Material Selection:
1. Frame: 2MM thicknesses cold-roll Stainless steel.
2. Motor: Germany SEW brake motor (outer), power 0.75KW, power supply 220V.
3. Control system: Imported Japan Mitsubishi converter and PLC to control of electric box (150%1HZ)
4. Opening & closing speed: 0.6-1.5m/s (adjustable).
5. Safety Device: Korea Photocell Sensor, emergency stopping reaction when sensing obstacles.
6. Curtain: France high-density polyester fiber and the surface coating processing, thickness 0.8MM, variety colors can be chose: Red, yellow, blue, green, orange, gray, white, transparent, etc. Tensile strength: 4000/3500N/5cm, tear strength 600/600N. Fire-proofing level: German standard DIN75200 Usage temperature: -30 ° C +70 ° C.
7. Wind resistant: The Aluminium alloy Reinforce Girder to increase wind resistant effect.
8. Curtain replacement function: Aluminium alloy Reinforce Girder is loaded between 2 pieces Curtain, can be replaced easily if any curtain broken, save your cost.
9. Transparent window: 1.2MM thickness transparent PVC window, size and location is up to your request, more safer.
10. Seal: Seal brush are Installed inside the guides, and the special bottom design, to fit any uneven ground.
11. Cotrolling way: Push button + radar sensor, very convenient.
12. Limiting Switch: Mechanical limiting switch, easily and exactly.
13. Emergency STOP: With emergency stop button on control panel, can stop easily by
Hand once disconnect or accident
14 Fault recovery function: All Hongfa's production is with fault recovery function, system will self-recovery after power cut off.
15. Delivery time: About 7 business days with contract and deposit confirmed.
16. Pyament item: 50% before production, and the other 50% before shipment.
17. Warranty Details: We provide 12 months warranty for all doors and accessories (except man-made disasters, Irresistible natural disasters, ect^).
We have many professional engineers with rich experience, qualified products, perfect service system, and good cooperation relationship with many famous companies.
PVC high speed door, plastic roll up doors, high speed fabric roll up doors, high speed rolling doors, pvc roll up doors SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfahsd.com
1. Surface Treatment for the drywall screw : Black, Grey Phosphated
2. Other Optional: Zinc, Yellow Zinc and Black Zinc
3. Material: C1022 steel hardend
4. Head type: Pilliips bugle head
5. End type: Sharp point, drilling point
6. Thread: Fine thread for metal, coarse thread for wood
7. Diameter: 3.5mm -5.2mm, #6 to #14;
Length from 16mm to 150mm, 1/2" to 5".
8. Package: Small plain box (white or brown)
Bulk Cartons (with big polybag)
9. Mainly used for fixing and connecting iron joists and recycled wooden products
10. Features: Drywall screw, phillips, bugle head, coarse thread or fine thread, black phosphate.
11.Normal Size: (3.5mm or 6# and 4.2mm or 8# is the best seller among all market)Â
3.5x13
3.9x13
4.2x16
4.8x50
 #6x1/2"
#7x1/2"
#8x5/8"
3.5x16
3.9x16
4.2x19
4.8x55
#6x5/8"
#7x5/8"
#8x3/4"
3.5x19
3.9x19
4.2x25
4.8x60
#6x3/4"
#7x3/4"
#8x1"
3.5x25
3.9x25
4.2x32
4.8x63
#6x1"
#7x1"
#8x1Â 1/4"
3.5x32
3.5x32
4.2x38
4.8x65
#6x1Â 1/4"
#7x1Â 1/4"
#8x1Â 1/2"
3.5x35
3.9x38
4.2x41
4.8x70
#6x1Â 1/2"
#7x1Â 1/2"
#8x1Â 5/8"
3.5x38
3.9x41
4.2x45
4.8x75
#6x1Â 5/8"
#7x1Â 5/8"
#8x1Â 3/4'
3.5x41
3.9x45
4.2x50
4.8x80
#6x1Â 3/4"
#7x1Â 3/4"
#8x2"
3.5x45
3.9x50
4.2x55
4.8x85
#6x2"
#7x2"
#8x2Â 1/4"
3.5x50
3.9x55
4.2x63.5
4.8x90
 #7x2 1/4"
#8x2Â 1/2"
3.5x63.5
3.9x63.5
4.2x65
4.8x95
 #7x2 1/2"
#8x3"
Â
 4.2x70
4.8x100
 #7x3"
#8x3Â 1/4"
Â
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4.2x75
4.8x110
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Self Tapping Screw Black Gypsum Board Drywall Screw
1. Surface Treatment for the drywall screw : Black, Grey Phosphated
2. Other Optional: Zinc, Yellow Zinc and Black Zinc
3. Material: C1022 steel hardend
4. Head type: Pilliips bugle head
5. End type: Sharp point, drilling point
6. Thread: Fine thread for metal, coarse thread for wood
7. Diameter: 3.5mm -5.2mm, #6 to #14;
Length from 16mm to 150mm, 1/2" to 5".
