[M4x20] Countersunk Head Tapping Screws, Type 1 (A-Shaped), 10 pieces

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1. KEY FEATURES: - Head shape: countersunk - Material: iron - Surface treatment: Unichrome plating - Quantity: 10 - Dimensions (thread designation d x length L) (mm): M4x20

2. PRODUCT DESCRIPTION: ●Easy to use small pack (10 pieces). ●A class 1 A type cross-recessed (+) countersunk tapping screw with a pointed tip. A countersunk head has a flat top and a conical seat. ●It is necessary to counterbore the material into a dish shape. ●The diameter of the head is twice the nominal diameter. (8mm for M4) ■Unlike other screws, the length of the countersunk head screw is the entire length including the head. (The length of the pan head, truss head, and bind head is the length from the bottom of the neck to the tip of the screw.) ■ [Features] A screw that is tightened while tapping the screw itself in a place where a pilot hole is drilled in the mating material, which saves the effort of tapping the screw, and because there is no rattling, it is difficult to loosen. *Please note that the pilot holes differ depending on the thickness and type of screw. [Shape] The pitch is the roughest and the tip is sharp, with a thread standing all the way to the tip. The pointed part at the tip serves as a guide for positioning the center of the hole and assists in biting. [Compatible materials] Mainly suitable for thin plate steel (1.2mm or less), hardboard, and wood.

3. PRODUCT DIMENSIONS & WEIGHT: - Weight: 0.01 kg - Dimensions: 5.8 x 3.2 x 0.9 cm

4. SPECIFICATIONS: - Brand: nejico - Manufacturer: screw storage