DIN7504K hex washer head stainless steel self drilling screw with EPDM, stainless steel roofing screw
Brand Name:Crever
Certification:ISO
Model Number:DIN7504K
Minimum Order Quantity:Negotiable
Delivery Time:10-30 working days
Payment Terms:T/T, L/C, D/P, MoneyGram
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Location:
Suzhou Jiangsu China
Address:
Rongda Industrial Park, Xinhua Road, Wangting Town, Suzhou City, China
Supplier`s last login times:
within 12 hours
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Product Details
1. Descriptions:
Hex head Self Drilling Screws have some Drill Point, Such as Type T4 and T5 hex head drill point. these screws are designed for heavy gauge metal to metal framing applications. These screws feature NanoGard exterior grade coating for improved corrosion resistance.
2. Specifications:
Product Name | DIN7504K hex head self drilling screw, roofing screw |
Material | stainless steel, carbon steel, alloy steel, brass and so on |
Color | yellow zinc, black phosphate, gray, white zinc, HDG, ruspert,
nickel and so on |
Standard | DIN GB ISO JIS BA ANSI |
Grade | C1018, C1022, SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8
8.8 10.9 12.9 |
Sizes | #6x10mm---#14x200mm, 3.5x10mm--6.3x200mm |
Thread | full thread, partical thread, Hi-Low thread |
Drive | philips, pozi, socket, hex, square, solloted, combined |
3.Applications:
Hex Washer Head Self Drilling Screws(HWH) or Hex Washer Flange Head (HWF) Self drilling screws are used in metal applications. Self-Drilling Screws, also called as Tek screws, eliminate the need for a pre-drilled hole.
The Self drilling screws, not like the self tapping screws, does not require a pre-drilled hole before installing. It can drill into the metal or iron board directly……
4. Material Chemical composition:
| stainless steel chemical composition | ||||||||
| Material | C max | Si max | Mn max | P max | S max | Ni max | Cr max | Mo max |
| SUS201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | |
| SUS304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | |
| SUS304L | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | |
| SUS305 | 0.12 | 1 | 2 | 0.045 | 0.03 | 10.5-13.0 | 17-19 | |
| SUS316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2.0-- 3.0 |
| SUS316L | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2.0-- 3.0 |
| SUS410 | 0.15 | 1 | 0.03 | - | 11.5-13.5 | |||
| SUS420 | 0.26-0.4 | 1 | 0.03 | - | 12-- 14 | |||
5. Mechanical properties Tests:
| Mechanical properties Tests | |||||
| drill point | sizes | torque strength kgf | tensile strength kgf | shear strength kgf | |
| SUS304 and SUS316 | SUS302 | ||||
| No.3 point | #8 (4.2) | 45 | 36 | -- | -- |
| #10 (4.8) | 52 | 42 | -- | -- | |
| #12 (5.5) | 84 | 68 | 810 | 620 | |
| #14 (6.3) | 132 | -- | 900 | 710 | |
| No.5 point | #12 (5.5) | 84 | 68 | 920 | 650 |
| #14 (6.3) | 132 | -- | 1050 | 745 | |
6. Why choose us as business partner:
| 1 | Quality control: | we make 100% quality test during producing and before shipping |
| 2 | Rich experience | we have been export screws for more than 20 years |
| 3 | Competitive prices | the better quality, but cheaper prices |
| 4 | Timely quotation | we can send you prices within one day |
| 5 | Good services | we supply OEM, ODM,OBM services and best after-sale services |
| 6 | Punctual delivery | we can ship every order without delay |
| 7 | Easy contact | skype and wechat: majestytom, QQ: 30062277 |
SS304,SS410,SS316 HEX HEAD SELF DRILLING SCREW
DIN7504K hex washer head stainless steel self drilling screw with EPDM, stainless steel roofing screw
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