8. Package: Small plain box (white or brown)
Bulk Cartons (with big polybag)
9. Mainly used for fixing and connecting iron joists and recycled wooden products
10. Features: Drywall screw, phillips, bugle head, coarse thread or fine thread, black phosphate.
11.Normal Size: (3.5mm or 6# and 4.2mm or 8# is the best seller among all market)Â
3.5x13
3.9x13
4.2x16
4.8x50
 #6x1/2"
#7x1/2"
#8x5/8"
3.5x16
3.9x16
4.2x19
4.8x55
#6x5/8"
#7x5/8"
#8x3/4"
3.5x19
3.9x19
4.2x25
4.8x60
#6x3/4"
#7x3/4"
#8x1"
3.5x25
3.9x25
4.2x32
4.8x63
#6x1"
#7x1"
#8x1Â 1/4"
3.5x32
3.5x32
4.2x38
4.8x65
#6x1Â 1/4"
#7x1Â 1/4"
#8x1Â 1/2"
3.5x35
3.9x38
4.2x41
4.8x70
#6x1Â 1/2"
#7x1Â 1/2"
#8x1Â 5/8"
3.5x38
3.9x41
4.2x45
4.8x75
#6x1Â 5/8"
#7x1Â 5/8"
#8x1Â 3/4'
3.5x41
3.9x45
4.2x50
4.8x80
#6x1Â 3/4"
#7x1Â 3/4"
#8x2"
3.5x45
3.9x50
4.2x55
4.8x85
#6x2"
#7x2"
#8x2Â 1/4"
3.5x50
3.9x55
4.2x63.5
4.8x90
 #7x2 1/4"
#8x2Â 1/2"
3.5x63.5
3.9x63.5
4.2x65
4.8x95
 #7x2 1/2"
#8x3"
Â
 4.2x70
4.8x100
 #7x3"
#8x3Â 1/4"
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4.2x75
4.8x110
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Model NO.: J&J
Grade: 4.8
Item Name: Black Phosphated Bugle Head DIN7505 Drywall Screw
Size: 3.5X19mm-5.5X75mm
Clour: Black, Grey
Materials: C1022
MOQ: 1 Ton
Sample: Offer for Free
Delivery Time: 20-25 Days
Loading Port: Tianjin/Guangzhou
Price Term: CIF, Fob, EXW
Trademark: J & J
Transport Package: 1000PCS/Box or as Required
Specification: GB, SGS
Origin: Guangzhou
HS Code: 7318120001
Model NO.: J&J
Grade: 4.8
Item Name: Black Phosphated Bugle Head DIN7505 Drywall Screw
Size: 3.5X19mm-5.5X75mm
Clour: Black, Grey
Materials: C1022
MOQ: 1 Ton
Sample: Offer for Free
Delivery Time: 20-25 Days
Loading Port: Tianjin/Guangzhou
Price Term: CIF, Fob, EXW
Trademark: J & J
Transport Package: 1000PCS/Box or as Required
Specification: GB, SGS
Origin: Guangzhou
HS Code: 7318120001
Self Tapping Screw Black Gypsum Board Drywall Screw