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1.Descriptions:
1. Name: DIN7504N pan head self drilling screws, galvanize
2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: 3.5mmx10mm--6.3x200mm
4. Standard: DIN7504N
5. Certification: ISO9001, SGS, CTI, ROHS
6. Drive: philips, pozi, socket, hex, square, slotted, combined
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.
3. Drawing Specifications:
| d1 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 |
| d2 | 5.6 | 6.9 | 7.5 | 8.2 | 9.5 | 10.8 | 12.5 |
| k max | 2.2 | 2.6 | 2.8 | 3.05 | 3.55 | 3.95 | 4.55 |
| m ~ | 3 | 4.2 | 4.4 | 4.6 | 5 | 6.5 | 7.1 |
| Bit No. | 1 | 2 | 2 | 2 | 2 | 3 | 3 |
| for sheet metal | 0,7- | 0,7- | 0,7- | 1,75- | 1,75- | 1,75- | 2- |
| thickness | 1.9 | 2.25 | 2.4 | 3 | 4.4 | 5.25 |
4. Technical Data:
| Course Thread Self Drilling Screws – #3 Point | ||||||||||
| Nominal Size or | Threads | T | t | A | B | |||||
| Basic Screw | Per Inch | Major Diameter | Minor Diameter | Drill Point Length | Drill Point Diameter | |||||
| Diameter | Max | Min | Max | Min | Max | Min | Max | Min | ||
| 5/16 | 0.3125 | 12 | 0.315 | 0.307 | 0.272 | 0.263 | 0.421 | 0.361 | 0.27 | 0.265 |
| 3/8 | 0.375 | 12 | 0.38 | 0.37 | 0.308 | 0.298 | 0.354 | 0.314 | 0.338 | 0.33 |
5. Our Advantages:
1. High quality: we make 100% quality test before shipping
2. Rich experience: we have been in this line for more than 20 years
3. Competitive prices: the same quality, but cheaper prices
4. Timely quotation: we can send you prices soonest at the same day
5. Good services: we supply OEM, ODM,OBM services and best after-sale services
6. Punctual delivery: we can ship every order on time
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