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Black Oxide High Strength Flat Washer for Vibration Damping with Easy Installation Grade 12.9
US$0.08
1,000-9,999 Pieces
US$0.02
10,000-199,999 Pieces
US$0.001
200,000+ Pieces
Product specifications
Size
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableType
Flat GasketMaterial
Carbon SteelModel NO.
DQ-6-820-2Combination Washer Structure
A TypeSpring Washer Type
StandardHardness
100hv / 140hv / 200hv / 300hvFeature
Matte Black Appearance, Moderate Rust ResistanceApplication
Indoor General Machinery AssemblyTransport Package
Bag+Carton+PalletSpecification
M5 M6 M8 M10Trademark
CLOrigin
ChinaProduction Capacity
50000000 Pieces/DayKey features
Black Oxide Finish Plain Washers: Provide moderate rust resistance and uniform matte black appearance while reducing friction during assembly for neat indoor mechanical connections.
Black Oxide Plain Washers: Avoid unsightly rust marks and bright reflective surfaces; the black oxide treatment delivers a uniform matte finish with moderate rust protection for clean.
Black Oxide Plain Washers for Indoor Mechanical Assembly: The uniform matte black finish delivers tidy visual effects and basic rust protection for general equipment connections in factory racks.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤1.66hTerms of Payment: Western Union, PayPal, D/P, etc.International Commercial Terms(Incoterms): FOB, DAP, EXW, CIP, CPT, CFR, CIF, Others, FCA, DAT
About Our Factory & Business Background
AddressLin Ming Guan Zhen Bei Shi Kou Cun Dong, Yongnian District, Handan, Hebei, China
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsScrew, Bolt, Nut, Anchor Bolt, Flat Washer, Expansion Bolt, Threaded Rod, High-Strength Bolt, Self-Drilling Screw, Drywall Screw
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What is the anti-corrosion performance of black oxide finish?
A:
It offers moderate rust resistance. Anti-rust oil is applied after treatment. Not suitable for outdoor or high-humidity corrosive environments.
Q:Which standards do these washers comply with?
A:
Mainly GB/T95, GB/T97.1, ISO7089, DIN125. Grade A / Grade C available.
Q:What hardness grades are available?
A:
Optional: 100HV, 140HV, 200HV, 300HV to match different strength bolts.
Q:Can black oxide washers be used outdoors?
A:
Not recommended. For outdoor use, please choose HDG, Dacromet or zinc-nickel plating washers for better corrosion resistance.
Send Inquiry
*To:
Handan Chang Lan Fastener Manufacturing Co., Ltd.
Handan Chang Lan Fastener Manufacturing Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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