Super-Corrosion-Resistant High-Strength Stainless Steel Hex Head Drilling Screws for Metal
Product Description:
Self drilling screws enable drilling without first creating a pilot hole.These screws are usually used to join materials like sheet metal.
These screws have the strength of 316 stainless steel with added corrosion resistance.
They have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal.
They save you time and effort by drilling their own holes and fastening in a single operation.
Length is measured from under the flange. Head height includes the flange.
Product Drawings:
| Hexagon head drilling screws with tapping screw thread with collar |
| DIN 7504K-1995 |
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| d(mm) | P(mm) | h(mm) | dc(mm) | k(mm) | s(mm) | dp |
| min | min | max | min | max | min | max | max |
| ST2.9 | 1.1 | 0.4 | 5.8 | 6.3 | 2.5 | 2.8 | 3.82 | 4 | 2.3 |
| ST3.5 | 1.3 | 0.6 | 7.6 | 8.3 | 3 | 3.4 | 5.32 | 5.5 | 2.8 |
| ST3.9 | 1.3 | 0.6 | 7.6 | 8.3 | 3 | 3.4 | 5.32 | 5.5 | 3.1 |
| ST4.2 | 1.4 | 0.8 | 8.1 | 8.8 | 3.6 | 4.1 | 6.78 | 7 | 3.6 |
| ST4.8 | 1.6 | 0.9 | 9.8 | 10.5 | 3.8 | 4.3 | 7.78 | 8 | 4.1 |
| ST5.5 | 1.8 | 1 | 10 | 11 | 4.8 | 5.4 | 7.78 | 8 | 4.8 |
| ST6.3 | 1.8 | 1 | 12.2 | 13.5 | 5.3 | 5.9 | 9.78 | 10 | 5.8 |
Production Workshop:
Packing:
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory and OEM are available.
Q: How long is your delivery time?
A: Generally it is 2-5 days if the goods are in stock,or it is 15-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: 30% T/T in advance ,balance before shipment or L/C.
If you have another question, please feel free to contact us.
Product Tags:
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DIN7504K Self Tapping Stainless Steel Screws For Metal 316 Hex Washer Head Images
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