Screw threads to DIN standards.pdf

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P.O.Box 261

M ARYLAND METRI C S

Owings Mills, MD 21117 USA

(410)358-3130 (800)638-1830 Faxes: (410)358-3142 (800)872-9329

http://mdmetric.com

techinfo@mdmetric.com

TECHNICAL INFORMATION and DATA

Screw threads, overview

Screw threads to DIN standards

Name

ISO-metric thread

(60° thread angle)

Designation/

example

M 0.8

M 30

Nominal diameter

0.3 to

0.9 mm

1 to 68 mm

Standard

DIN 14, part 1

to part 4

DIN 13, part 1

ISO 68

ISO

261/262

ISO

724/965

DIN 13, part 2

to part 11

DIN 6630

LN 9163

Application

Watches and

fine work

General engineering

(coarse thread)

ISO-metric thread

with interference fit

(60° thread angle)

M 20 x 1

M 30 x 2 – LH1)

DIN 6630 –

M 64 x 4

LN 9163 –

M 30 x 2 – 4H5H

M 10 Sn 4

M 10 Sk 6

1 to

1000 mm

64 and

76 mm

1.4 to

355 mm

3 to

150 mm

General engineering

(fine thread)

Packaging; external thread

for barrels

Aviation and aerospace

Tap end

of studs

not

tight

DIN 13

part 51

M 10 Sn 4

tight

DIN 2510 –

M 36

3 to

150 mm

12 to

180 mm

(draft

at present)

DIN 2510

part 2

tight

Bolted connections with

reduced shank

Metric thread with large

clearance

(60° thread angle)

EG M

ISO-metric thread, internal

thread for adopting threaded

inserts (60° thread angle)

Metric taper external

thread (60° thread angle)

(taper 1:16)

Self forming taper

external thread

(105° thread angle)

(taper 7°30’)

MJ-thread

(60° thread angle)

ISO-metric thread for aviation

DIN 8140 –

EG M 20

2 to 52 mm

DIN 8140

part 2

(draft

at present)

DIN 158

Internal thread for adoption

of threaded wire inserts

DIN 158 –

M 30 x 2 keg

DIN 158 –

M 30 x 2 tap short

S 8 x1

Plugs and Grease nipples

6 to 60 mm

6 to 10 mm

DIN 71 412

(draft at

present)

Taper lubricating nipple

(thread similar to DIN 158

but 105° thread angle)

MJ 6 x 1 –

MJ 6 x 1 – 4H5H

LN 9163

H 30 x 2

1,6 to 39 mm

DIN ISO 5855

part 1 and part 2

Aviation and aerospace

construction

1,4–355 mm

LN 9163

EN 2158

Aviation and aerospace

1) LH international designation for left hand thread

Name

Parallel pipe thread, pressure

tight joints are not made on

the thread

(55° thread angle) Whitworth

Designation/

exemple

G 11/2 A

G 1 1 /2 B

G 11 /2

DIN 6630 – G 3/4

Parallel pipe thread, pressure

tight joints are not made on

the thread

(55° thread angle)

Whitworth parallel pipe thread,

pressure tight joints are not

made on the thread

(55° thread angle)

Whitworth parallel pipe thread,

pressure tight joints on the

thread (55° thread angle)

51/2

Nominal diameter

Standard

Application

External pipe thread

16 to 6

DIN ISO 228

part 1

DIN 6630

DIN 6602

Internal pipe thread

Packaging; external thread for

barrels

External thread for cistern cars

3/ , 1, 2

51/2

R 3 /4

1/ to 6

DIN 259

part 1 to part 32)

Piping, do not use in new

designs

DIN 2999 – Rp 1/2

DIN 3858 – Rp 1/8

DIN 2999 – R

1/2

DIN 3858 –

R 1/8 –1

1/ to 6

1/ to 11/

1/ to 6

1/ to 11/

DIN 2999

part 1

DIN 3858

DIN 2999

part 1

DIN 3858

Internal thread for pipes and

fittings

Internal thread for pipe unions

External thread for pipes

and fittings

External thread for pipe unions

Whitworth taper pipe thread,

pressure tight joints on the

thread (55° thread angle),

(taper 1:16)

ISO metric trapezoidal

thread, single or multiple

start (30° thread angle)

Stub metric trapezoidal

thread, single or multiple

start (30° thread angle)

Acme trapezoidal thread

with clearance, single or

multiple start

(30° thread angle)

Tr 40 x 7

Tr 40 x 14 P7

DIN 380 –

Tr 48 x 8

DIN 380 –

Tr 48 x 14 P7

DIN 263 –

Tr 48 x 12

DIN 263 –

Tr 40 x 16 P8

DIN 6341 –

Tr 32 x 1,5

10 to 56 mm

26 to 80 mm

48 mm

8 to 300 mm

DIN 103

part 1 to part 8

ISO 2901 to 2904

General

DIN 380

part 1 and part 2

DIN 263

part 1 and part 2

For rail vehicles

40 mm

DIN 6341

part 2

DIN 30 295

part 1 and part 2

DIN 6063

part 2

For collet chucks

For rail vehicles

Rounded trapezoidal thread

(30° thread angle)

Trapezoidal thread

(20° thread angle)

228 part 1.

