Metric Heavy Hex Head Structural Bolt, ASTM A325 A490 Heavy Hex Bolts, Hot dip galvanized 8.8 heavy hex bolt for electric equipment Finish: ZINC, Plain Material: Steel, carbon steel Standard: DIN FINISHED: Black,ZINC HDG,Dacroment. PLAIN SIZE: M45,M4,M12 M72,M56 M3.5 LENGTH: 60MM-300MM GRADE: 4.8,6.8 8.8 10.9 TYPE: hexagon bolt customized Certificate: ISO9001 Metric Heavy Hex Head […]
Stainless Steel Hex Bolts,High Quality Hexagon Bolts,High Stretch Structure Bolt
Elevator bolt details
Surface: Electron Galvanized Umbrella Roofing Nails
Surface treatment: Electric Zinc Plated
Grade: 3.6 to 12.9 etc.
Size: M0.8 to M12
Material: Carbon steel, stainless steel, Brass, Titanium.
Head/Tread styles: According client’s requires
Coating/Surface treatment: Zinc, Tin, Nickel, Chrome, Titanium, Dacromet, Heat dip zinc, Chromate etc.
Packing Varies of packing according clients requirements.
The strong magnetic elevator bolt is composed of a screw coaxially connected with the nut. The top surface of the nut is a curved surface, and the bottom surface is a plane. The feature: between the bottom surface of the nut and the screw and the circumferential surface of the screw, The outer coaxial has a square cylindrical root portion, and a circular groove is formed in the middle of the four sides of the square cylindrical root portion. A magnetic core is mounted in the circular concave groove, and the magnetic core and the groove are matched in size.