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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No.3 No.5 No.6 Hot Dip Galvanized Self Drilling Screws , Hex Flange Head Screw 10mm - 300mm
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....
1. Descriptions:
1. Name: DIN7504K hex washer head self drilling screws, roofing screws
2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: 3.5mmx10mm--6.3x300mm
4. Standard: DIN7504K
5. Certification: ISO9001, SGS, CTI, ROHS
Product Name | DIN7504K hex head self drilling screw, tek 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 |
Sizes | #6x10mm---#14x300mm, 3.5x10mm--6.3x300mm |
Thread | full thread, partical thread, H-L thread, double thread |
Drive | philips, pozi, socket, hex, square, solloted, combined |
2. Applications:
Our company adopts high quality lighning points mold to produce many kinds of stainless steel hex head self drilling screws. The self drilling performance is superior 2-3 seconds faster than the average drilling speed and greatly reducing the labour intensity and improving work efficiency.
Through ordinary passivation, the antioxidant and rust-proof capacity of self drilling screws which our factory produced increased by more than 5 times, and the neutral salt spray test has achieved more than 50 hours. Extending the working life and increasing the reliability.
3. Drawing Specifications:
| Self tapping screw ASA TYPE A | |||||
| sizes | thread No/P(T) | outer dia. | rolling dia. | ||
| Max | Min | Max | Min | ||
| No.0 | 40 | 1.52 | 1.44 | 1.20 | 1.15 |
| No.1 | 32 | 1.90 | 1.82 | 1.50 | 1.45 |
| No.2 | 32 | 2.23 | 2.13 | 1.80 | 1.75 |
| No.3 | 28 | 2.56 | 2.46 | 2.10 | 2.05 |
| No.4 | 24 | 2.89 | 2.79 | 2.30 | 2.25 |
| No.5 | 20 | 3.30 | 3.20 | 2.65 | 2.60 |
| No.6 | 18 | 3.58 | 3.45 | 2.80 | 2.75 |
| No.7 | 16 | 4.01 | 3.86 | 3.15 | 3.10 |
| No.8 | 15 | 4.26 | 4.11 | 3.35 | 3.30 |
| No.9 | 14 | 4.55 | 4.40 | 3.50 | 3.45 |
| No.10 | 12 | 4.92 | 4.77 | 3.75 | 3.70 |
| No.12 | 11 | 5.60 | 5.46 | 4.40 | 4.35 |
| No.14 | 10 | 6.45 | 6.29 | 5.10 | 5.05 |
| No.16 | 10 | 7.11 | 6.96 | 5.70 | 5.65 |
| No.18 | 9 | 7.77 | 7.62 | 6.10 | 6.05 |
| Self tapping screw M/M TYPE A | |||||
| sizes | thread No/P(T) | outer dia. | rolling dia. | ||
| Max | Min | Max | Min | ||
| 1.0 | 60 | 1.05 | 1.00 | 0.87 | 0.82 |
| 1.2 | 56 | 1.25 | 1.20 | 1.05 | 1.00 |
| 1.4 | 48 | 1.50 | 1.40 | 1.20 | 1.15 |
| 1.7 | 40 | 1.80 | 1.70 | 1.45 | 1.40 |
| 2 | 32 | 2.10 | 2.00 | 1.75 | 1.70 |
| 2.3 | 32 | 2.40 | 2.30 | 2.00 | 1.95 |
| 2.6 | 28 | 2.70 | 2.60 | 2.20 | 2.15 |
| 3 | 24 | 3.10 | 3.00 | 2.45 | 2.40 |
| 3.5 | 18 | 3.65 | 3.50 | 2.85 | 2.80 |
| 4 | 16 | 4.15 | 4.00 | 3.30 | 3.25 |
| 4.5 | 14 | 4.65 | 4.50 | 3.60 | 3.55 |
| 5 | 12 | 5.20 | 5.00 | 3.95 | 3.90 |
| 6 | 10 | 6.20 | 6.00 | 4.80 | 4.75 |
| 8 | 9 | 8.20 | 8.00 | 6.45 | 6.40 |
4. More pictures:
HWH SELF DRILLING TEK SCREW
