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Description:
Hex Head Self Drilling Screw1. Material: middle carbon steel
2. Point: diamond point
3. Diameter: 2.8mm to 4.2 mm
Hex Head Self DrillingScrew:
We produce many kinds of steel concrete nails: galvanized steelconcretenails, blue steel concrete nails, black steel concretenails, etc.
1. Material: middle carbon steel
2. Hardness: HRC48 to 52
3. Diameter: 2.8mm to 4.2 mm
4. Length: 40mm to 80mm
5. Shrank: smooth, grooved, spiral, angular, twiste
6. Point: diamond point
7. Surface treatment: electro galvanized, black, blue
8. Packing: according to your requirement
9. ISO9001:2000
Focus on good quality only


