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Zinc Plated,Longer Carbon Steel Full Thread Mushroom Head Carriage Bolt Grade 6.8 DIN603,M 10 /12 /16
Diameter range (mm)：M5-M24，3/16-1'Length range (mm)：16-600，1''-2'
What are the common bolt specifications? This is something that many small partners pay more attention to, so next.
Square-head bolt: Grade C of square-head bolt refers to the standard parts connected by the top of the head and the screw of the extruder, which need to be applied together with bolts. The grade of square-head bolt is Grade C. Square head bolts are divided into 4.8 bolts, 8.8 bolts, 10.9 bolts and 12.9 bolts according to the high strength level. According to the screw cable material, there are iron bolts and stainless steel plate bolts, stainless steel plate bolts include stainless steel plate SUS304 bolts, stainless steel plate SUS201 bolts, and stainless steel plate SUS316 bolts.
It is widely used in the fields of electronics and electricity, water conservancy and hydropower engineering, electrical products, industrial equipment, chemical machinery and equipment, ships, cars, bridges, steel structures, etc.
Half-round head square neck bolt: the square head neck at the top of the head is placed in the groove of the connected part to reduce the relative height of the highlighted surface, and the screw is tightened from the back. It is often used in areas with low bearing capacity, so the raw materials are relatively soft.
Cross recessed pan head screw: cross recessed machine screw, indicated by the English letter PM. The state stipulates that the thread specification is M1.6-M10, the characteristic grade is 1.8.A-50.A2-70.CU2.CU3, AL4. H and Z cross recessed pan head screws, and the commodity grade is Grade A.
Hexagon socket countersunk head screws: Hexagon socket countersunk head screws are common in instruments and meters, which can ensure both assembly precision and structural compressive strength.
Slotted cylinder head screws: the specifications and models of slotted cylinder head screws are 3 * 8, 3 * 10, 3 * 12, 3 * 16, 3 * 20, 3 * 25, 3 * 30, 3 * 45, 4 * 8, 4 * 10. There are stainless steel plate and iron according to material.
Basic spring washer: the basic spring washer spring washer device is located under the nut to prevent the screw from loosening.
Hexagon bolts: Hexagon bolts are divided into outer hexagon bolts and inner hexagon screws, which are generally used for tightening industrial equipment.
