Professional tool for commercial or occasional use
Manufactured from precision profiled stainless steel wire for strength and durability
When installed they provide strong permanent internal thread which resist heat and corrosion
Used to strengthen threads, giving applications a longer life span
Improves holding or pull out resistance
Once fitted their position is maintained by the action of the radial pressure between the coils and the flanks of the tapped hole
Replacement thread insert coil packs
Helicoil kit replacement threads
Size of the Helicoil 1/4″ BSF
Length 1.5D (this is the finished distance when in the hole – so 1.5 x the actual insert size)
This listing is for a pack of 10 inserts
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