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Shenzhen Juhao Hardware Technology Co., Ltd.

City:dongguan

Province/State:guangdong

Country/Region:china

Contact Person:MrVefan Lin

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

Name: ZincAluminum Coated Machine Thumb Screw with Slotted Flat Knurled Head M3 M4 M5 M6 M8
Brand: JUHAO
Price: 0.10 USD

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Finish :Black, ZINC, Black Oxide, ZINC PLATED, Zinc-aluminum Coated

Material :Brass, Stainless steel, Steel, Aluminium, Bronze

Measurement system :Metric

Head Style :Flat

Place of Origin :Guangdong, China

Brand Name :JUHAO

Model Number :Thumb Screw

Standard :DIN,ISO,GB,ANSI

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

Packaging Details :25kg Per Carton and 36 Cartons Per Pallet

Port :SHENZHEN GUANGZHOU PORT

Supply Ability :1000000 Piece/Pieces per Month

MOQ :1000 pieces

Price :$0.10/pieces 1000-19999 pieces

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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

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

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?
Question 1		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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