Cross Recessed Hex Head Self Tapping Screw with indentation and Large Plain Washer

(mm) ST2.9 ST3.5 ST4.2 ST4.8 ST6.3 ST8 P 1.1 1.3 1.4 1.6 1.8 2.1 s max 5 5.5 7 8 10 13 s min 4.82 5.32 6.78 7.78 9.78 12.73 e min 5.4 5.96 7.59 8.71 10.95 14.26 k max 2.3 2.6 3 3.8 4.7 6 k min 2 2.3 2.6 3.3 4.1 5.2 No. 1 2 2 2 3 3 M 2.5 3.5 4 4.4 6.2 7.2 t min 0.95 0.91 1.4 1.8 2.36 3.2 t max 1.32 1.43 1.9 2.33 2.86 3.86 d1 max 2.56 3.12 3.67 4.12 5.52 7.27 d1 min 2.46 3 3.55 4 5.4 7.15 dc max 9 11 12 15 18 21 dc min 8.64 10.57 11.57 14.57 17.57 20.48 h min 0.9 0.9 1.4 1.4 1.4 1.8 h max 1.1 1.3 1.4 1.8 1.8 2.2   The Hex Head Self Tapping Screw is designed for efficient and secure fastening, ideal for a variety of applications. Key features include: Self-Tapping Design: Available in multiple sizes (ST2.9 to ST8), these screws allow for easy installation as they create threads in the material without the need for pre-drilling. Cross Recessed Hex Head: Ensures a secure fit for tools, enhancing torque application and reducing slippage during installation. Indentation and Large Plain Washer: Provides increased surface area for better load distribution and resistance against pull-out, improving overall stability. Precision Dimensions: Thread sizes range from 1.1 mm to 2.1 mm in pitch (P). Maximum and minimum dimensions for head (dc), screw length (s), and thickness (t) are meticulously calibrated for a perfect fit in various applications. Durable Construction: The screws are engineered for various material interactions, making them reliable for both residential and industrial uses. Distributors can leverage these features to offer a versatile solution for construction and assembly projects that require strong and reliable fastening options.