Square Head Bolt, Square Bolt

Square Head Bolts

Standard:din633, asme, gb12, gb14 Size:m5-m36, no.4-1-1/2 Material:carbon steel, stainless steel 304/316/201 Surface treatment:zinc plated blue/white, zinc plated yellow, hot dipped galvanized, plain.

Class 4.8 and 6.8 and 8.8 and 10.9 1. Standard: DIN603 2. Class: 4.8 6.8 8.8 10.9 3. Type: Mushroom Head Square Neck 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt Our commitments 1. High quality 2. Competitive price 3. The shortest delivery 4. The fastest response 5. Custom-design and Logo are welcomed

Square head bolt Standard: Asme b 18.2.1;gb/t8 Size: 1/4â?�-1 1/2â?�; m6-m38 Material: Carbon steel, alloy steel, stainless steel, brass Grade: Sae j429 gr.2, 5, 8; a307 gr.A; class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 Thread: M, unc, unf Finish: Plain, zinc plated(clear/blue/yellow/black), black oxide, nickel, chrome, h.D.G Packing: Bulk in cartons (25kg max.)+wood pallet or according to customer special demand Application: Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 Equipment: Caliper, go&no-go gauge, tensile test machine, hardness tester, salt spraying tester, h.D.G thickness tester Supply ability: 1000 tons per month Minimum order: 500kgs for each specification Trade term: Fob/cif/cfr/cnf/exw/ddu/ddp Payment : T/t, l/c, etc Market: South&north america/europe/east&south east asia/ australia and etc. Our advantage: One-stop shopping;high quality;competitive price;timely delivery;technical support;supply material and test reports; samples for free Notice: Please lets know the size, quantity, material or grade, surface, if it is special and non-standard products, please supply the drawing or photos or samples to us -