<< FULL-TORQUE® - Thread Replacement << FULL-TORQUE® - Inserts
FULL-TORQUE® - FFT Inserts
FFT Inserts (Imperial – Inch)
Selection Chart
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FFT Style inserts are one of the most popular and easiest to install. |
Our insert Finishing is flush to the surface when installed. |
Torque tightening of the bolt into the insert creates a upward drawing force required to maintain the radial drawing force that reinforces the surrounding metal. |
FFT Inserts (Imperial – Inch)
Internal Thread Size |
A |
B |
Drill Size |
Drill P/N |
Tap P/N |
Install Tool P/N |
Starter Kit P/N |
1/4-20 |
0.353 |
0.315 |
0.316 |
FT2DB-1 |
FT2FT-1 |
FP21420K |
FFT2S1420K |
1/4-20 |
0.353 |
0.630 |
0.316 |
FT2DB-1 |
FT2FT-1 |
FP21420K |
FFT21420K |
1/4-28 |
0.353 |
0.315 |
0.316 |
FT2DB-1 |
FT2FT-1 |
FP21428K |
FFT2S1428K |
1/4-28 |
0.353 |
0.630 |
0.316 |
FT2DB-1 |
FT2FT-1 |
FP21428K |
FFT21428K |
5/16-18 |
0.465 |
0.400 |
27/64" |
FT3DB-1 |
FT3FT-1 |
FP351618K |
FFT3S51618K |
5/16-18 |
0.465 |
0.780 |
27/64" |
FT3DB-1 |
FT3FT-1 |
FP351618K |
FFT351618K |
5/16-24 |
0.465 |
0.400 |
27/64" |
FT3DB-1 |
FT3FT-1 |
FP351624K |
FFT3S51624K |
5/16-24 |
0.465 |
0.780 |
27/64" |
FT3DB-1 |
FT3FT-1 |
FP351624K |
FFT351624K |
3/8-16 |
0.595 |
0.470 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP43816K |
FFT4S3816K |
3/8-16 |
0.595 |
0.935 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP43816K |
FFT43816K |
3/8-24 |
0.595 |
0.470 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP43824K |
FFT4S3824K |
3/8-24 |
0.595 |
0.935 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP43824K |
FFT43824K |
7/16-14 |
0.595 |
0.625 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP471614K |
FFT4S71614K |
7/16-14 |
0.595 |
1.100 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP471614K |
FFT471614K |
7/16-20 |
0.595 |
0.625 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP471620K |
FFT4S71620K |
7/16-20 |
0.595 |
1.100 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP471620K |
FFT471620K |
1/2-13 |
0.735 |
0.750 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51213K |
FFT5S1213K |
1/2-13 |
0.735 |
1.500 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51213K |
FFT51213K |
1/2-20 |
0.735 |
0.750 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51220K |
FFT5S1220K |
1/2-20 |
0.735 |
1.500 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP51220K |
FFT51220K |
9/16-12 |
0.860 |
0.750 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP691612K |
FFT6S91612K |
9/16-12 |
0.860 |
1.410 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP691612K |
FFT691612K |
9/16-18 |
0.860 |
0.750 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP691618K |
FFT6S91618K |
9/16-18 |
0.860 |
1.410 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP691618K |
FFT691618K |
5/8-11 |
0.860 |
0.780 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFT6S5811K |
5/8-11 |
0.860 |
1.560 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65811K |
FFT65811K |
5/8-18 |
0.860 |
0.780 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65818K |
FFT6S5818K |
5/8-18 |
0.860 |
1.560 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP65818K |
FFT65818K |
3/4-10 |
1.095 |
0.940 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP83410K |
FFT8S3410K |
3/4-10 |
1.095 |
1.875 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP83410K |
FFT83410K |
3/4-16 |
1.095 |
0.940 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP83416K |
FFT8S3416K |
3/4-16 |
1.095 |
1.875 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP83416K |
