| Name | Black washer / Spring washer / Flat washer |
| Place of Origin | Jiaxing, Zhengjiang, China |
| Size | M5-M100 or non-standard as request&design |
| Finish | plain, zinc plated, black oxide, hot dip galv.et |
| Head Type | Â Spring WASHER |
| Material | Carbon steel, stainless steel, alloys steel  etc. |
| Grade | 4.8,8.8,10.9,12.9.etc A2-70, A4-80 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc |
| Non-standards | OEM is available, according to drawing or samples |
| Samples | Samples are free. |
| Package | Bulk in master cartons, then on pallets, or according to customers' requirement. |
| Payment | T/T or L/C |
1. Good aftersale service
2. Material: Stainless steel, carbon steel, copper, iron
3. Certificate: ISO, DIN,
About us:
Jiaxing Goshen Hardware Co Limited, formerly Haina Fastener Co.,Ltd, established in China Mainland with the High-Quality strategy and marketing philosophy inherited from the holding company in the willing to supply better service for the domestic and overseas client.
Mainly Product;
BOLT : din933, din931, din419, din558, din7990, din6922, ASME/ANSI B 18.2.1 , ASME/ANSI BÂ Â Â Â Â Â Â Â 18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect
Rod : threaded rod din976, threaded bar din975 stud bolt, B7 stud bolt ect
Nut : din934, hex heavy hex nut, 2H nut, din555, flange bolt, cap nut, nylon nut, ect
Screw :hex screw, self drilling screw, self tapping screw, drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
 washer :flat washer, spring washer, lock washer,square washer,spring lock washer, plain washer ect
Customized:
If you have drawing or samples, we can as your requirment to product. Welcome to your early reply.
Promise:
1. Hight quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Best service
| Name | Black washer / Spring washer / Flat washer |
| Place of Origin | Jiaxing, Zhengjiang, China |
| Size | M5-M100 or non-standard as request&design |
| Finish | plain, zinc plated, black oxide, hot dip galv.et |
| Head Type | Â Spring WASHER |
| Material | Carbon steel, stainless steel, alloys steel  etc. |
| Grade | 4.8,8.8,10.9,12.9.etc A2-70, A4-80 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc |
| Non-standards | OEM is available, according to drawing or samples |
| Samples | Samples are free. |
| Package | Bulk in master cartons, then on pallets, or according to customers' requirement. |
| Payment | T/T or L/C |
1. Good aftersale service
2. Material: Stainless steel, carbon steel, copper, iron
3. Certificate: ISO, DIN,
About us:
Jiaxing Goshen Hardware Co Limited, formerly Haina Fastener Co.,Ltd, established in China Mainland with the High-Quality strategy and marketing philosophy inherited from the holding company in the willing to supply better service for the domestic and overseas client.
Mainly Product;
BOLT : din933, din931, din419, din558, din7990, din6922, ASME/ANSI B 18.2.1 , ASME/ANSI BÂ Â Â Â Â Â Â Â 18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect
Rod : threaded rod din976, threaded bar din975 stud bolt, B7 stud bolt ect
Nut : din934, hex heavy hex nut, 2H nut, din555, flange bolt, cap nut, nylon nut, ect
Screw :hex screw, self drilling screw, self tapping screw, drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
 washer :flat washer, spring washer, lock washer,square washer,spring lock washer, plain washer ect
Customized:
If you have drawing or samples, we can as your requirment to product. Welcome to your early reply.
Promise:
1. Hight quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Best service
PVC Self-Repair High Speed Zipper Door
Zipper quick door
The curtain of the high-speed zipper door is made of 1.2MM PVC coating cloth which can be embedded into the window. The unique design of this zipper door makes it possible to provide efficient goods entrance and exit under the premise of minimizing heat loss, so as to maintain the original temperature conditions in the room. The high-speed zipper door can provide different opening and closing speeds. According to the different needs of customers to provide the best speed of adaptation. The high speed zipper door curtain section ensures the safety of equipment and personnel without any solid parts. The high speed zipper door has a self-repair function, which means that even if the curtain is derailed in the middle (e.g., hit by a forklift), The self-healing system will automatically guide the curtain rerail in the next loop.) We can do this in the event that the front or back of the door hits the curtain and derails.
The new zipper is professional for derailed repair zipper door, zipper head material nylon 66, with built-in steel wire rope and screws fixed curtain, under the impact of gravity can let the curtain out of the rapid and correct return to the track, and track teeth without damage, durable, improve the original zipper teeth easy to wear defects.
PVC auto-repair fast door,automatic industrial sectional door, PVC Self-recovery high speed door,rapid PVC high speed door,self-repairing high speed doors
SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfahsrs.com