Basic Info.
Packaging & Delivery
Product Description
| Items | Information |
| Name | Self-drilling screw |
| Material | Stainless Steel, carbon Steel |
| Measurement system | INCH, Metric |
| Place of Origin | TIANJIN , CHINA |
| Brand Name | BOYA METAL |
| Standard | DIN,ANSI,BS,JIS |
| Head type | phillips flat Head |
| Point | Drilling Point |
| Color | Zinc White/OEM |
| Certificate | ISO9001 |
| Drive type | Phillips Dive |
| Finish | Zinc plated |
| Package | carton+pallet |
Flat Phillips Csk Truss Head Self-Drilling Tapping Screw
Head type:Flat head/CSK Head/Countersunk head
Standard:DIN7504P
Material:C1022, C1022A ···
surface treatment:Zinc Plated (White Blue Zinc Plated, Yellow Zinc, White Zinc Plated)
Diameter:3.5mm, 3.9mm, 4.2mm, 4.8mm ···
Driver types:Phillips
Rib(Nib):Customized
| Screw Thread | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ||
| d | |||||||||
| P | Pitch | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| a | max | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| dk | max | 5.5 | 6.8 | 7.5 | 8.1 | 9.5 | 10.8 | 12.4 | |
| min | 5.2 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | 11.97 | ||
| k | ≈ | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | 3.8 | |
| Socket No. | 1 | 2 | 2 | 2 | 2 | 3 | 3 | ||
| dp | max | 2.3 | 2.8 | 3.1 | 3.6 | 4.1 | 4.8 | 5.8 | |
| M1 | 3 | 4.2 | 4.6 | 4.7 | 5.1 | 6.8 | 7.1 | ||
| M2 | 2.8 | 4 | 4.2 | 4.4 | 5 | 6.3 | 7 | ||
| Drilling range(thickness) | 0.7~1.9 | 0.7~2.25 | 0.7~2.4 | 1.75~3 | 1.75~4.4 | 1.75~5.25 | 2~6 | ||
| Lg | - | - | - | - | - | - | - | ||
Tianjin Boya Metal Products Co.,Ltd was established in 2007, mainly producing and exporting various nails, such as common nail, clout nail, roofing nail, ring shank nail, etc and the screws, drywall screws, chipboard screws, self tapping screws and self drilling screws in tianjin city of china for more than 30 years with our own equipments.
Our factory covers an area of 20 acres ,15000 square metres. Total employee 70 persons, include excellent sales 8 person. Advanced production equipment and processing technical,the annual production capacity reachs about 50000 tons.We have our own nails and screw mills with the independent export and import rights.
Our factory located in Binhai,Tianjin, is near to Xingang port and Tianjin airport..The advantages location has ensured punctual delivery time and saved cost. Our products just for exporting, already exported to West Africa, East Africa, Middle East, South America, Southeast Asia etc. So far,we have established the long-term business relationship with Europe clients. And the quality of our products have been approved by all clients. We are willing to cooperate with you in near future!Our company principles are fine quality,in-time consignment and reasonable price.We sincerely hope to establish business relationships with friends from around the world and to create a bright future together with your firm.
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Welcome your inquiry of our flat head self drilling screws!