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Finish : Black, ZINC, Black Oxide, ZINC PLATED
Material : Stainless steel, Steel
Measurement system : Metric
Head Style : Socket
Place of Origin : Guangdong, China
Brand Name : JUHAO
Model Number : Socket Head Self Tapping Screw
Standard : GB,DIN,ISO
Surface treatment : Plain.Black.Blue,yellow Zinc Plate.
Certificate : IATF16949:2016/ISO9001:2015
Delivery time : 7-25 Days
Advantage : One-stop Customized Service
Quality control : 100% Inspection Berore Shipment
Materia : Carbon Steel Alloy Steel Stainless
Packaging Details : Inner PE Bag+Carton+Pallet
Supply Ability : 500000 Piece/Pieces per Month
MOQ : 2000 pieces
Price : $0.12/pieces 2000-19999 pieces
Certificate | IATF16949:2016/ISO9001:2015 |
Color | Customized Colors |
Delivery time | 7-25 Days |
Package | PE Bag+Carton+Pallet |
QUALITY control | 100% Inspection Berore Shipment |
Advantage | OEM ODM Customized Service Provided |
Material | Carbon steel/Stainless steel |
Screws type | Truss / Socket head Self tapping Screws |
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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Black Round Head Self-Tapping Screw with Hex Socket Drive Metric Stainless Steel Images |