Cobra 131 Piece Helicoil Thread Repair Kit
A professional quality 131 piece thread repair kit by Cobra Tools. Ideal tool kit for restoring and repairing damaged threads, suitable for engine repair and other automotive applications. M5 to M12 thread repair set which includes 110 wire threads. Manufactured from chrome vanadium steel for strength and durability. Supplied in handy high impact metal storage case. This is designed for professional or DIY use.
How to
use:
1. Drilling clear the damaged threads with a standard
drill (to repair a spark plug thread no predrilling is necessary if using the
special spark plug tap), please pay attention that for flute less taps bigger
holes are required.
2. Check that the thread and pitch of the tap and the
bolt match
3. Tapping use the special taps for cutting the holding
thread into the cleared hole (recommended to use a suitable cutting oil)
4. Install the insert place insert on installation tool
and position the adjustable ring so that the insert tang is centred in the tang
slot. Wind the insert in with a light downward pressure until a half turn below
the surface. Don't work against the thread direction as the tang could break
5. Tang removal after finishing lift the installation
tool and use the tang break tool to remove the tang. For bigger sizes and spark
plug taps use long nose pliers to remove the tang. Due to the narrow and exact
tolerances the new thread normally is stronger than the original ones.
Set
Includes:
25 x (Inserts) M5 x 0.8 x
6.7mm
25 x (Inserts) M6 x 1.0 x
8.0mm
25 x (Inserts) M8 x 1.25 x
10.8mm
25 x (Inserts) M10 x 1.5 x
13.5mm
10 x (Inserts) M12 x 1.75 x
16.3mm
5 x Installation Tools (1
Per 5 Sizes)
5 x Break Pin Tools (1 Per 5
Sizes)
5 x HSS Twist Drills (1 Per 5
Sizes)
5 x Taps (1 Per 5 Sizes)
1 x Hex Allen key
1 x Instructions Card
1 x Metal Storage Case
(37.5cm x 17.8cm x 3.3cm)
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United Kingdom:
24 Hour courier: Next working day (usually delivered by DPD)
48 Hour courier: 1-2 working days (usually delivered by Royal Mail / My Hermes)
Europe:
Royal Mail International: 3-5 working days
*All times are approximate. Please allow slightly longer for weekends and national holidays.
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