M4x20mm 304 Stainless Steel Welding Stud Machinery Screws 100Pcs

Key Features

• Product Name Welding Stud Screws; Material 304 Stainless Steel
• Weight 164g; Package Content 100(+/-2%)Pcs x Welding Stud Screws
• Overall Size 5x21mm/0.2"x0.83"(Max.D*L); Main Color Silver Tone
• Thread Size 4x20mm/0.16"x0.8"(D*L); Soldered Dot Size 0.65x0.55mm/(D*H)
• Head Size 5x1mm/0.2"x0.04"(D*T); Pitch 0.7mm

Product Description

Features

304 stainless steel material,silver tone,welding studs machinery screws with soldered dot.M4x20mm Threaded.Welding stud screws, also known as welding bolt or spot welding screw.Welding stud screws is refers to between the end surface of the metal or similar metal parts and other metal workpiece surface.To be bonded surface melting quickly put pressure to complete one of the welding method. This welding new technology for rapid, reliable, simple, low cost.It has been widely applied to bridges, highways, housing construction, shipbuilding, automobile, power plant, electric control cabinet industry.