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Zinc-Aluminum Coated Machine Thumb Screw with Slotted Flat Knurled Head M3 M4 M5 M6 M8

Zinc-Aluminum Coated Machine Thumb Screw with Slotted Flat Knurled Head M3 M4 M5 M6 M8

Brand Name:JUHAO
Model Number:Thumb Screw
Minimum Order Quantity:1000 pieces
Finish:Black, ZINC, Black Oxide, ZINC PLATED, Zinc-aluminum Coated
Material:Brass, Stainless steel, Steel, Aluminium, Bronze
Measurement system:Metric
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Location: Dongguan Guangdong China
Address: Whole Building, Building 2, Tianmeinan Industrial Zone, Huangjiang Town, Dongguan, Guangdong, China
Supplier`s last login times: within 22 hours
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Product Details Company Profile
Product Details
Company Profile
Shenzhen Juhao Hardware Technology Co.Ltd, established in 2018 and located in Shenzhen, China. Juhao Hardware Technology Co.Ltd is a professional manufacturer of standard and non-standard fasteners more than a decade. Our products have covered many fields, such as furniture, communication equipment, outdoor grill, alternative energy equipment, lighting, sanitary wares, garden tools(mowers), cars. We have a professional research and development team to meet the diversified and personalized requirements of our customers. Our goal is to provide customers with thoughtful service, strict quality control, competitive price and aim to commit one-stop service.
Product Description
Specification
item
value
Finish
Black, ZINC, Black Oxide, ZINC PLATED, Zinc-aluminum Coated
Material
Stainless steel, Steel, Aluminium, Bronze
Measurement system
Metric
Head Style
Flat
Place of Origin
China
Guangdong
Brand Name
JUHAO
Model Number
Thumb Screw
Standard
DIN
Certificate
SGS ROHS ISOISO9001:2015
Delivery time
3-20days
Package
Buyer's Requirement
Advantage
OEM One-stop Customized Service
Quality
Salt Spray Test
Quality control
Inspection+QC Report
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Our company mainly produces and sells fasteners of GB,DIN,ISO ,JIS and ANSI etc. series,and provides all kinds of stainless steel materials wih lower price.We have more than 15 years experience in fastener manufacture.
Selection Of Measurement Tools For Screws, Bolts, Nuts And Washers
It is recommended to use vernier calipers for measurement, which can be accurate to 0.01mm. Measurement with tape measure and straightedge, the error range is 1-2mm, the measurement result is easy to be wrong
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
China Zinc-Aluminum Coated Machine Thumb Screw with Slotted Flat Knurled Head M3 M4 M5 M6 M8 supplier

Zinc-Aluminum Coated Machine Thumb Screw with Slotted Flat Knurled Head M3 M4 M5 M6 M8

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