Suzhou Runtai Precision Hardware Co,.Ltd.
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 1000ton/month |
| Delivery Time | 15-20 working |
| Packaging Details | Poly bag+Cartoon Box+ Wooden Pallet |
| Products Name | Grade 8.8 Alloy Steel Socket Head Screws |
| Part Number | RT- Bushing 002 |
| Standard | DIN,ANSI,JIS,ASTM,GB |
| Material For Choose | Carbon Steel, Stainless Steel,Brass, Aluminum Alloy |
| Surface Treatment | Plain, Zinc, Zinc Nickel Plated |
| Packaging | Poly Bag+Cartoon Box+ Wooden Pallet |
| Brand Name | Runtai |
| Model Number | RT-001 |
| Certification | ISO9001/TS16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 1000ton/month |
| Delivery Time | 15-20 working | Packaging Details | Poly bag+Cartoon Box+ Wooden Pallet |
| Products Name | Grade 8.8 Alloy Steel Socket Head Screws | Part Number | RT- Bushing 002 |
| Standard | DIN,ANSI,JIS,ASTM,GB | Material For Choose | Carbon Steel, Stainless Steel,Brass, Aluminum Alloy |
| Surface Treatment | Plain, Zinc, Zinc Nickel Plated | Packaging | Poly Bag+Cartoon Box+ Wooden Pallet |
| Brand Name | Runtai | Model Number | RT-001 |
| Certification | ISO9001/TS16949 | Place of Origin | China |
| High Light | hex head flange bolt ，hex flange bolts metric | ||
Grade 8.8 Alloy Steel Socket Head Screws DIN912 Allan Screws Socket Cap Screws
Products Description
Made from Grade 8.8 alloy steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
Black-oxide stainless steel screws have a matte-black finish.
Silver-plated stainless steel screws have mild lubricity so they thread smoothly.
Chrome-plated stainless steel screws have a decorative, mirror-like finish.
Metric screws are also known as A2 stainless steel screws.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
Screws that meet ISO 21269 and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
Products Specification
| Head Type | Socket |
| Socket Head Profile | Standard |
| Drive Style | Hex |
| System of Measurement | Metric |
| Thread Direction | Right Hand |
| Thread Size | M4 |
| Thread Pitch | 0.5 mm |
| Thread Type | Metric |
| Thread Fit | Class 6g |
| Length | 16 mm |
| Threading | Fully Threaded |
| Min. Thread Length | 18 mm |
| Thread Spacing | Coarse |
| Head | |
| Diameter | 5.5 mm |
| Height | 3 mm |
| Drive Size | 2.5 mm |
| Finish; Material | Grade 8.8 alloy steel |
| Tensile Strength | 70,000 psi |
| Hardness | Not Rated |
| Specifications Met | DIN 912, ISO 4762 |
| RoHS | Compliant |
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Production Equipment
Test Equipmemt
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.
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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.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
2000000-3000000
Employee Number:
30~40
Ecer Certification：
Active Member
We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China. Suzhou Runtai Prcision Hardware Co,.Ltd was eastiblished in 2000, located in the Suzhou City. With more than 10 years export experience, our products has been best-sellin... We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China. Suzhou Runtai Prcision Hardware Co,.Ltd was eastiblished in 2000, located in the Suzhou City. With more than 10 years export experience, our products has been best-sellin...
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