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| Categories | Metal Combine Screw |
|---|---|
| Place of Origin: | Guangdong, China |
| Brand Name: | JUHAO |
| Model Number: | combination bolt screw |
| Packaging Details: | 25kg Per Carton and 36 Cartons Per Pallet |
| Supply Ability: | 1000000 Piece/Pieces per Month |
| MOQ: | 1000 pieces |
| Price: | $0.20/pieces 1000-9999 pieces |
| Finish: | Black, ZINC, Plain, Black Oxide, ZINC PLATED, Zinc-aluminum Coated, Yellow |
| Material: | Brass, Stainless steel, Steel, Nylon, Stainless steel,Carbon steel,Nickel,ronze,C1022a,Plastic,brass |
| Measurement system: | Metric |
| Head Style: | Pan, Round, HEX, Torx |
| Standard: | ANSI,GB,DIN,ISO |
| Surface treatment: | Black oxide,Zinc-aluminum coated,Zinc plated,Chrome,Hot dip galvanized |
| Grade: | 4.8/ 8.8/ 10.9/ 12.9 /grade5/grade8 Ect |
| Size: | M3-M12 |
| Certificate: | SGS ROHS ISOISO9001:2015 |
| Package: | Customer'require |
| Quality Control: | 100% Inspection Berore Shipment |
| Advantage: | OEM/ODM One-stop Customized Service |
| Company Info. |
| Shenzhen Juhao Hardware Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |













Finish | Blue zinc,white zinc,Black oxide,Chrome plated,Zinc-aluminum
coated,Zinc-flake coated,Blue anodized,Blue dyed,Cadmium plated,Chrome,Hot dip galvanized |
Material | Stainless steel,Carbon steel,Nickel,Copper,C1022a,Plastic,brass |
Model Number | Customized bolts |
Standard | ISO,DIN,GB,ANSI |
Surface treatment | White Zinc .Yellow Zinc. Black Zinc.Blue zinc.HDG |
Grade | 4.8/ 8.8/ 10.9/ 12.9 Ect grade 5 / 8 |
Size | M3-M56 |
Certificate | SGS ROHS ISOISO9001:2015 |
Package | Customer'require |









Question 1 | 1.Why is stainless steel magnetic? |
304 stainless steel belongs to austenitic stainless steel,
austenite in the cold working process in part or a small amount of transformation into martensite, martensite is magnetic, so 304 stainless steel is non-magnetic or slightly magnetic. | |
Question 2 | 2. How to identify authentic 304 stainless steel products? |
①Support 304 stainless steel special test potion detection, if not
discoloured for the authentic 304 stainless steel | |
② support chemical composition analysis, spectral analysis | |
③ support salt spray test, simulate the actual use of the
environment | |
Question 3 | 3. What are the most commonly used stainless steel? |
① 201 stainless steel, suitable for use in dry environments, easy
to rust in water | |
② 304 stainless steel, outdoor or wet environment, corrosion
resistance and acid resistance | |
③ 316 stainless steel, plus molybdenum, more corrosion resistance
and pore erosion resistance, especially for seawater and chemical media |


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