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brass Coarse Thread Mushroom Head Square Neck Carriage Bolt Grade 8.8 DIN603,M16
Diameter range (mm)：M5-M24，3/16-1'Length range (mm)：16-600，1''-2'
Protective grounding: Outdoor primary wiring should be connected with hot-dip galvanized bolts. Commonly used bolts should have flat washers and spring washers. After the bolts are tightened, the bolts should be exposed for 2 to 3 buckles. One bolt with two flat washers, one spring washer and one nut. When installing, place a flat washer on the side of the bolt head, and place a flat washer and a spring washer on the side of the nut, in which the spring washer rests on the nut.
2. Fixed electrical equipment: transformers, power distribution cabinet bases and iron accessories are connected, such as using bad steel slope bolts to connect and fix, one bolt with one nut and one oblique washer (for the bad steel slope side) and a flat washer.
When the bolted connection is fixed, one bolt is equipped with two flat washers, one spring washer and one nut. When installing, place a flat washer on the side of the bolt head, and place a flat washer and a spring washer on the side of the nut, in which the spring washer rests on the nut. Knife switches, drop-out circuit breakers, high-voltage arresters and iron accessories should be connected with the mounting bolts given by the equipment manufacturer under normal circumstances.
3. Fixed iron accessories: when the connecting bolt holes of iron accessories are round holes, one bolt is equipped with one nut and two flat washers; when the connecting bolt holes of iron accessories are long holes, one bolt is equipped with one nut and two For square washers, place a flat washer (square washer) on the head side of the bolt and on the side of the nut during installation.
The company covers an area of 8,000 square meters, a building area of more than 5,000 square meters, and more than 100 employees. It has invested a lot of money to introduce technology, equipment transformation, workshop expansion and factory environment construction. The cross recessed screws company has more than 100 cold rutting machines and dozens of ancillary equipment, with a monthly output of 800-1000 tons and an annual output of about 10,000 tons. The company specializes in the production of various screws and bolts, among which DIN603, 84, 85, 7985, DIN 933, 931, 963, 965, 966, etc. are the main products. The company's products are mainly sold to EU countries, and now it has also developed the Middle East, North and South America and some African countries.
