Annex
Appendix

5 ～ 20

Automotive Tire Valve Stem Screw
Tire valve threads for automobiles

TV

JIS D 4208※1

5 ～ 12

Bicycle Tire Valve Screw
Tire valve threads for bicycles

CTV

JIS D 9422 Annex
Appendix

5 ～ 8

JMAS 4002

Socket of light bulb, socket screw
Screw threads for electric lamps

E

JIS C 7709

─

5 ～ 40

─

Water supply faucet mounting screw
Screw threads for Faucets and Ball Taps

─

JIS B 2061

55°

13, 20, 25

steel wiredrumbase screw
Plugs and flanges for steel drums

G

JIS Z 1604 Annex
Appendix

3⁄4, 2

JIS Z 1604 Annex
Appendix