FFT83416K |
7/8-9 |
1.220 |
1.100 |
1-9/64” |
FT9DB-1 |
FT9FT-1 |
FP97809K |
FFT9S7809K |
7/8-9 |
1.220 |
1.750 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP97809K |
FFT97809K |
7/8-14 |
1.220 |
1.100 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP97814K |
FFT9S7814K |
7/8-14 |
1.220 |
1.750 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP97814K |
FFT97814K |
1"-8 |
1.220 |
1.125 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP91008K |
FFT9S1008K |
1"-8 |
1.220 |
2.500 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP91008K |
FFT91008K |
1"-14 |
1.220 |
1.125 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP91014K |
FFT9S1014K |
1"-14 |
1.220 |
2.000 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP91014K |
FFT91014K |
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All dimensions are in Imperial – Inches unless otherwise stated
FFT Inserts (Metric – mm)
Selection Chart
 |
| FFT Style inserts are one of the most popular and easiest to install. |
There finishing is flush to the surface when installed. |
Torque tightening of the bolt into the insert creates a upward drawing force required to maintain the radial drawing force that reinforces the surrounding metal. |
FFT Inserts (Metric – mm)
Internal Thread Size |
A (mm) |
B (mm) |
Drill Size |
Drill P/N |
Tap P/N |
Install Tool P/N |
Starter Kit P/N |
6mm X 1.00 |
8.97 |
8.00 |
0.316” |
FT2DB-1 |
FT2FT-1 |
FP26100K |
FFT2S6100K |
6mm X 1.00 |
8.97 |
14.99 |
0.316” |
FT2DB-1 |
FT2FT-1 |
FP26100K |
FFT26100K |
7mm X 1.00 |
8.97 |
8.64 |
0.316” |
FT2DB-1 |
FT2FT-1 |
FP27100K |
FFT2S7100K |
7mm X 1.00 |
8.97 |
17.53 |
0.316” |
FT2DB-1 |
FT2FT-1 |
FP27100K |
FFT27100K |
8mm x 1.25 |
11.81 |
10.16 |
27/64" |
FT3DB-1 |
FT3FT-1 |
FP38125K |
FFT3S8125K |
8mm x 1.25 |
11.81 |
19.81 |
27/64" |
FT3DB-1 |
FT3FT-1 |
FP38125K |
FFT38125K |
10mm x 1.50 |
15.11 |
12.70 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP410150K |
FFT4S10150K |
10mm x 1.50 |
15.11 |
25.02 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP410150K |
FFT410150K |
11mm x 1.50 |
15.11 |
12.70 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP411150K |
FFT4S11150K |
11mm x 1.50 |
15.11 |
25.02 |
33/64" |
FT4DB-1 |
FT4FT-1 |
FP411150K |
FFT411150K |
12mm x 1.75 |
18.67 |
15.24 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP512175K |
FFT5S12175K |
12mm x 1.75 |
18.67 |
30.23 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP512175K |
FFT512175K |
14mm x 2.00 |
18.67 |
15.24 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP514200K |
FFT5S14200K |
14mm x 2.00 |
18.67 |
28.45 |
21/32" |
FT5DB-1 |
FT5FT-1 |
FP514200K |
FFT514200K |
16mm x 2.00 |
21.84 |
19.81 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP616200K |
FFT6S16200K |
16mm x 2.00 |
21.84 |
39.75 |
51/64" |
FT6DB-1 |
FT6FT-1 |
FP616200K |
FFT616200K |
18mm x 2.50 |
24.64 |
22.48 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FP718250K |
FFT7S18250K |
18mm x 2.50 |
24.64 |
44.98 |
57/64" |
FT7DB-1 |
FT7FT-1 |
FP718250K |
FFT718250K |
20mm x 2.50 |
27.81 |
23.88 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP820250K |
FFT8S20250K |
20mm x 2.50 |
27.81 |
47.63 |
1-1/64" |
FT8DB-1 |
FT8FT-1 |
FP820250K |
FFT820250K |
24mm x 3.00 |
30.99 |
30.48 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP924300K |
FFT9S24300K |
24mm x 3.00 |
30.99 |
60.33 |
1-9/64" |
FT9DB-1 |
FT9FT-1 |
FP924300K |
FFT924300K |
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All dimensions are in Imperial – Inches unless otherwise stated
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