DIN/ANSI/BS/JIS Carbon-Steel/Stainless-Steel Cross Combination of Screws Combination Fan Screws
  Screws are generally called wood screws; is the tip of the kind of tip, pitch larger, generally used to tighten wood parts, plastic parts. Mechanical screws, is the front of the kind of screws, the pitch is small, uniform, generally used to fasten the metal, machine parts.Our products has high quality,and long life time.Our  company has passed ISO9001, ISO9001 (CQC) certification, product quality assurance.
Screw application range
1> stainless steel plate, metal plate, galvanized steel plate, engineering installation.
2> metal curtain wall metal light compartment and other indoor and outdoor installation.Â
3> General angle steel, channel steel, iron plate and other metal materials combined installation.Â
4> car trunk, container box, shipbuilding, refrigeration equipment and other assembly works.
5> automobile engine, heavy machinery, garden machinery, petrochemical.
6> aerospace, energy, machinery, chemical, military, metallurgy, mold, hydraulic.
7> motorcycles, sports equipment, cars and many other industries.
8> electronics, electrical appliances, motors, lighting, communications, home appliances, furniture.
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Brand name | CHANGCHUN | Model | CC-422 | Type | Combination Screw |
Head  Type | Pan head | Groove type | Cross | Screw diameter | 8mm |
Screw Length | 105mm | Application | Hand twist | Screw size | M6 |
Thread tolerance | 6G | Nominal length | 110mm | Surface | Without |
Material grade | Stainless A2-70 | Product grade | A | Standard type | National standard |
Standard number | GB-CC-422 | Customized | yes | Specification | CC-422 |
Material grade | heat treatment | Â | Â | Â | Â |
Shipping and packaging
Via  Ocean shipping
North America, South America about 40 working days
Eastern Europe about 30-40 working days
Southeast Asia about 20-30 working days
Africa about 35-45 working days   Â
India, Pakistan about 40 working days
Korea, Japan about 40 working days
Air transport
Other places around 1-3 business days
Packaging: boxes, cartons or plastic bags, or according to customer needs.
Sample serviceÂ
If  you need  sample,you need pay  the  freight.
Customer Service
· 1. No question refund within 3 days.Â
· 2. Well trained and experienced staffs at your service.Â
· 3. Short lead time.Â
· 4. International standard matched
·5. Non-standard / standard / OEM / ODM / customized service provided.Â
· 6. Small Quantity available.Â
· 7. Designed in accordance with customers' request.Â
· 8. Packed and delivered by customers' requirement.
Any more questions or demands, please feel free to contact us!
TEL:+86-0562-668-1767
Our factory






GB/T 65-2000Â Â Â Â Â Â Â Â Â Â
GB/T 67-2000
GB/T 68-2000
GB/T 69-2000
GB/T 70.1-200
 GB/T 70.2-2000
 GB/T 70.3-2000
 GB  71-85
 GB-72-88
 GB-73-85
 GB-74-85
 GB-75-85
 GB/T 77-2000
 GB/T 78-2000
 GB/T 79-2000
 GB/T 80-2000
 GB 83-88
 GB 84-88
 GB 85-88
 GB 86-88
 GB/T 818-2000
 GB 838-88
 GB 839-88
 GB 840-88
 GB 946-88
 GB 947-88
 GB 948-88
 GB 949-88 Â
 GB 2672-86
 GB 2673-86             Â
 GB 2674-86
 GB 5281-86   Â
GB/T 820-2000
GB/T 821-88
 GB/T 822-2000
 GB 823-88
 GB 825-88
 GB 828-88
 GB 829-88
 GB 830-88
 GB 831-88
 GB 832-88
 GB 833-88
 GB 834-88
 GB 835-88
 GB 836-88
GB 13-88
GB 14-1998
GB 15-88
GB 29.2-88
GB 35-88
GB 37-88
GB /T794-93
GB 798-88
GB 799-88
GB 800-88
DIN 125-A Â GB 971-85
DIN 125-B Â GB97.2-85
DIN127-A Â Â GB7244
DIN 127-B Â GB93-87
DIN 912 Â Â GB70-85
DIN933 Â Â GB-5783-86
DIN931 Â Â GB5782-86
DIN934 Â Â GB6170-86
                             Cross square pad combination screws
  Screws are generally called wood screws; is the tip of the kind of tip, pitch larger, generally used to tighten wood parts, plastic parts. Mechanical screws, is the front of the kind of screws, the pitch is small, uniform, generally used to fasten the metal, machine parts.Our products has high quality,and long life time.Our  company has passed ISO9001, ISO9001 (CQC) certification, product quality assurance.
Screw application range
1> stainless steel plate, metal plate, galvanized steel plate, engineering installation.
2> metal curtain wall metal light compartment and other indoor and outdoor installation.Â
3> General angle steel, channel steel, iron plate and other metal materials combined installation.Â
4> car trunk, container box, shipbuilding, refrigeration equipment and other assembly works.
5> automobile engine, heavy machinery, garden machinery, petrochemical.
6> aerospace, energy, machinery, chemical, military, metallurgy, mold, hydraulic.
7> motorcycles, sports equipment, cars and many other industries.
8> electronics, electrical appliances, motors, lighting, communications, home appliances, furniture.
