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BIG-SERT OVERSIZED THREAD REPAIR KITS AND INSERTS
Used for threads which have been previously repaired and failed.
These kits will repair holes that were repaired by helicoil, perma-coil,
uni-coil, recoil or any other simular coil style insert that has failed.
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BIG-SERT® is a heavy wall solid bushing, easy to install with positive placement.
BIG-SERT® gives increased load protection for critical use.
BIG-SERT® will repair oversize holes which have previously been repaired. |
NOTE: Bottom few internal threads are incomplete.
The install driver seats the insert and completes the bottom internal threads locking the insert in place.
This pushes the pin out to contact the threaded hole. Back out of the insert is prevented by the cam lock effect of the pin.
KIT CONTENTS:
- Drill
- Counterbore
- Tap
- Insert Driver
- Five (5) Steel Inserts
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NOTE: Lengths marked in RED are the inserts supplied in the kits.
Click here: for Engineering data
We recommend using sealer 6020 on external thread of insert for added strength.
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METRIC |
KIT SIZE |
PART NO. |
INSERTS
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KIT SIZE |
PART NO. |
INSERTS
|
LENGTH
INCHES |
PART
NO. |
LENGTH
mm |
PART
NO. |
10-32 |
|
.187
|
50324 |
M5x0.8 |
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7.6
10.0 |
55081
55083 |
1/4-20 |
|
.380
.500 |
54201
54203 |
1/4-28 |
|
.380
.500 |
54481
54483 |
M6x1.0 |
|
9.4
12.0 |
56101
56103 |
5/16-18 |
|
.450
.620 |
55611
55613 |
M7x1.0 |
|
10.0 |
57101 |
M8x1.25 |
|
11.7
16.2
18.0
|
|
M8x1.0 |
|
11.7
|
58101
|
5/16-24 |
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.450
.620 |
55621
55623 |
M10x1.0 |
|
9.0
15.0 |
50111
50113 |
3/8-16 |
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.400
.520
.750
1.000
1.250
|
53810
53811 53813
53815
53817 |
M10x1.25 |
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14.0
20.0
24.5
|
50121
50123
50125 |
3/8-24 |
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.520
.750 |
53821
53823 |
M10x1.5 |
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9.4
11.0
14.0
20.0
24.5
30.0
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50150
50157
50151
50153
50155
50159
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7/16-14 |
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.600
.870
1.000
1.250 |
57611
57613
57615
57617 |
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30.0 |
51125 |
7/16-20 |
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.600
.870 |
57621
57623 |
M12x1.5 |
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9.2
16.2
24.0
30.0 |
52150
52151
52153
52155 |
1/2-13 |
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.480
.650
1.000 |
51210
51211
51213 |
M12x1.75 |
|
12.0
16.2
24.0
30.0 |
52170 52171
52173
52175 |
1/2-20 |
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.650
1.000 |
51221
51223 |
M12x1.25 |
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9.0
15.0
17.5
24.0
30.0 |
52120
52121
52122
52123
52125 |
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M11x2.0
M11x1.5
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5120
1115BS
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TAP GUIDES INSURE THAT THREADS ARE SQUARE TO SURFACE. |
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The lower portion of the tap guide should remain as square as possible to the engine surface.
Turn the tap slowly while making sure the guide remains flush.
TAP GUIDES |
| INCH SIZE |
PART NO. |
| 1/4-20 |
75405 |
| 1/4-28 |
75405 |
| 5/16-18 |
75515 |
| 5/16-24 |
75515 |
| 3/8-16 |
75315 |
| 3/8-24 |
75315 |
| 7/16-14 |
57655 |
| 7/16-20 |
57655 |
| 1/2-13 |
75115 |
| 1/2-20 |
75115 |
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| METRIC SIZE |
PART NO. |
| M6x1.0 |
75605 |
| M8x1.25 |
75825 |
| M10x1.0 |
75025 |
| M10x1.25 |
75025 |
| M10x1.5 |
75025 |
| M12x1.25 |
75255 |
| M12x1.5 |
75255 |
| M12x1.75 |
75255 |
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TimeSert ® is a registered trademark. No duplication is permitted without the written consent of TIME FASTENER COMPANY. Contents are copyrighted © TIME FASTENER COMPANY 1999 - 2020.