TOBO GROUP LTD
| Payment Terms | D/A, T/T, Western Union, MoneyGram |
| Supply Ability | Max 150 tons/month |
| Delivery Time | According to the order |
| Packaging Details | Neutral packaging or customized packaging |
| Material | Brass, Stainless Steel, Steel, Alloy steel/Carbon steel/Stainless st |
| Package | Box Packing+carton+pallets |
| Application | Heavy Industry, Mining, Retail Industry, General Industry, Oil & Gas, |
| Product name | standard spring washer |
| Standard | DIN,ISO,ANSI,GB,ASTM |
| Size | Custom Size,M3-M48,m3 m4 m5 m6 m8 m10 m12,M1.6/2/2.5/3/3.5/4/5/6/8/10/12/14/16/18/20/22/24/2,M2-M100 |
| Brand Name | TOBO |
| Model Number | Spring split Washers |
| Certification | SGS BV ROHS etc |
| Place of Origin | China |
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Product Specification
| Payment Terms | D/A, T/T, Western Union, MoneyGram | Supply Ability | Max 150 tons/month |
| Delivery Time | According to the order | Packaging Details | Neutral packaging or customized packaging |
| Material | Brass, Stainless Steel, Steel, Alloy steel/Carbon steel/Stainless st | Package | Box Packing+carton+pallets |
| Application | Heavy Industry, Mining, Retail Industry, General Industry, Oil & Gas, | Product name | standard spring washer |
| Standard | DIN,ISO,ANSI,GB,ASTM | Size | Custom Size,M3-M48,m3 m4 m5 m6 m8 m10 m12,M1.6/2/2.5/3/3.5/4/5/6/8/10/12/14/16/18/20/22/24/2,M2-M100 |
| Brand Name | TOBO | Model Number | Spring split Washers |
| Certification | SGS BV ROHS etc | Place of Origin | China |
| High Light | DIN7980 Flat Spring Washers ，SGS Flat Spring Washers ，SGS helical lock washer | ||
| Material | Carbon Steel, Stainless Steel |
| Surface | Black, Zinc Yellow, Zinc White, Hot Dip Galvanizing, Dacromet |
| Common Standards | DIN 127B/DIN7980/GB93-76/GB93-87/GB7244-87/ASME B18.21.1999/BS1802/JIS1251 |
| Specification | M3~M48 |
| 8#--2 | |
| Function | Structural Steel; Metal Buliding; Tower&Pole; Wind Energy; Mechanical Machine etc. |
| Diameter | M3 - M48 as customer required. |
| Packing | As Customer required. |
| Packaging Details | Small box, then in Carton, on Pallet; or Bulk Packing in Carton, then on the Pallet. Always in 20 fts container. Also, we can do per customer required. |
| Sample lead time | WITHIN A WEEK. |
| Delivery Time | Within 7 days to 45 days depend on order quantity (after order confirmation & deposit paid). |
| Others | Each standard has fixed dimensions and mechanical performance index like hardness, toughness, elasticity |
| MOQ: 500 Kilos for single specification |
the spring washer will produce a continuous elastic force to the nut after being flattened, so that the screw connection pair will maintain a continuous friction force! That is to say, spring washers prevent the loosening of the fastening bolt effectively caused by the vibration of the running equipment.
Main Process:
1. All blank metal wire is subject to Pickling and Phosphetization to remove some rust on surface
2. After being cleaned, the metal wire will be stretched and deformed to square to get the accurate width and thickness
3. Then the square wire will be coiled to a certain inside diameter and be cut automatically
4. Gray washers will be heat treated
5. Surface Treatment
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
5000000-6000000
Ecer Certification：
Verified Supplier
TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was... TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was...
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