supply of helical insert size m16 x 1.5 pitch x 1.5 inch long for 3 phase locos axle box cover. material- stainless steel; aisi-304, 18.8 grade to as 7245, mi-helical insert size m16 x 1.5 pitch x 1.5helical insert size m16 x 1.5 pitch x 1.5 inch long for 3 phase locos axle box cover. material- stainless steel; aisi-304, 18.8 grade to as 7245, mi-helical insert size m16 x 1.5 pitch x 1.5,helical insert size m16 x 1.5 pitch x 1.5 inch long for 3 phase locos axle box cover. material- s tainless steel; aisi-304, 18.8 grade to as 7245, mi-helical insert size m16 x 1.5 pitch x 1.5 [ warranty per iod: 30 months after the date of delivery ] ] => limited