Page 434 - ISCAR(MILLINGCATALOG 38_2021)
P. 434
THREAD MILLING TOOLS
TP
MTH-BSPT (int. & ext.) W1
Helical External & Internal Thread
Milling Inserts for BSPT Thread lNSL
for Steam, Gas and Water Pipes
S1
TP NUT
27.5° 27.5° Dimensions
RE=0.137TP
90° Taper 1:16
SCREW
BSPT
Designation TPI (1) INSL W1 S1 THID (2) THOD (3) TP (4) IC908
MTH 23 11 BSPT 11.0 27.00 8.00 3.50 >1" BSPT >1" BSPT 2.309 •
MTH 32 11 BSPT 11.0 32.00 9.00 4.00 >1_1/8" BSPT >1" BSPT 2.309 •
MTH 45 11 BSPT 11.0 37.00 11.90 5.00 >1_3/4" BSPT >1" BSPT 2.309 •
MTH 63 11 BSPT 11.0 38.00 11.90 5.00 >2_1/2 BSPT >1" BSPT 2.309 •
• For cutting speed recommendations, see page 435
(1) Threads per inch
(2) Internal thread designation
(3) External thread designation
(4) Thread pitch
For tools, see pages: MTSRH (endmills) (418) • MTSRH (helical shell mill) (418)
TP
MTH-NPT (int. & ext.) W1
External & Internal NPT Helical
Thread Milling Inserts for lNSL
Steam, Gas and Water Pipes
S1
TP NUT Dimensions
30° 30°
90° Taper 1:16
SCREW
Designation TPI (1) INSL W1 S1 THID (2) THOD (3) TP (4) IC908
MTH 23 11.5 NPT 11.5 27.00 8.00 3.50 1-2" NPT 1-2" NPT 2.209 •
MTH 32 11.5 NPT 11.5 32.00 9.00 4.00 1_1/4"-2" NPT 1-2" NPT 2.209 •
MTH 45 11.5 NPT 11.5 37.00 11.90 5.00 2" NPT 1-2" NPT 2.209 •
MTH 45 8 NPT 8.0 37.00 11.90 5.00 2_1/2"-3" NPT - 3.175 •
MTH 63 11.5 NPT 11.5 38.00 11.90 5.00 - 1-2" NPT 2.209 •
MTH 63 8 NPT 8.0 38.00 11.90 5.00 2_1/2"-3" NPT - 3.175 •
• For cutting speed recommendations, see page 435
(1) Threads per inch
(2) Internal thread designation
(3) External thread designation
(4) Thread pitch
For tools, see pages: MTSRH (endmills) (418) • MTSRH (helical shell mill) (418)
TP
MTH-NPTF (int. & ext.) W1
External & Internal NPTF Helical
Thread Milling Inserts for lNSL
Steam, Gas and Water Pipes
S1
TP NUT
Dimensions
55°
RE=0.137TP
SCREW
Designation TPI (1) INSL W1 S1 THID (2) THOD (3) TP (4) IC908
MTH 23 11.5 NPTF 11.5 27.00 8.00 3.50 1"-2" NPTF 1"-2" NPTF 2.209 •
MTH 32 11.5 NPTF 11.5 32.00 9.00 4.00 1_1/4"-2" NPTF 1"-2" NPTF 2.209 •
• For cutting speed recommendations, see page 435
(1) Threads per inch
(2) Internal thread designation
(3) External thread designation
(4) Thread pitch
For tools, see pages: MTSRH (endmills) (418) • MTSRH (helical shell mill) (418)
432 ISCAR
