Brass Helical Knurled Inserts(by
satinder) Inserts are best suitable for electrical molded box application.
[Location: http://appleinternationalenggworks.com/brass_inserts/brass_fasteners_%20inserts/helical_knurled_inserts/brass_helical_knurled_inserts.htm]Brass Cross Knurled Inserts(by
satinder) They are self aligning and hence aid installation process.
[Location: http://appleinternationalenggworks.com/brass_inserts/brass_fasteners_%20inserts/brass_cross_knurled_inserts/brass_cross_knurled_inserts/brass_cross_knurled_inserts.htm]