<< FULL-TORQUE® - Thread Replacement << FULL-TORQUE® - Inserts
FULL-TORQUE® - FST Inserts &
Special Application Inserts
FST Inserts Selection Chart
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The shoulder at the top of the insert adds additional hoop strength around the threaded hole for better resistance to side loading. |
FST Inserts Chart (Imperial – Inch)
Internal Thread Size |
A |
B |
Shoulder Diameter |
Shoulder Diameter |
Drill Size |
Drill P/N |
Tap P/N |
Spotfacer P/N |
Install Tool P/N |
Starter Kit P/N |
3/8-16 |
0.595 |
0.750 |
0.730 |
0.150 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FT4PSF-1 |
FP43816K |
FST43816K |
3/8-24 |
0.595 |
0.750 |
0.730 |
0.150 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FT4PSF-1 |
FP43824K |
FST43824K |
7/16-14 |
0.595 |
0.750 |
0.730 |
0.150 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FT4PSF-1 |
FP471614K |
FST471614K |
7/16-20 |
0.595 |
0.750 |
0.730 |
0.200 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FT4PSF-1 |
FP471620K |
FST471620K |
1/2-13 |
0.735 |
1.000 |
0.852 |
0.200 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FT5PSF-1 |
FP51213K |
FST51213K |
1/2-20 |
0.735 |
1.000 |
0.852 |
0.200 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FT5PSF-1 |
FP51220K |
FST51220K |
5/8-11 |
0.860 |
1.250 |
0.991 |
0.225 |
25/32" |
FT6DB-1 |
FT6FT-1 |
FT6PSF-1 |
FP65811K |
FST65811K |
5/8-18 |
0.860 |
1.250 |
0.991 |
0.225 |
25/32" |
FT6DB-1 |
FT6FT-1 |
FT6PSF-1 |
FP65818K |
FST65818K |
3/4-12 |
0.970 |
0.830 |
1.168 |
0.140 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FT7PSF-1 |
None |
FST73412K |
3/4-10 |
1.095 |
1.500 |
1.228 |
0.275 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FT8PSF-1 |
FP83410K |
FST83410K |
3/4-16 |
1.095 |
1.500 |
1.228 |
0.275 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FT8PSF-1 |
FP83416K |
FST83416K |
7/8-12 |
1.095 |
0.850 |
1.228 |
0.150 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FT8PSF-1 |
None |
FST87812K |
7/8-14 |
1.220 |
1.750 |
1.355 |
0.300 |
1-9/64" |
FT9DB-1 |
FT9F-T |
FT9PSF-1 |
FP97814K |
FST97814K |
7/8-18 |
1.095 |
0.700 |
1.228 |
0.150 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FT8PSF-1 |
FP87818K |
FST87818K |
7/8-9 |
1.220 |
1.750 |
1.355 |
0.300 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FT9PSF-1 |
FP97809K |
FST97809K |
1"-8 |
1.220 |
2.000 |
1.355 |
0.300 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FT9PSF-1 |
FP91008K |
FST91008K |
1"-12 |
1.220 |
0.850 |
1.355 |
0.150 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FT9PSF-1 |
None |
FST910012K |
1"-14 |
1.220 |
2.000 |
1.355 |
0.300 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FT9PSF-1 |
FP91014K |
FST91014K |
1-1/8"-12 |
1.364 |
0.980 |
1.565 |
0.150 |
1-17/64" |
*# |
FT10FT-1 |
FT10PSF-1 |
None |
FST1011812K |
*# NOTE: FTSDH4810 and FT10SDI
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FST Inserts (Metric – mm)
Internal Thread Size |
A
(mm) |
B
(mm) |
Shoulder Diameter (mm) |
Shoulder Length (mm) |
Drill Size |
Drill P/N |
Tap P/N |
Spotfacer P/N |
Install Tool P/N |
Starter Kit P/N |
10mm x 1.50 |
15.11 |
19.05 |
18.57 |
3.81 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FT4PSF-1 |
FP410150K |
FST410150K |
11mm x 1.50 |
15.11 |
38.10 |
18.57 |
3.81 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FT4PSF-1 |
FP411150K |
FST411150K |
14mm x 2.00 |
18.67 |
19.05 |
21.64 |
3.81 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FT5PSF-1 |
FP514200K |
FST514200K |
16mm x 2.00 |
21.84 |
31.75 |
25.17 |
5.72 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FT6PSF-1 |
FP616200K |
FST616200K |
18mm x 2.50 |
24.64 |
35.56 |
29.67 |
6.35 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FT7PSF-1 |
FP718250K |
FST718250K |
20mm x 2.50 |
27.81 |
40.01 |
31.19 |
6.99 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FT8PSF-1 |
FP820250K |
FST820250K |
24mm x 3.00 |
30.99 |
50.80 |
34.42 |
7.62 |
1-33/64" |
FT9DB-1 |
FT9FT-1 |
FT9PSF-1 |
FP924300K |
FST924300K |
FST Special Application (Metric – mm)
Internal Thread Size |
A
(mm) |
B
(mm) |
Shoulder Diameter
(mm) |
Shoulder Length
(mm) |
Drill Size |
Drill P/N |
Tap P/N |
Spotfacer P/N |
Install Tool P/N |
Starter Kit P/N |
20mm x 2.50 |
27.81 |
53.98 |
31.19 |
6.99 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FT8PSF-1 |
FP820250K |
FST8SP001K |
All dimensions are in Imperial – Inches unless otherwise stated
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