Square head machine bolt which is also called galvanized machine bolt is one kind of square head bolt, used on pole lines,
overhead lines, or transmission lines. It is designed to fasten the steel cross arm or U channel onto the pole.
The usual diameter of the square head machine bolt is 3/8", 1/2", 5/8", 3/4". The length of the square head machine bolt is
according to the application. The widely used length is 2", 3", 10", 12", 14".
square head machine bolt is assembled with one square nut.
1. Certification: ISO, ROHS, SGS
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.