GB international, ANSI by USA, JIS by Japan, DIN by Germany, ISO Characteristics of mechanic thread performance:1. Mechanic teeth thread shows continuous ups-and-downs shape, and the teeth bottom has no plane, and usually is used with nut.2. The thread teeth angle is 60°,...

1)Triangle-thread screw. 2)triangle teeth can serve for loose-resisiting, lower down the requirement of washer tackifier. Characters of Triangle-thread:1. To reduce the additonal cost and the related cost of tapping process.2. The design of triangle teeth can serve for...

1)combination screw 2)with two components assembly 3)with three components assembly Assembly screw type:1. with two components assembly (Assembly screw with flat washer, or teeth washer or elastic washers).2. with three components assembly (Assembly with screw and elastic...

machine screw 1)outside dia: 1mm to 12mm, length: 3mm to 160mm. 2)GB international, ANSI by USA, JIS by Japan, DIN by Germany machine screwCharacteristics of mechanic thread performance:1. Mechanic teeth thread shows continuous ups-and-downs shape, and the teeth bottom has no...

1)wood screw 2)Wood screw is mainly applied to wood field. Such as construction/furniture or other wooden product. Characters of wood screw:1. Threading teeth angle is usually between 45°and 55°, and the pointed tail is about 36, and 1/3 of its head has no teeth.2. Wood...

1)wall screw 2)Wall screw is also called triumph-head screw, and can be used to replace wood screw. Characters of wall screw:1. Wall screw is also called triumph-head screw, and can be used to replace wood screw.2. The screw head form is in the shape of triumph head, and it is...

Tapping screw it doesn't need to make thread in the part to be connected in advance. Characters of tapping screwThe tapping screw is hard, and it doesn't need to make thread in the part to be connected in advance. When connecting, use the screw to directly tap out the...