Stainless steel Aisi 303.
Are used to quickly repair damaged threads, to replace existing threads with more resistant ones or before installation.
Drills or specific tapping tools are not required. The pins are pressed into the support material, blocking the insert in the right place.
The inserts Keiriv are produced with different materials to satisfy the largest number of requirements.
Versions MS/NAS are produced according to the following norms: MS51830, MS51831, MS1832, NAS1394, NAS1395, NA0146, NA0147, NA0148, NA0149, NA0150, NA0151.
Solid insert that, in a single piece, ensures high resistance to tensile strength.
The pins ensure a mechanical antirotation locking.
Easy installation and rapid removal.
Use of standard drills and points.
Pre drill not required.
Can be used in various types of material.
Complete line of metric and inch measures.
How to install Keiriv.
Make a hole with a standard tip, flare at 82°-100° for inserts and 90° for miniatures.
Make the thread using a standard male.
Screw the insert to more or less 0.25-0.70 mm under the surface level.
Press the pins with some hits using the proper tool.
Insert correctly placed.
How to remove Keiriv.
If necessary, you can remove a Keiriv insert without damaging the support material in which it is installed.
Remove material between the pins and the internal threads using the bit of the proper diameter (measures indicated in the relative table), bend the keys to the inside of the hole and break them, remove the insert by unscrewing it using a screw extractor
or a similar tool, install a new insert into the hole originally tapped and press the pins.