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Custom Seawater Pump Diaphragm Coupling Locating Screw M8 Scm435 10.9 Grade Black Oxide Bolt
US$0.59
10,000-999,999 Pieces
US$0.49
1,000,000-9,999,999 Pieces
US$0.09
10,000,000+ Pieces
Product profile
Customization
AvailableMaterial
Scm435 Alloy Steel,40cr,45# Steel,10.9 Grade SteelType
M8 Diaphragm Coupling Locating BoltModel NO.
seawater pump screw, diaphragm coupling boltGroove
External HexConnection
Common BoltHead Style
Hex Head,Custom ShapeStandard
DIN, GBGrade
10.9Finish
Black Oxide,Q&T,Zinc Plating,Anti-Corrosion CoatinCustom
OEM ODM Drawing & Sample CustomApplication
Seawater Pump,Diaphragm Coupling,Shaft CouplingTolerance
±0.02mmFeature
Precision Locating Non-StandardTransport Package
Carton Packing / Plastic Bag InsideSpecification
M8, M6-M24 Metric, Imperial & Non-standardTrademark
Customized (OEM)Origin
Ningbo, ChinaHS Code
01Key features
Seawater pump diaphragm coupling locating screw
M8 standard size, M6-M24 available
SCM435 alloy steel 10.9 grade high strength material
Black oxide finish with good wear and corrosion resistance
Quenching & tempering heat treatment available
External hex drive for heavy duty installation
Precision +/-0.02mm tolerance for locating diameter
Customizable by drawings or samples
Small batch custom acceptable, tooling charge refundable after bulk order
One-stop service from drawing review, prototype to mass production
Company profile
CertifiedBusiness Type: Manufacturer/Factory CertifiedCustomization Options: Customization from SamplesExport Year: 2020-08-05 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.93h CertifiedTerms of Payment: T/T, PayPal, Western Union, etc.
About Our Factory & Business Background
AddressRoom 1001-13, No. 1299 East Section of Yinxian Avenue, Shounan Street, Yinzhou, Ningbo, Zhejiang, China
Plant Area700 square meters
Number of Employees8
Registered Capital1,000,000 RMB
International Commercial Terms(Incoterms)EXW, FOB, CIF, CFR
Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: 1-3 months
Minimum Order Quantity100 pcs
Supply Chain Partners2
Our Production Capability & Technical Expertise
Main ProductsMachinery Parts, Metal Products
Production Lines1
Production MachinesCNC Machine, Drilling Machine, Punching Machine
QA/QC inspectors1 people
Inspection Type for Finished Products100% inspection(Visual inspection)
Inspection Method for Finished ProductsHave instruction but no written records
R&D Engineers1 people
Traceability of Raw MaterialsNo
Our Industry Experience & Global Business Record
Year of Establishment2020-04-16
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Product Q&A
Q:Q1: Can you custom diaphragm coupling locating screws from our drawings or samples?
A:
A1: Yes. We specialize in high strength coupling fasteners, including M8 SCM435 10.9 grade black oxide bolts for seawater pump diaphragm coupling. We can produce per drawings or reverse engineer from samples. Head size, shank diameter and thread length are adjustable.
Q:Q2: What materials are available for coupling bolts?
A:
A2: SCM435 alloy steel, 40Cr, 45# steel and 10.9 grade steel. SCM435 10.9 grade is recommended for high strength and heavy duty connection.
Q:Q3: What thread sizes can you make?
A:
A3: Standard M8, with M6 to M24 available. Imperial threads and non-standard threads are also available.
Q:Q4: What surface finishes are available?
A:
A4: Black oxide, quenching & tempering, zinc plating and anti-corrosion coating.
Q:Q5: What heat treatment can you provide?
A:
A5: Quenching & tempering, hardness control and high strength heat treatment according to requirements.
Send Inquiry
*To:NINGBO DONGJU MACHINERY CO., LTD
NINGBO DONGJU MACHINERY CO., LTD*Content:
Supplier replies will be sent to your registered email
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