Self-Drilling Screws
The tail of the self-drilling screw is in the shape of a drill tail or a pointed tail. No auxiliary processing is required. It can be directly drilled, tapped, and tightened on the setting material or foundation material, greatly saving construction time. They are commonly used in construction, manufacturing, and various DIY projects.
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Stainless Steel Pan Head Phillips Self Drilling ScrewsDetailDimension Table
Stainless Steel Self Drilling Phillips Pan Head Screws, sometimes called Tek Screws, are designed to both bore and tap a hole through steel in one operation. Self Drilling Phillips Pan Head Screws are available in screw diameters from ST2.9 to ST6.3, and thread lengths from 9.50mm to 50.00mm. All of AYA’s Self Drilling Phillips Pan Head Screws are manufactured from high-quality Stainless Steel, and comply with DIN or ASME Standards. Additional material can be made available on request, please contact our sales team for details.
Thread Size ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 P Pitch 1.1 1.3 1.4 1.6 1.8 1.8 a max 1.1 1.3 1.4 1.6 1.8 1.8 dk max 5.6 7 8 9.5 11 12 min 5.3 6.64 7.64 9.14 10.57 11.57 k max 2.4 2.6 3.1 3.7 4 4.6 min 2.15 2.35 2.8 3.4 3.7 4.3 r min 0.1 0.1 0.2 0.2 0.25 0.25 R ≈ 5 6 6.5 8 9 10 dp 2.3 2.8 3.6 4.1 4.8 5.8 Drilling range(thickness) 0.7~1.9 0.7~2.25 1.75~3 1.75~4.4 1.75~5.25 2~6 Socket No. 1 2 2 2 3 3 M1 3 3.9 4.4 4.9 6.4 6.9 M2 3 4 4.4 4.8 6.2 6.8 -
Stainless Steel Pan Head Self Drilling ScrewsDetailDimension Table
AYA stainless steel pan head self-drilling screws are manufactured using high-quality stainless steel, ensuring excellent resistance to rust, corrosion, and extreme weather conditions. These screws are ideal for both indoor and outdoor environments, providing long-term durability and performance. These AYA stainless steel pan head self-drilling screws are engineered for professionals who need reliable, high-performance fasteners for a variety of construction, industrial, and DIY applications.
Thread Size ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 P Pitch 1.1 1.3 1.4 1.6 1.8 1.8 a max 1.1 1.3 1.4 1.6 1.8 1.8 dk max 5.6 7 8 9.5 11 12 min 5.3 6.64 7.64 9.14 10.57 11.57 k max 2.4 2.6 3.1 3.7 4 4.6 min 2.15 2.35 2.8 3.4 3.7 4.3 r min 0.1 0.1 0.2 0.2 0.25 0.25 R ≈ 5 6 6.5 8 9 10 dp 2.3 2.8 3.6 4.1 4.8 5.8 Drilling range(thickness) 0.7~1.9 0.7~2.25 1.75~3 1.75~4.4 1.75~5.25 2~6 Socket No. 1 2 2 2 3 3 M1 3 3.9 4.4 4.9 6.4 6.9 M2 3 4 4.4 4.8 6.2 6.8 -
Stainless Steel Hexagon Self Drilling ScrewDetailDimension Table
AYA Hex Washer Head Self-Drilling Screws are designed for superior fastening performance in various applications, providing reliable and efficient drilling without the need for pre-drilling.
Thread Size ST2.9 ST3.5 (ST3.9) ST4.2 ST4.8 (ST5.5) ST6.3 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 c min 0.4 0.6 0.6 0.8 0.9 1 1 dc max 6.3 8.3 8.3 8.8 10.5 11 13.5 min 5.8 7.6 7.6 8.1 9.8 10 12.2 e min 4.28 5.96 5.96 7.59 8.71 8.71 10.95 k max 2.8 3.4 3.4 4.1 4.3 5.4 5.9 min 2.5 3 3 3.6 3.8 4.8 5.3 kw min 1.3 1.5 1.5 1.8 2.2 2.7 3.1 r max 0.4 0.5 0.5 0.6 0.7 0.8 0.9 s max 4 5.5 5.5 7 8 8 10 min 3.82 5.32 5.32 6.78 7.78 7.78 9.78 dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8 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 -
SS Hex Head Self Drilling ScrewsDetailDimension Table
AYA SS Hex Head Self Drilling Screws combine high-quality stainless steel with a practical hex head design and a self-drilling tip, offering a reliable and efficient fastening solution for various applications. Whether for construction, automotive, manufacturing, or DIY projects, these screws provide durability, ease of use, and superior performance.
