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Helio-coil standard range is available in stainless steel AISI-304/
DTD734, metric series ranges from M1. 6, M2 to M56 & in unified
series from UNC / UNF 1-64 to 1-1/2 inch. Helicoil is also available in
strip feed or reel mounted form, helicoil in strip feed form are best
suited for significantly reducing the installation time using power tool
for installation of inserts.
Helicoil inserts or wire thread
inserts are made of cold rolled 18-8 grade stainless steel to as7245 ,
mil-i-8846 & DTD734 specifications. This wire is cold rolled to a
diamond cross section producing an ultimate tensile strength of
approximately 1375-1725 mpa, mirror like surface finish of 2-4 microns
and flank hardness of RC 43-50 which is far in excess of the usual
tapped materials and best suited for most of the industrial needs.
Helicoil inserts can also be supplied in other materials such as SS-316,
inconel x-750, titanium alloys, nimonic 90, nitronic 60, phosphorus
bronze, beryllium copper and with special coating and plating
requirements such as cadmium plating, silver plating, zinc plating,
nickel plating and dry film lubricants, anti- corrosion/ salt spray
resistant coatings. |
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