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Thread Repair Kits for BSW-Thread
BSW = British Standard Whitworth Coarse Thread Series BS 84
the Set includes:
Drill HSS
STI Bottoming Tap HSSG
Inserting Tool
Tang Break Tool
Wire Thread Inserts - type: “free running“ - length: 1.5 D

| for Thread |
Inserting Tool |
Tang Break Tool |
Drill |
Thread Inserts pcs
1,5xD |
Art.Nr. |
| BSW 1/8 x 40 |
EBW03 |
BZ003 |
3,4mm |
20 |
B4141 |
| BSW 3/16 x 24 |
EBW05 |
BZ005 |
5,0mm |
20 |
B4142 |
| BSW 1/4 x 20 |
EBW06 |
BZ006 |
6,7mm |
20 |
B4143 |
| BSW 5/16 x 18 |
EBW07 |
BZ006 |
8,3mm |
20 |
B4144 |
| BSW 3/8 x 16 |
EBW08 |
BZ008 |
9,9mm |
15 |
B4145 |
| BSW 7/16 x 14 |
EBW10 |
BZ010 |
11,6mm |
10 |
B4146 |
| BSW 1/2 x 12 |
EBW12 |
BZ012 |
13,0mm |
10 |
B4147 |
| BSW 9/16 x 12 |
EBW14 |
|
|
5 |
B4148 |
| BSW 5/8 x 11 |
EBW14 |
|
|
5 |
B4149 |
| BSW 11/16 x 11 |
EBW16 |
|
|
5 |
B4153 |
| BSW 3/4 x 10 |
EBW18 |
|
|
5 |
B4150 |
| BSW 7/8 x 9 |
EBW22 |
|
|
5 |
B4151 |
| BSW 1 x 8 |
EBW24 |
|
|
4 |
B4152 |
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1.Drilling
Clear the damaged thread with a standard drill.
To repair a spark plug thread no pre-drilling
is necessary if using the special spark plug tap. |
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2.Tapping
Use the special BaerCoil taps for cutting the
holding thread into the hole. It is recommended to
use a suitable cutting oil. |
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3.Install the insert
Place insert on the installation tool ans position
the adjustable ring so that the insert tang is
centred in the tang slot. Wind the insert with a light
downward pressure until a half turn below the surface.
Don't worl against thread direction as the tang could
break. |
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4.Tang removal
Lift the tool from tang, turn tool 90° and tap
down sharply. Use tang break-off tool where supplied.
For bigger sizes and spark plug use a long nose pliers
to remove the tang. |
Instruction for use
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