Model NO.: M4-M30
Grade: 8.8
Certificate: ISO Ce
Supplier: Factory Directly Supply
After Sales Service: Any Problems Can Help You to Fix It
Production Experience: More Than 15 Years
Trademark: HighFly Fastener
Transport Package: Paper Skin
Specification: M4-M64
Origin: China
HS Code: 7318159090
Model NO.: M4-M30
Grade: 8.8
Certificate: ISO Ce
Supplier: Factory Directly Supply
After Sales Service: Any Problems Can Help You to Fix It
Production Experience: More Than 15 Years
Trademark: HighFly Fastener
Transport Package: Paper Skin
Specification: M4-M64
Origin: China
HS Code: 7318159090
Qingdao Hengfei Fastener Co.,Ltd
Product Description:
1. Grade: SUS201,SUS304,SUS316,A2-70,A2-80,A4-80,4.8 6.8 8.8 10.9 12.9
2. Size: M2-M16,the length with 350mm,we also can produce according to customer's design
3. Standard: ISO,GB,DIN,JIS,ANSI,BSW,IFI Non-standard
4. Certification: ISO9001, CTI, ROHS
Product Name |
Zinc plated flat head machine screw |
Available Material |
Carbon steel,Iron,Stainless steel ,Brass copper,Aluminum,Zinc Alloy,Bronze |
Surface finishing |
Zn-plated,Ni-plated,Passivated,H.D.G.(hot dip galvanizing),Chromate,Chorm plated, Blackoxide, Polish,Plain,Coppercoated,bronze plating,Dacromet,anodic oxidation etc. |
Standard |
ISO,GB,DIN,JIS,ANSI,BSW,IFI Non-standard |
Grade |
SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 |
|
Pan head, round head,recessed head,ball head,button head,flat head,fillister head,oval head,truss head,countersunkhead,indented hexagon head,hex flange head,square head,T-head and so on |
Drive Type |
Slot, Phillips, Phillips tamper-resistant, Square, Square recess Slot, Quadrex, Pozi, TORX, Hex socket,Tri-wing, Spanner, One way removal tool, and so on. |
Thread measure |
metric or inch size |
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Related products:

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Product Range
- Screws : M3-M8, All types: No. 2-No.14
- Machine screws : M3-M20
- Grade : 4.8/8.8/10.9/12.9
- Material : Carbon Steel, Alloy Steel, Stainless Steel, Brass
- Surface treatment: ZP, Phosphating, H.D.G, Mechanical Galvanized, Power Coating, Dacromet
- Salt Spray Time: 24 hours, 48 hours, 96 hours, 1000 hours…Provide salt spray report
- All types of special screws with spring washers and plain washer
Material of steel |
C1006,C1022,C10B21,C435 etc |
Material of stainless steel |
ss304,ss316,ss410 etc |
Head type |
pan, flat, truss, round, oval, bugle, hex, cap etc |
Recess |
slotted, philips, pozi, socket, hex, torx etc |
Finished |
Zinc plated, black phosphated, nickel plated, electrophoresis, dacromet etc |
Application |
for building, for automobile, for furniture, for electronic etc |
Production lead time |
normally about 10 days. |
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Workshop:


