c-2900-26

ENG
A
THREAD TURNING
Insert overview
B
Threading profiles
V-profile 60° Non-topping V-profile 55° Non-topping Metric 60° Full form UN 60° Full form
ISO 965-1998 Tolerance class 6 ISO 5864-1978
Tolerance class 2A, ext.
Tolerance class 2B, int.
Whitworth 55° (BSW, BSF, BSP) Full
form
ISO 228-1982
BS 2779-1973
BS 84-1956
Class A tolerance
C
Internal External Internal External Internal External Internal External Internal External
CoroThread® 266 C5 C5 C6 C6 C9-C10 C7-C8 C13-C14 C11-C12 C16 C15
T-Max U-Lock® C45 C46 C47 C48 C49
CoroCut® XS C56 C57 C58 C58
CoroTurn® XS C60 C61 C62 C63
CoroCut® MB C67 C68 C69 C70
NPT 60° (NPSC, NPTR, LINE PIPE) Full
form
BSPT 55° Full form NPTF 60° Full form Round 30° Full form MJ 60° Full form
ANSI B.1.20.1-1983 ISO 7/1 ANSI B1.20.3-1976 DIN 405. ISO 5855-1983
D
BS21:1985 Tolerance class 2 Tolerance class 7 on effective dia. Tolerance class 4 on pitch diameter.
Tolerance class 6 on major (external)
and minor (internal) dia.
Tolerance class 6 on major (external)
and minor (internal) dia.
Internal External Internal External Internal External Internal External Internal External
CoroThread® 266 C18 C17 C19 C19 C20 C20 C21 C21 C22
T-Max U-Lock®
C50
CoroCut® XS
C58
CoroTurn® XS
C64
CoroCut® MB
C71
E
UNJ 60° Full form
ISO Trapezoidal 30° Chamfered crest
form
ACME 29° Chamfered crest form
STUB-ACME 29° Chamfered crest
form
API 60° Full form for shouldered
connections
ISO 3161-1977
BS 4084-1978
Tolerance class 3A
ISO 2901-2904 ANSI B1.5-1988 ANSI B1.8-1988 API spec.7
DIN 103-1977 Tolerance class 2G Tolerance class 2G
Tolerance class 7
F
Internal External Internal External Internal External Internal External Internal External
CoroThread® 266 C23 C24 C24 C25 C25 C26 C26 C27 C27
T-Max U-Lock®
CoroCut® XS
CoroTurn® XS
C65
CoroCut® MB C72 C72
API Round 60° Full form
API Full form for tubes and casings
G
API spec.5B
API spec.5B
H
Internal External Internal External
CoroThread® 266 C28 C28 C29 C29
T-Max U-Lock®
CoroCut® XS
CoroTurn® XS
CoroCut® MB
THREAD TURNING Insert overview
C 2