Material Specifi c MS
ZELX NI PO STI
HSS-P NX ANSIM MF UNC/UNF UNS8122032UN
, , , , UNEF
G(BSP) Rp (BSPP) Rc(BSPT) NPT
NPTF NPSC,NPSM,NPSF BSW
537EG(STI),M,MF,UNC/UNF P
g Tr
S miniature Special threads
Vc (m/min)P1
H 5÷15P2 P3
H 5÷15P4
I 5÷10P5 P6
H 5÷15P7
H 4÷8P8
H 5÷15M1
H 5÷15 H 4÷8M2 M3
K1
K2 K3
K4
N1 N2
N3
N4
H 5÷10N5 S1 (
H 5÷10 I 3÷6S2 ( S3 (35 ÷ 45 HRC) S5 H (45 ÷ 55 HRC) H (55 ÷ 63 HRC)

SP

SL

PO

ST

CARBIDE