Chipboard screws. Hardened steel recessed countersunk head, single threaded screw ideal for man-made board. Zinc and yellow passivated. This kit contains a selection of the most popular sizes.
Kit Contents:
3.5x20 (50), 3.5x25 (50), 4.0x25 (75), 4.0x30 (75), 4.0x40 (150), 5.0x50 (50), 5.0x60 (50), 5.0x80 (50)