4 × 1/4" Hex Washer Serration Head Phillips Thread Forming inch Screws for Plastic Steel Black

PHPS0404B is a 4-20 Hex Washer Head head Phillips drive screw made of Black Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 1/4 inches and is commonly used in electronics, watches, precision instruments, and 3D printers.

The PHPS0404B screw features thread size 4-20, length of 1/4 inches, head type Hex Washer Head (head diameter G .225/.243 WAF .181 inches), drive type Phillips (drive size PH No.1), and is made of Black Zinc Plated Steel.

The PHPS0404B screw is made of Black Zinc Plated Steel. Superneer provides material test reports (MTR) and RoHS compliance certificates for all products. Black Zinc Plated Steel offers excellent corrosion resistance and mechanical strength.

The PHPS0404B screw has a 4-20 thread. This is a UNC (Unified National Coarse) thread with 4-20 specification, widely used in North American applications.

PHPS0404B Hex Washer Head head Phillips drive screws are used in electronics assembly, PCB mounting, precision instruments, watches, 3D printers, optical devices, medical equipment, and consumer products where reliable fastening with Hex Washer Head head aesthetics is required.

The minimum order quantity (MOQ) for PHPS0404B is 10,000 pieces. The unit price is $0.019 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.

The lead time for PHPS0404B is 15-25 days for production. Shipping to USA takes 5-15 days via sea freight, with shipping cost starting from $50 USD. Air freight is available for urgent orders. DDP and FOB terms are both available.

The PHPS0404B uses a Hex Washer Head head type. Hex Washer Head head provides a specific head design optimized for its intended application. This head type is selected based on the specific application requirements for load distribution, aesthetics, and accessibility.

To choose the right screw: 1) Determine the required thread size based on the tapped hole or nut; 2) Select the appropriate length based on the material thickness; 3) Choose the head type based on clearance and aesthetics; 4) Select the drive type based on torque requirements; 5) Choose the material based on environmental conditions. For PHPS0404B (4-20, 1/4 inches), ensure your application requires this specific size.

PHPS0404B uses Black Zinc Plated Steel finish, while alternative variants in the same thread/length specification include PHPS0404S (SUS304 Stainless Steel), PHPS0404Z (Blue Zinc Plated Steel). The Black Zinc Plated Steel of PHPS0404B is specifically selected because it offers a black decorative finish combined with good corrosion resistance, ideal for consumer electronics, automotive interiors, and applications where both appearance and rust prevention matter. This distinction makes PHPS0404B the preferred choice when these properties align with your application requirements.