Qingdao Hengfei  Fastener Co.,Ltd
(Factory: Ruian Hangxin Fasteners Co.,Ltd)
 Founded in 2001,  located in Ruian City, Zhejiang Province. we specializing in the production of nuts, bolts, screws, washers. Our factory occupies more than 50 acres and employs more than 200 people. Â
 In China, we have long-term and stable cooperation with Haier Group, Beijing Automotive Group and SGMW WuLing Group.  Till now,we have exported to Europe,  United States, Russia,  Southeast Asia, the Middle East, Africa and so on.
 We imported foreign advanced technology and equipment, now We have 18 multi-station cold heading machines, 38 automatic double-head tapping machines and 5 automatic punching machines. 6 automatic CNC lathes, 2 sets of multi-station cleaning anti-rust oil, 2 sets of infrared camera finished products, 4 sets of bolt reeling machines, etc.
We have export office in Qingdao,named qingdao hengfei  trade co.,ltd. welcome to visit our factory.we will provide good quality productsAnd good service to you!Â
Q: Are you trading company or manufacturer ?
A: We are factory. And we are the independent foreign trade department in Qingdao City.
Â
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.Â
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.Â
Qingdao Hengfei Fastener Co.,Ltd
Product Description:
1. Grade: SUS201,SUS304,SUS316,A2-70,A2-80,A4-80,4.8 6.8 8.8 10.9 12.9
2. Size: M2-M16,the length with 350mm,we also can produce according to customer's design
3. Standard: ISO,GB,DIN,JIS,ANSI,BSW,IFI Non-standard
4. Certification: ISO9001, CTI, ROHS
Product Name |
Zinc plated flat head machine screw |
Available Material |
Carbon steel,Iron,Stainless steel ,Brass copper,Aluminum,Zinc Alloy,Bronze |
Surface finishing |
Zn-plated,Ni-plated,Passivated,H.D.G.(hot dip galvanizing),Chromate,Chorm plated, Blackoxide, Polish,Plain,Coppercoated,bronze plating,Dacromet,anodic oxidation etc. |
Standard |
ISO,GB,DIN,JIS,ANSI,BSW,IFI Non-standard |
Grade |
SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 |
|
Pan head, round head,recessed head,ball head,button head,flat head,fillister head,oval head,truss head,countersunkhead,indented hexagon head,hex flange head,square head,T-head and so on |
Drive Type |
Slot, Phillips, Phillips tamper-resistant, Square, Square recess Slot, Quadrex, Pozi, TORX, Hex socket,Tri-wing, Spanner, One way removal tool, and so on. |
Thread measure |
metric or inch size |
Â
Related products:

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Product Range
- Screws : M3-M8, All types: No. 2-No.14
- Machine screws : M3-M20
- Grade : 4.8/8.8/10.9/12.9
- Material : Carbon Steel, Alloy Steel, Stainless Steel, Brass
- Surface treatment: ZP, Phosphating, H.D.G, Mechanical Galvanized, Power Coating, Dacromet
- Salt Spray Time: 24 hours, 48 hours, 96 hours, 1000 hours…Provide salt spray report
- All types of special screws with spring washers and plain washer
Material of steel |
C1006,C1022,C10B21,C435 etc |
Material of stainless steel |
ss304,ss316,ss410 etc |
Head type |
pan, flat, truss, round, oval, bugle, hex, cap etc |
Recess |
slotted, philips, pozi, socket, hex, torx etc |
Finished |
Zinc plated, black phosphated, nickel plated, electrophoresis, dacromet etc |
Application |
for building, for automobile, for furniture, for electronic etc |
Production lead time |
normally about 10 days. |
Â
Workshop:


Qingdao Hengfei  Fastener Co.,Ltd
(Factory: Ruian Hangxin Fasteners Co.,Ltd)
 Founded in 2001,  located in Ruian City, Zhejiang Province. we specializing in the production of nuts, bolts, screws, washers. Our factory occupies more than 50 acres and employs more than 200 people. Â
 In China, we have long-term and stable cooperation with Haier Group, Beijing Automotive Group and SGMW WuLing Group.  Till now,we have exported to Europe,  United States, Russia,  Southeast Asia, the Middle East, Africa and so on.
 We imported foreign advanced technology and equipment, now We have 18 multi-station cold heading machines, 38 automatic double-head tapping machines and 5 automatic punching machines. 6 automatic CNC lathes, 2 sets of multi-station cleaning anti-rust oil, 2 sets of infrared camera finished products, 4 sets of bolt reeling machines, etc.
We have export office in Qingdao,named qingdao hengfei  trade co.,ltd. welcome to visit our factory.we will provide good quality productsAnd good service to you!Â
Q: Are you trading company or manufacturer ?
A: We are factory. And we are the independent foreign trade department in Qingdao City.
Â
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.Â
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.Â
Steel Recycling Machine
For steel scraps, whether it's turnings, chips, filings, shavings, cuttings, sawdust, drillings, borings, debris, granules or sludge, Ecohydraulic steel recycling machine can help. If your scraps are small chips, you can choose our Steel Briquette Machine to press your chips to be small blocks. If your scraps are shavings or turnings, you can choose our Steel Baler to press your chips to be square bales, if your scraps are big like pipe tube sheet plate rebar, etc., you can choose our steel shear to cut your scraps to be smaller pieces.
Steel Shavings Recycling Machine, Steel Turnings Recycling Machine, Steel Scraps Recycling Machine, Steel Chips Recycling Machine, Waste Steel Recycling Machine
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