High strength ASTM Double End Stud Bolt, High Strength Stud Bolt Double end stud bolt black Grade: SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc. Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass and etc. Standard: ASME B 18.2.1, IFI149,DIN931, DIN933, DIN558, DIN960, DIN961, DIN558, ISO4014, DIN912 and […]
Galvanized female lifting eye bolt, Stainless Steel 304 Hook Eye Bolts
Material: 4.8 6.8 8.8 10.9 12.9 Carbon Steel, SS304(L) SS316(L) A2-70 A4-70
Coating: White/Yellow/Nickel Plated, Black, Plain, Sliver
Standard: DIN, ASME, ANSI, ISO, UNI, JIS
Thread: UNC, UNF, UN, Metric Coarse, Fine
Packing: carton, palletized or customize
Service: According to drawing or standard
DOWEDO’s main products: hex head bolt DIN933, Steel structure with high strength large hexagon head bolts GB1228, nuts,T type head bolt, Pan head bolts, square head bolts, countersunk head bolts, set all kinds of non-standard bolts.
First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, which make product (Galvanized female lifting eye bolt) beautiful appearance and its size accurately.
The second, we adopt blasting procession, removing Oxidation surface, make the surface to be bright and clean and uniform and beautiful.
The third, in heat treatment: We use the Controlled-atmosphere Automatic heat treatment Furnace, we also have four mesh belt convey furnaces, Can deal with the products in different sizes keeping the non-oxidation surface.
The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing. We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.