Active Member
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[China]
Address: Rongda Industrial Park, Xinhua Road, Wangting Town, Suzhou City, China
Contact name:
Suzhou Crever Fastener Co., Ltd |
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DIN7504K EPDM Bonded Self Drilling Screws , Roofing Self Sealing Sheet Metal Screws
1. Descriptions:
Hex Washer head bonding sealing tek screws a/k/a Hex Teks with Bonded Seal are zinc plated self-drilling sheet metal screws with a drill point or self-tapping tip at the end of the screw and threaded from the tip to the head with a bonded sealing washer. Hex teks with bonded sealing washer are measured from the bottom of the hex head to the tip of the screw. of course, stainless steel such as ss304, ss410, ss316 is available for the self drilling screws.
2. Specifications:
1. Name: DIN7504K hex washer head screws with drilling point, roofing screws
2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: #6x10mm--#14x300mm
4. Standard: DIN7504K
5. Thread: A thread, AB thread, C thread
Product Name | DIN7504K hex flange head self drilling screw, roofing screw |
Material | stainless steel, carbon steel, alloy steel, brass and so on |
Color | yellow zinc, black oxide, paint, 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---#14x300mm, 3.5x10mm--6.3x300mm |
Thread | full thread, partical thread |
Drive | philips, pozi, socket, hex, square, solloted, combined |
3. Applications:
Hex Washer Head Self drilling screws, also known as "dovetail screw", “Tek screws”, “deck screws”, are produced as execution standard GB/T 15856.German standard DIN7504K This screw with drilling the tail tip named as twist drill, screw during assembly to drill out the center by Confucius, and then with the aid of the nearby threaded portion on the carrier hole tapping squeeze cut out with the thread, so called the self drilling and self tapping screws.
4. 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. Advantages:
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: 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
6. More pictures:
DIN7504K hex flange head self drilling screws with bonded sealing washer
