Page 221 - THREADING CATALOG

INSL
S

AMERICAN STANDARD
BUTTRESS THREADING 3˚ 45˚
FLTB-A PDX BW
Double-Ended, Precision, Flat 7˚
Top Threading Inserts for 7° Lead RE Right-hand shown
TP NUT M E T R I C THREAD TURNING
45°
Dimensions
7°
SCREW
Designation TPIN (1) TPIX (2) RE PDX BW S INSL IC908
FLTB-4R/LA 4.00 6.00 0.20 5.20 6.48 11.51 28.45 •
FLTB-3R/LA 8.00 16.00 0.13 4.20 4.95 8.74 22.60 •
FLTB-2R/LA 16.00 20.00 0.05 3.20 3.81 5.56 12.95 •
• internal tolerance: ANSI/ASME B1.9 - class 2B • external tolerance: ANSI/ASME B1.9 - class 2A
• For user guide, see page 84
• DMIN according to related boring bar
(1) TPI min.
(2) TPI max.
Tools: FLASR/L • FLSR/L
I N C H
Dimensions
IC908
Designation TPIN (1) TPIX (2) RE PDX BW S INSL
FLTB-4R/LA 4.00 6.00 .0079 .2047 .255 .453 1.120 •
FLTB-3R/LA 8.00 16.00 .0051 .1654 .195 .344 .890 •
FLTB-2R/LA 16.00 20.00 .0020 .1260 .150 .219 .514 •
• internal tolerance: ANSI/ASME B1.9 - class 2B • external tolerance: ANSI/ASME B1.9 - class 2A
• For user guide, see page
• DMIN according to related boring bar
(1) TPI min.
(2) TPI max.
Tools: A-FLER/L • FLASR/L • FLSR/L • H-FLER

INSL
S

AMERICAN STANDARD PDX
BUTTRESS THREADING 7˚
FLTB-B BW
Double-Ended, Precision, Flat Top RE 3˚
Threading Inserts for 45° Lead 45˚ Left-hand shown
TP NUT M E T R I C
45°
Dimensions
7°
SCREW
Designation TPIN (1) TPIX (2) RE PDX BW S INSL IC908
FLTB-4R/LB 4.00 6.00 0.20 0.40 6.48 11.51 28.45 •
FLTB-3R/LB 8.00 16.00 0.13 0.30 4.95 8.74 22.60 •
FLTB-2R/LB 16.00 20.00 0.05 0.30 3.81 5.56 12.95 •
• internal tolerance: ANSI/ASME B1.9 - class 2B • external tolerance: ANSI/ASME B1.9 - class 2A
• For user guide, see page 84
• DMIN according to related boring bar
(1) TPI min.
(2) TPI max.
Tools: FLASR/L • FLSR/L
I N C H
Dimensions
IC908
Designation TPIN (1) TPIX (2) RE PDX BW S INSL
FLTB-4R/LB 4.00 6.00 .0079 .0157 .255 .453 1.120 •
FLTB-3R/LB 8.00 16.00 .0051 .0118 .195 .344 .890 •
FLTB-2R/LB 16.00 20.00 .0020 .0118 .150 .219 .514 •
• internal tolerance: ANSI/ASME B1.9 - class 2B • external tolerance: ANSI/ASME B1.9 - class 2A
• For user guide, see page 84
• DMIN according to related boring bar
(1) TPI min.
(2) TPI max.
Tools: A-FLER/L • FLASR/L • FLSR/L • H-FLER

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