Thread Size ST2.9 ST3.5 (ST3.9) ST4.2 ST4.8 (ST5.5) ST6.3 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 c min 0.4 0.6 0.6 0.8 0.9 1 1 dc max 6.3 8.3 8.3 8.8 10.5 11 13.5 min 5.8 7.6 7.6 8.1 9.8 10 12.2 e min 4.28 5.96 5.96 7.59 8.71 8.71 10.95 k max 2.8 3.4 3.4 4.1 4.3 5.4 5.9 min 2.5 3 3 3.6 3.8 4.8 5.3 kw min 1.3 1.5 1.5 1.8 2.2 2.7 3.1 r max 0.4 0.5 0.5 0.6 0.7 0.8 0.9 s max 4 5.5 5.5 7 8 8 10 min 3.82 5.32 5.32 6.78 7.78 7.78 9.78 dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8 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 -
Stainless Steel Hex Washer Self Drilling ScrewsDetailDimension Table
AYA Hex Washer Head Self-Drilling Screws are designed for superior fastening performance in various applications, providing reliable and efficient drilling without the need for pre-drilling.
Thread Size ST2.9 ST3.5 (ST3.9) ST4.2 ST4.8 (ST5.5) ST6.3 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 c min 0.4 0.6 0.6 0.8 0.9 1 1 dc max 6.3 8.3 8.3 8.8 10.5 11 13.5 min 5.8 7.6 7.6 8.1 9.8 10 12.2 e min 4.28 5.96 5.96 7.59 8.71 8.71 10.95 k max 2.8 3.4 3.4 4.1 4.3 5.4 5.9 min 2.5 3 3 3.6 3.8 4.8 5.3 kw min 1.3 1.5 1.5 1.8 2.2 2.7 3.1 r max 0.4 0.5 0.5 0.6 0.7 0.8 0.9 s max 4 5.5 5.5 7 8 8 10 min 3.82 5.32 5.32 6.78 7.78 7.78 9.78 dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8 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 -
Hex Washer Head Self-Drilling ScrewsDetailDimension Table
AYA Hex Washer Head Self-Drilling Screws are designed for superior fastening performance in various applications, providing reliable and efficient drilling without the need for pre-drilling.
Thread Size ST2.9 ST3.5 (ST3.9) ST4.2 ST4.8 (ST5.5) ST6.3 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 c min 0.4 0.6 0.6 0.8 0.9 1 1 dc max 6.3 8.3 8.3 8.8 10.5 11 13.5 min 5.8 7.6 7.6 8.1 9.8 10 12.2 e min 4.28 5.96 5.96 7.59 8.71 8.71 10.95 k max 2.8 3.4 3.4 4.1 4.3 5.4 5.9 min 2.5 3 3 3.6 3.8 4.8 5.3 kw min 1.3 1.5 1.5 1.8 2.2 2.7 3.1 r max 0.4 0.5 0.5 0.6 0.7 0.8 0.9 s max 4 5.5 5.5 7 8 8 10 min 3.82 5.32 5.32 6.78 7.78 7.78 9.78 dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8 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 -
Stainless Steel Hex Head Self Drilling ScrewsDetailDimension Table
AYA Stainless Steel Hex Head Self Drilling Screws are engineered for both industrial and construction applications without the need for pre-drilling. Made from high-quality stainless steel, these screws offer excellent corrosion resistance, making them ideal for use in various environments, including outdoor and marine applications.
Thread Size ST2.9 ST3.5 (ST3.9) ST4.2 ST4.8 (ST5.5) ST6.3 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 c min 0.4 0.6 0.6 0.8 0.9 1 1 dc max 6.3 8.3 8.3 8.8 10.5 11 13.5 min 5.8 7.6 7.6 8.1 9.8 10 12.2 e min 4.28 5.96 5.96 7.59 8.71 8.71 10.95 k max 2.8 3.4 3.4 4.1 4.3 5.4 5.9 min 2.5 3 3 3.6 3.8 4.8 5.3 kw min 1.3 1.5 1.5 1.8 2.2 2.7 3.1 r max 0.4 0.5 0.5 0.6 0.7 0.8 0.9 s max 4 5.5 5.5 7 8 8 10 min 3.82 5.32 5.32 6.78 7.78 7.78 9.78 dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8 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