Â
Brand name | CHANGCHUN | Model | CC-422 | Type | Combination Screw |
Head  Type | Pan head | Groove type | Cross | Screw diameter | 8mm |
Screw Length | 105mm | Application | Hand twist | Screw size | M6 |
Thread tolerance | 6G | Nominal length | 110mm | Surface | Without |
Material grade | Stainless A2-70 | Product grade | A | Standard type | National standard |
Standard number | GB-CC-422 | Customized | yes | Specification | CC-422 |
Material grade | heat treatment | Â | Â | Â | Â |
Shipping and packaging
Via  Ocean shipping
North America, South America about 40 working days
Eastern Europe about 30-40 working days
Southeast Asia about 20-30 working days
Africa about 35-45 working days   Â
India, Pakistan about 40 working days
Korea, Japan about 40 working days
Air transport
Other places around 1-3 business days
Packaging: boxes, cartons or plastic bags, or according to customer needs.
Sample serviceÂ
If  you need  sample,you need pay  the  freight.
Customer Service
· 1. No question refund within 3 days.Â
· 2. Well trained and experienced staffs at your service.Â
· 3. Short lead time.Â
· 4. International standard matched
·5. Non-standard / standard / OEM / ODM / customized service provided.Â
· 6. Small Quantity available.Â
· 7. Designed in accordance with customers' request.Â
· 8. Packed and delivered by customers' requirement.
Any more questions or demands, please feel free to contact us!
TEL:+86-0562-668-1767
Our factory






GB/T 65-2000Â Â Â Â Â Â Â Â Â Â
GB/T 67-2000
GB/T 68-2000
GB/T 69-2000
GB/T 70.1-200
 GB/T 70.2-2000
 GB/T 70.3-2000
 GB  71-85
 GB-72-88
 GB-73-85
 GB-74-85
 GB-75-85
 GB/T 77-2000
 GB/T 78-2000
 GB/T 79-2000
 GB/T 80-2000
 GB 83-88
 GB 84-88
 GB 85-88
 GB 86-88
 GB/T 818-2000
 GB 838-88
 GB 839-88
 GB 840-88
 GB 946-88
 GB 947-88
 GB 948-88
 GB 949-88 Â
 GB 2672-86
 GB 2673-86             Â
 GB 2674-86
 GB 5281-86   Â
GB/T 820-2000
GB/T 821-88
 GB/T 822-2000
 GB 823-88
 GB 825-88
 GB 828-88
 GB 829-88
 GB 830-88
 GB 831-88
 GB 832-88
 GB 833-88
 GB 834-88
 GB 835-88
 GB 836-88
GB 13-88
GB 14-1998
GB 15-88
GB 29.2-88
GB 35-88
GB 37-88
GB /T794-93
GB 798-88
GB 799-88
GB 800-88
DIN 125-A Â GB 971-85
DIN 125-B Â GB97.2-85
DIN127-A Â Â GB7244
DIN 127-B Â GB93-87
DIN 912 Â Â GB70-85
DIN933 Â Â GB-5783-86
DIN931 Â Â GB5782-86
DIN934 Â Â GB6170-86
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PVC High speed Auto-Recovery Door
Product Description
Recovery High Speed Door/ Self Recoverable Roller Shutter/Aoto Repair Roller Shutter Door
The advantage of Self Reparing High Speed Doors are self-reparing,easy to clean,complete safe,energy
saving and so on. If the door curtain comes out of its guides(for example in the event of impact with a forklift),
the system will reset the cutrain back intp the guide during the next opening cycle autimatically
Product Description
PVC Curtain |
Grey,Yellow grid,Purple,Green,Light green,Black,Perforated Yellow grid,White,Blue,White grid,Sky Blue,Yellow,Orange,Red
Color curtain:0.8mmthickness. Function:insect prevention |
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Door Size |
Max Door Size: 8M Wide x 6M Height |
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Bottom Bar |
Aluminum alloy 95mm width Function:reinforce the crutain to keep the door opening without a hitch |
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Radar Sensor |
The place on the cover box. Can detect 3 meters area! Function: detect the moving thing and open the door. For the place which has more people through. |
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Photocell Sensor | Function:It's stop the door when the door is closing and someone through the door. | ||||
Drive System |
High speed door motor: Germany brand(SEW)and Our own brand Hofic.
Germany SEW motor(380V/220V 50Hz 0.75KW,1.5KW,2.2kw.) |
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Control System |
Control box:Include control system+PLC+transducer+encoder+airbag system. Brand:Japan Mitsubishi and Our own Hofic Function: all the control system are inside in it. |
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Cover Box |
Material: Stainless steel201#or304# |
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Running Speed |
Opening Speed:0.8m/s - 1.2m/s(Adjustable) Closing Speed:0.6m/s - 1.0m/s(Adjustable) |
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Opening Way |
Radar sensor+push button for People through Magnetic loop+push button for forklift through |
Main Accessories
Self-Repairing Door Curtain:
Made of reinforced PVC, with flexible weighted soft bottom edge.
The edge of curtain has continuous injection molded teeth that then move up and down in a self-lubricating
polyethylene track attached to structural galvanized side frames.
Auto Recovery Rapid Door,pvc machine protection high speed door,machine protection door,Recovery High Speed Door,Self Recoverable Roller Shutter,Aoto Repair Roller Shutter Door
SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfahsrs.com