Products Center
Product type (A is the taper pin. B boom pin. C is the straight pin) - total long ball outer circle - D (neck outer circle) - S (neck to the side) - WS (neck / tail outer hexagon) - SF (neck square) - intermediate M (thread) behind thread size - NS (tail hex) - last M (tail inside plum) / WS (tail hex) / N (inside 12).Search demonstration(internal coding): B-5721-D18-M10-1.25-NS5