Suzhou Runtai Precision Hardware Co,.Ltd.
We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China.
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Stainless Steel Hex Head with Flat Washer SEMS Screws Stainless Steel Hex Bolt with Flat Washers
Descriptions:
Screw and washer assemblies are commonly called "SEMS" when they are preassembled. The innovative SEMS products are another major fastening invention by ITW Shakeproof that changed the industry. Tooth lock, helical spring lock, dished type and conical washers, to name a few, can be preassembled to machine screws, as well as, thread forming, thread cutting and self-drilling screws. These combinations offer unique capabilities that would otherwise be unavailable for easy and efficient assembly operations.
We are factory to produce many kinds of screws for more than 15 years, every month we can ship 15-20 containers to the world market....we can supply full range of sems screws, including the pan head, truss head, hex head, cylinder head and so on, contact us freely to get more detailes....
Specifications:
1. Name: Hex head Sems screws
2. Grade: C10B21, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: M3--M10
4. Standard: DIN ISO GB/T
5. Certification: ISO9001, SGS, CTI, ROHS
| Product Name | hex head sems screws with washers |
| Material | stainless steel, carbon steel, alloy steel, brass and so on |
| Color | plain, black zinc, paint, decramet, HDG, ruspert, nickel and so on |
| Standard | DIN GB ISO JIS BA ANSI |
| Grade | C10B21, C1022, SUS201, SUS304, SUS316, A2-70, A2-80, A4-80 |
| Sizes | M3-M10 |
| Thread | full thread, partical thread |
| Washer | flat washer, spring washer, wave washer, tooth washer |
Features & Benefits
Some of the Important advantages of screw and washer assemblies include:
FAQ
Q1: Why choose Runtai?
To provide our customers with first-class services in the supply of high quality screw, bolt, bushing, nut and customized hardware.
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Q2: How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality.
If you just need a sample we have in our stock, we will provide you sample for free and you afford the freight.
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Q3: Can you strictly follow the tolerance on the drawing and meet the high precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
stainless steel hex bolt and nut and washer
Q4: How long can I expect to get the customized sample?
After you pay the sample charge and send us confirmed files, and the mould is existing in our factory, the samples will be ready in 5-10 working days;
If the mould is not existing, we need to open a new mould, the samples will be ready in 10-15 working days; The samples will be sent to you via and arrive in 3-5 working days. You can use your own express account number or prepay us if you do not have an account.
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Q5: What’s your Delivery Time?
Honestly, it largely depends on the order quantity and the season when you place the order. As usual, 15-30working days will be ok. If you are very urgent, we will try our best to do it.
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