Item Type: Pull Stud Material: Stainless steel Model: BT40(large hole) Clamping Diameter(d2): Approx. 10mm / 0.4in Maximum Diameter(D): Approx. 23mm / 0.9in Total Length(L): Approx. 60mm / 2.4in Outer Diameter of Small Mouth(d1): Approx. 15mm / 0.6in Thread: M16 Package List 1 x Pull Stud 1Adopt goodquality steel with special technology, quenching and hardening, more wearresistant 2Fine manufacturing with accurate thread, possess high accuracy, can be used for highend machine tools 3The product is wearresistant and durable, come with stable performance and long service life 4CNC pull studs are made of goodquality stainless steel materials, and every process is strictly tested 5The product possess corrosion resistance, heat resistance, good comprehensive mechanical properties, and high strength