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 | Black Oxide Metric Alloy Steel Hex Drive Flat 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 | Black Oxide Metric Alloy Steel Hex Drive Flat 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 | flat head machine screws ，flat head cap screw | ||
Black Oxide Metric Alloy Steel Hex Drive Flat Head Screws Countersunk Machine Screws
Products Description
Made from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Screws with an undercut profile have a shallow head for use in thin materials.
Black-oxide alloy steel screws have mild corrosion resistance in dry environments.
Products Specification
| Thread Size | M4 |
| Thread Pitch | 0.7 mm |
| Length | 10 mm |
| Threading | Fully Threaded |
| Head Diameter | 8 mm |
| Head Height | 2.3 mm |
| Countersink Angle | 90° |
| Drive Style | Hex |
| Drive Size | 2.5 mm |
| Material | Black-Oxide Alloy Steel |
| Fastener Strength Grade/Class | Class 10.9 |
| Hardness | Rockwell C32 |
| Tensile Strength | 120,000 psi |
| Thread Type | Metric |
| Thread Spacing | Coarse |
| Thread Fit | Class 6g |
| Thread Direction | Right Hand |
| Head Type | Flat |
| Flat Head Profile | Standard |
| System of Measurement | Metric |
| Specifications Met | DIN 7991, ISO 10642 |
| RoHS | Compliant |
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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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