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Home > products > Metal Washer > M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127

M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127

Product Details

Place of Origin: China

Brand Name: JIA SHAN

Payment & Shipping Terms

Minimum Order Quantity: 10pcs

Price: 0.15USD-0.5USD

Packaging Details: Plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film.

Delivery Time: 15days

Supply Ability: 50000 pcs a week

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carbon steel spring lock washer

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black oxide DIN127 washer

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M4 M5 M6 M7 lock washer

Name:
Metal Washer
Standard:
DIN,ASME,ASNI,ISO
Material:
Steel,Stainless Steel,Brass,Copper,Titanium Alloy,,Plastic
Place Of Origin:
China
Finish:
Polish,Passication,black ,galvanization
Certificate:
ISO9001:2008,ROHS
Name:
Metal Washer
Standard:
DIN,ASME,ASNI,ISO
Material:
Steel,Stainless Steel,Brass,Copper,Titanium Alloy,,Plastic
Place Of Origin:
China
Finish:
Polish,Passication,black ,galvanization
Certificate:
ISO9001:2008,ROHS
M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127
M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127
Product Specifications
Attribute Value
Name Metal Washer
Standard DIN, ASME, ANSI, ISO
Material Steel, Stainless steel, Brass, Copper, Titanium Alloy, Plastic
Place of Origin China
Finish Polish, Passivation, Black, Galvanization
Certificate ISO9001:2008, ROHS
Product Description

Washers are essential fasteners used between the supporting surface of bolts, screws or nuts and the connected part. They protect the connected part's surface, prevent fastener loosening, and serve various special purposes.

Washer Types
  • Flat washers (Class C, A, chamfered type)
  • High strength washers for steel structure
  • Spherical and conical washers
  • I-steel and channel steel square inclined washers
  • Standard, light, and heavy spring washers
  • Internal/external tooth lock washers
  • Single/double ear stop washers
  • Round nut stop washers
Applications
Industry Usage
Automotive High-strength applications in engines and heavy-duty machinery
Mechanical Connecting mechanical parts, circuit boards, engines, transmissions
Energy Power generation equipment and transmission line connections
Construction Building structures, shipbuilding, and petrochemical equipment
Material Specifications
Material Properties
Aluminum Excellent thermal/electrical conductivity, soft nature requires careful processing
Titanium Requires EDM machining with deionized water medium
Steel High strength, generates heat during processing
Brass High tensile strength, requires slow cutting speed
Key Features

Metal Washers: High strength and corrosion resistance, ideal for high temperature/pressure applications in machinery, automotive, and marine industries.

Non-metal Washers: Excellent sealing and shock absorption properties, used in pipeline systems and electronic equipment.

Composite Washers: Combine metal strength with non-metal sealing properties, suitable for chemical and food processing equipment.

Aluminum Characteristics
  • Lightweight (2.7 g/cm³ density)
  • Excellent corrosion resistance
  • Good electrical/thermal conductivity
  • 100% recyclable
  • High formability and ductility
  • Non-magnetic properties
Product Images
M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127 0 M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127 1 M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127 2 M4 M5 M6 M7 Carbon Steel Grade 4.8 8.8 10.9 12.9 Black Oxide Black Zinc Spring Lock Washer DIN127 3
Frequently Asked Questions
Q: Are you trading company or manufacturer?
A: We are factory and OEM are available.
Q: How long is your delivery time?
A: Generally 7-10 days if in stock, or 15-20 days if not in stock (depending on quantity).
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer free samples but freight costs are not included.
Q: What are your payment terms?
A: 30% T/T in advance, balance before shipment or L/C.