Thread Inserts Full Threaded Depth Ball， Solid 304 Stainless Steel with Threaded Steel Ball,M20 Ball Head Screw,Diameter: 40mm-60mm,semi-Threaded Steel Ball(19mm*m10[4pcs])

Material: 304 stainless steelWhether standard parts: Standard partsHigh-quality materials, 304 stainless steel material, corrosion-resistant and humid environment and can be used indoors and outdoors

• Material: 304 stainless steel /Surface: Polished
• Fixed internal thread stainless steel , used for teaching experiments, mechanical accessories, hardware accessories, DIY, etc.
• Thread diameter: M10
• Example: 8mm * М3 [8mm is the diameter of the steel ball, M3 is the diameter of the thread]
• Made of solid 304 stainless steel material, its surface touch is smooth, has high hardness, stable wear-resistance, high-temperature resistance, and corrosion resistance, not easy to rust, durable for use for a long time.