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1
Cutting Tools
Drilling:
Bore out damaged thread with normal spiral drills.
Boring out is not required for spark plug threads - the combined
drilling and cutting tool should be used. Please note that larger
holes are required for thread formers.
Check:
Check the tap and thread bolt for the same thread and
gradient.
Thread:
Cut the mounting thread in the bored out hole with the
special V-COIL taps. The use of cutting oil is recommended.
Installing the thread insert:
Place the insert on the tool and make
sure that the carrier pin is in the slot opening and then make the right
setting with the adjustment ring. Then turn in the thread insert in the
thread direction applying light pressure.
Do not turn against the running direction,
as the pin can break off.
Breaking the pin:
After installation, take the insertion tool out and
remove the carrier pin with the pin breaker. The pin should be removed
with long nose pliers for larger dimensions
and spark plug threads. After completing
these steps, a thread is produced that is
often better and stronger than the original
thread due to the narrow and exact tolerances
as well as the spring thread forming.
Supplied in plastic cassette: thread extractor, spiral drill in core
hole dimensions, tap and thread inserts (1.5 x D).
Application:
Thread armouring of materials with low shearing
resistance e.g. aluminium and magnesium alloys, in mechanical
engineering, in automobile, electro and medical technology and in
aviation and aerospace. Thread repair of damaged or worn threads.
Reject recovery.
V-COIL thread repair assortment
Thread inserts
Design:
Standard thread insert, free running made of stainless
steel.
1.0 x D.
Order
No.
Size
1652
PU
0200
M3
14.50
100
0210
M4
14.50
100
0220
M5
16.55
100
0230
M6
17.60
100
0240
M8
18.65
100
0250
M10
23.80
100
0260
M12
35.20
100
(161)
Design:
Standard thread insert, free running made of stainless steel.
1.5 x D.
Order
No.
Size
1652
PU
0590
M3
15.55
100
0595
M4
15.55
100
0600
M5
13.45
100
0605
M6
14.50
100
0610
M8
18.65
100
0615
M10
25.90
100
0620
M12
40.40
100
(161)
Design:
Standard thread insert, free running made of stainless
steel.
2.0 x D.
Order
No.
Size
1653
PU
0300
M3
16.55
100
0310
M4
16.55
100
0320
M5
18.65
100
0330
M6
21.70
100
0340
M8
25.90
100
0350
M10
30.00
100
0360
M12
45.50
100
(161)
Design:
Standard thread insert, free running made of stainless steel
for
spark plug thread.
Order
No.
Size
1653
PU
Length of thread
mm
0840
MF14 x 1.25
28.50
50
8.4
1240
MF14 x 1.25
28.50
50
12.4
1640
MF14 x 1.25
28.50
50
16.4
(161)
Order
No.
Set contents
1652
0050
M5–M12
150.50
0075
M6–M10
89.70
0100
M6–M12 + M14 x 1.25
174.00
(161)
Thread cutting tools
192