Bonnell spring From Shandong Manufacturer with 72A High Carbon Steel
Our commom model and Specifications are as follows:
Item | Specification |
Material | 72A high carbon steel |
Wire diameter | 2.0-2.3mm |
Helical diameter | 1.4mm |
Border diameter | 4.0-5.0mm |
Spring counts | 4--6 turns |
Height of 4 turns | 9-12cm |
Height of 5 turns | 12-15cm |
Height of 6 turns | 15-18cm |
Weight | 33-42g/per coil |
Size | Twin, Full, Queen, King or other size |
Model | 288, 312, 336 |
Built-in support system | Bonnell spring unit for mattress |
certificate | OED and ODM |
The Size
| Twin 36.4”x73” | Full 51.5”x73” | Queen 58.5”x78” | King 74.5”x78” |
288 | 8x21 | 12x24 | 13x26 | 16x26 |
312 | 9x21 | 13x24 | 15x26 | 18x26 |
336 | 10x24 | 14x24 | 16x26 | 20x26 |
We can also do other size according to your requirements:
Size | Quantity/40HQ Container |
Twin | 2160PCS/40HQ |
Full | 1440PCS/40HQ |
Queen | 1188PCS/40HQ |
King | 864PCS/40HQ |
1.Before the order to be confirmed, we will check the material that meet the client's demands.
2.We will trace the different phase of production from the beginning.
3.Before packing ,we will check&clean each mattress .
4.Every client can send one QC or point the third party to check the quaity before delivery