| Size | M2-M52or non-standard as request&design |
| Length | 10mm-1000mm or non-standard as request&design |
| Finish | Plain, black oxide, Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,etc. |
| Material | carbon steel:Q235,Q195,Q345,08#,35K,45#,ETC. alloy steel:40Cr, 20MnTiB, 35CrMoA, 35VB,42CrMo,35CrMo,ETC. Stainless steel:SS201,SS304,SS316,SS316L,ETC. Plastic,ETC. |
| Grade | 4.8, 5.6,6.8, 8.8, 10.9, 12.9. |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC. |
| Non-standards | OEM is available, according to drawing or samples. |
| Samples | Samples are free. |
| Package | Wooden boxes, pallet, cartons, plastic bags, nylon bags. |