ARNO ® Thread turning 4.2 4.2 INFORMATION: The most common threads are shown on above table. Other threads on request. 4 M G Rp R Tr S Rd E W Pg UN UNJ NPT NPTF ACME Stub- ACME Identifi- Short description Description DIN-Standard Available threading cation Example insert ISO-Metric • Partial profile 60° M 30 thread DIN 13 T1 • ISO-Metric (full profile) M 20 x 1 Coarse pitch DIN 13 T2-11 barrel fittings DIN 6630 - M 64 x 4 external DIN 6630 metric tapered DIN 158 - M 30 x 2 keg external thread DIN 158 • on request Cylindrical • Partial profile 55° pipe thread, • Whitworth pipe thread no sealing BSW, BSP thread, (full profile) G 1 1 /2 internal thread DIN ISO 228 T1 G 1 1 /2 A external thraed DIN ISO 228 T1 Cylindrical • Partial profile 55° DIN 2999 - Rp 1 /2 pipe thread, DIN 2999 T1 • Whitworth pipe thread sealing thread, BSW, BSP (full profile) DIN 3858 - Rp 1 /8 internal thread DIN 3858 tapered • Tapered pipe thread DIN 2999 - R 1 /2 pipe thread, DIN 2999 T1 BSPT sealing thread, (full profile) DIN 3858 - R 1 /8 - 1 external thread DIN 3858 ISO-Trapezoidal • Trapezoidal thread DIN 103 Tr 40 x 7 thread, general DIN 103 T1-8 (full profile) S 48 x 8 Buttres thread, general DIN 513 T2 • on request Rd 40 x 1 /8 Round thread, general DIN 405 • Round thread DIN 405 (full profile) Rd 40 x 5 Cylindrical round DIN 20400 • on request thread for mining DIN 40400 - E 27 Electric thread DIN 40400 • on request Cylindrical • Partial profile 55° DIN 477 - W 21,8 x 1 / 14 Whitworth thread DIN 477 T1 • Whitworth pipe thread BSW, BSP (full profile) Tapered • on request DIN 477 - W 28,8 x 1 / 14 keg Whitworth thread DIN 40430 - Pg 21 PG-thread DIN 40430 • PG-thread DIN 40430 (full profile) American • American UN-thread UN-thread 1 /4 - 20 UNC - 2A Coarse pitch (full profile) 1 /4 - 28 UNF - 3A Fine pitch 1 /4 - 28 UNJ - 3A Aerospace thread • Aerospace thread UNJ (full profile) 3 /8 - 18 NPT Tapered pipe thread • Tapered pipe thread NPT (full profile) 1 /8 - 27 NPTF - 1 Tapered fine pitch • Tapered fine pitch pipe thread pipe thread NPTF (full profile) American trapezoidel • American trapezoidel thread 1 3 /4 - ACME - 2G thread ACME (full profil) American flat • on request 1 /2 - 20 Stub-ACME trapezoidal thread

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ARNO® Thread turning

4.2 4.2INFORMATION: The most common threads are shown on above table. Other threads on request.

UNJ

NPT

NPTF

ACME

Stub-ACME

Identifi- Short description Description DIN-Standard Available threadingcation Example insert

ISO-Metric • Partial profile 60°M 30 thread DIN 13 T1 • ISO-Metric

(full profile)M 20 x 1 Coarse pitch DIN 13 T2-11

barrel fittingsDIN 6630 - M 64 x 4 external DIN 6630

metric taperedDIN 158 - M 30 x 2 keg external thread DIN 158 • on request

Cylindrical • Partial profile 55°pipe thread, • Whitworth pipe threadno sealing BSW, BSPthread, (full profile)

G 11/2 internal thread DIN ISO 228 T1G 11/2 A external thraed DIN ISO 228 T1

Cylindrical • Partial profile 55°DIN 2999 - Rp 1/2 pipe thread, DIN 2999 T1 • Whitworth pipe thread

sealing thread, BSW, BSP (full profile)DIN 3858 - Rp 1/8 internal thread DIN 3858

tapered • Tapered pipe threadDIN 2999 - R 1/2 pipe thread, DIN 2999 T1 BSPT

sealing thread, (full profile)DIN 3858 - R 1/8 - 1 external thread DIN 3858

ISO-Trapezoidal • Trapezoidal thread DIN 103Tr 40 x 7 thread, general DIN 103 T1-8 (full profile)S 48 x 8 Buttres thread, general DIN 513 T2 • on requestRd 40 x 1/8 Round thread, general DIN 405 • Round thread DIN 405

(full profile)Rd 40 x 5 Cylindrical round DIN 20400 • on request

thread for miningDIN 40400 - E 27 Electric thread DIN 40400 • on request

Cylindrical • Partial profile 55°DIN 477 - W 21,8 x 1/14 Whitworth thread DIN 477 T1 • Whitworth pipe thread

BSW, BSP (full profile)Tapered • on request

DIN 477 - W 28,8 x 1/14 keg Whitworth threadDIN 40430 - Pg 21 PG-thread DIN 40430 • PG-thread

DIN 40430 (full profile)American • AmericanUN-thread UN-thread

1/4 - 20 UNC - 2A Coarse pitch (full profile)1/4 - 28 UNF - 3A Fine pitch1/4 - 28 UNJ - 3A Aerospace thread • Aerospace thread

UNJ (full profile)3/8 - 18 NPT Tapered pipe thread • Tapered pipe thread

NPT (full profile)1/8 - 27 NPTF - 1 Tapered fine pitch • Tapered fine pitch pipe thread

pipe thread NPTF (full profile)American trapezoidel • American trapezoidel thread

13/4 - ACME - 2G thread ACME (full profil)American flat • on request

1/2 - 20 Stub-ACME trapezoidal thread