DIN 30 295 –

Tr 40 x 5

DIN 6063 –

KT 22

10 to 50 mm

Preferably for packages made

of plastics

2) Danger to be mixed up due to identical designation as ISO 7/1. Replaced by DIN ISO 228 part 1 and new designation. See DIN ISO

Name

Designation/

exemple

48 x 8

Nominal diameter

Standard

Application

Buttress metric thread, single-

10 to 640 mm

DIN 513

part 1 to part 3

General

or multiple-start

(30°/3° thread angle)

Buttress single-start thread

S 40 x 14 P7

DIN 2781 –

630 x 20

DIN 20 401 –

25 x 1.5

DIN 6063 –

KS 22

40 x 1/6

40 x 1/3 P1/6

100 to

DIN 2781

For machine tools, hydraulic

1250 mm

6 to 40 mm

DIN 20 401

presses

Mining industry

(45°/0° thread angle)

Buttress thread,

part 1 and part 2

10 to 50 mm

DIN 6063

part 1

Preferably for packages made

of plastics

(30°/3° thread angle)

Buttress thread

(40°/10° thread angle)

Knuckle parallel thread,

single- or multiple-start

(30° thread angle)

Knuckle parallel thread

(30° thread angle)

8 to 200 mm

DIN 405

part 1 and part 2

General

40 x 5

10 to 300 mm

DIN 20 400

Mining industry, with large

thread overlap

For lifting hooks

For steel sheet items and

related joints

DIN 15 403 –

Rd 80 x 10

DIN 7273 –

Rd 70

Round parallel thread with

clearance

DIN 262 –

59 x 7

50 to 320 mm

20 to 100 mm

DIN 15 403

DIN 7273

part 1

34 to 79 mm

DIN 262

part 1 and part 2

For rail vehicles

50 mm

DIN 264

part 1 and part 2

40, 80 and

DIN 3182

Respirators and gas masks

For glass containers

(steep flank: 15°56’ thread

angle)

DIN 262 –

Rd 59 x 7 left

DIN 264 –

Rd 50 x 7

(flat flank: 30° thread angle)

Round parallel thread

DIN 264 –

Rd 50 x 7 left

DIN 3182 –

40 x 1/ 7

DIN 168 –

25 x 3

DIN 4930 –

Gf 127

110 mm

8 to 45 mm

part 1

DIN 168

Round parallel thread

part 1

127 mm

DIN 4930

part 2

Tubes for tunneling

(30°/60° thread angle)

Round taper thread

Name

Designation/

exemple

DIN 40 400 –

E 27

Nominal diameter

14 mm

16 mm

18 mm

27 mm

33 mm

5 mm

10 mm

40 mm

28 and 40 mm

Standard

DIN 40 400

Application

For d-type fuses

(E 14 and E 27 for lamp-sockets)

Edison thread

DIN 49 612 –

DIN 49 610 –

E 10

DIN 49 625 –

E 40

Lamp-socket thread

DIN 49 689 –

DIN 49 612

DIN 49 610

DIN 49 625

DIN 49 689

External thread for lamp-sockets,

For lamp-sockets

28 x 2

Parallel Whitworth thread

(55° thread angle)

Glasg

Glasg Thread for glass

(35°/50° thread angle)

W 3/16

DIN 49 301 –

DIN 49 301

internal thread for lampshade

holders

For d-type fuses, screw -in

gauge D ll and D lll

Electric industry: glass fittings,

protection glasses

DIN 40 450 –

Glasg 74,5

74,5 mm

84,5 mm

99 mm

123,5 mm

158 mm

188 mm

7 to 48 mm

DIN 40 450

Steel conduit thread

(80° thread angle)

DIN 40 430 –

Pg 21

DIN 7970 –

ST 3,5

DIN 7998–4

FG 9,5

DIN 40 430

For electric installations

Tapping screw thread

(60° thread angle)

Wood screw thread

(60° thread angle)

1,5 to 9,5 mm

DIN 7970

ISO 1478

DIN 7998

DIN 79 012

For tapping screws

1,6 to 20 mm

2 to 34,8 mm

For wood screws

For cycles and motor-scooters

Bicycle screw thread

(60° thread angle)

Threads for valves

(60° thread angle)

Taper Whitworth thread

(55° thread angle),

taper 3:25

Parallel Whitworth thread

(55° thread angle)

DIN 7756 –

Vg 12

DIN 477 –

W 28,8 x 1/14 tap

DIN 477 –

W 21,80 x 1/14

W 80 x 1/11

5 to 12 mm

DIN 7756

Valves for tires

19,8 mm,

28,8 mm,

31,3 mm

21,8 mm,

24,32 mm,

25,4 mm

80 mm

1 / – 3/

4 8

DIN 477

part 1

Gas cylinders, thread for

main nozzle

Gas cylinders, thread for

side nozzles

Gas cylinders, thread for neck

rings and protection caps

Connections to photographic

equipment

DIN 4668

DIN 4503

ISO 1222

ABC

Tripod thread

(60° thread angle)

Name

DIN 4503

A 1/ 4

Designation/

exemple

Nominal diameter

Standard

Application

RMS

RMS-thread

(55° thread angle)

Taper thread

(60° thread angle), taper 1 :16

Taper thread (30°/30° thread

angle), taper 1:4

Bone screw thread

DIN 58 888 –

RMS

DIN 4941 –

Gg 51

DIN 20 314 –

20,32 mm

DIN 58 888

Objective for microscope

44,5 to

88,9 mm

3 1/ 2

4 1/ 2

5 1/ 2

1,5, 2, 2,7, 3,5

and 4,5 mm

DIN 4941

For drill pipes in water and

rock drilling, mining

DIN 20 314

DIN 58 810 –

HA 4,5

For surgical implants, external

and internal thread

DIN 58 810

Bone screw thread

DIN 58 810 –

HB 6,5

4 to 6,5 mm

T 44-48

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Screw threads to DIN standards.pdf

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