| Customization: | Available |
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| Standard: | DIN, ANSI, GB, JIS |
| Material: | Stainless Steel |
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SEMS screws (or SEM screws) are machine screws with lock washers pre-attached to save users assembly time. They combine two separate parts into one pre-assembled, low cost fastener. With washers under the head, SEM fasteners allow for fast installation, permanence, and easy adaptability to many applications. When using SEMS machine screws, there's no need to worry about the washer going missing; this, in turn, helps extend product life and ensure reliable performance.
| Name | SS304 SS316 DIN Hex head Sems Screw with both spring and flat washers |
| Head Type | flat head,pan head, hex head, truss head, button head, round head, slice head, oval head and so on |
| Size | M1.6-M16 |
| Thread Type | machine thread, fine thread, coarse thread, hi-low thread, cutting thread, reverse thread etc. |
| Material | carbon steel, stainless steel |
| Grade | 201, 304, 316, 410 |
| Surface | Plain, Galvanzied, HDG, Nickel Plated, Ruspert coating, power coated and so on |
| 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 packing, small box packing, plastic bag packing, plastic box packing or as customers' requirement. |
| Payment | TT, L/C |
Fastener Group is a leading manufacturer of stainless steel fasteners in China. It started with the establishment of Suzhou FAST Hardware Co., Ltd. in 2005. At present, we have 3 manufacturing bases in Jiangsu, Anhui and Guangdong. We are specialized in the production of various quality screws, including: tapping screw, machine screw, wood screw, Hex Socket cap screw, chipboard screw and other high-quality precision screws. They are widely used in various industries such as electronic communications, aerospace & defense, intelligent equipment, medical equipment, construction etc. All the products have been exporting to Europe, USA, Australia, Southeast Asia etc.
Our annual production capacity is more than 45,000 tons, and keep the continuous increasing. For standard fasteners, we have sufficient stocks with more than 12 thousand specifications.
Fastener Group is certified by IS09001 & ISO14001. Depending on the leading system of ERP, APS, MES (Manufacturing Execution System), QMS (quality management system), WMS (warehouse management system), we can provide products of consistent quality in the soonest delivery time.
Q: Are you trading company or manufacturer?
A: We are factory, and we have 3 production bases to reach the production capacity more than 45000 tons per year.
Q: Which countries do you export to?
A: Our goods are mainly exported to European countries, USA, Middle Asia, South Korea, south Africa and so on.
Q: Do you provide samples ? is it free?
A: Yes, we could supply the samples for free, but do not pay the courier cost.
Q: What is your terms of payment?
A: 30% T/T in advance, the balance against copy of BL .
Q: How about the delivery time?
A: Usually one container can be finished within 10-30 days after receiving your advance payment. and we have 12000 specifications in stock for customers' urgent requirements.
Q:Why Choose us?
A: Focus on the fasteners for more than 20 years;
B: Three manufacturing bases
C: Expert sales teams with 7 X 24 hour service;
D: Have got ISO,CE certificate and many patents.
E. Have 900 employees, 100+ R&D Technical workers, many testing machines
F: 45000 tons production capacity, 12000 specifications in stock
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