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Galvanized blackened hexagon socket bolts

Our company can provide 300 tons of goods per month, the delivery time follows your quantity to decide in 7-30 days, the MOQ is 200 pieces, and T/T payment is acceptable

    Hexagon bolts are common fasteners, but they are very particular about the understanding and purchase of specifications, and the following will introduce the specifications of hexagon bolts.

    Hexagon socket bolt specifications

    The determination of the specifications of hexagon bolts has the following aspects:

    1. The mouth of the inner hexagon is allowed to be rounded or countersunk.

    2. The end chamfer d<=M4 is the rolling end.

    3. The length of the incomplete thread U<=2P.

    4. The top edge of the head can be round or chamfered, which is optional by the manufacturer.

    5. The bottom edge can be round or chamfered to Dw, but there must be no burrs.

    6. The standards for hexagon bolts are: GB/T2672, GB/T2673, GB/T2674, GB/T6190 and GB/T6191, etc.

    Allen socket bolt specification of the imperial system

    The specifications of hexagon socket bolts can be sorted by the imperial system, which is based on inches and 8 parts of 1 inch as the basis, which is called 1 cent. For example, 1/8, 1/4, 1/2, etc., is called 1 point 2 points, 4 points screw. In addition to 1/8 inch as the base, 1/16 as the base screw can also be bought in the spot market, for example, 3/16 is called a split half screw.

    The imperial system is sorted from small to large, while both metric and imperial screws are measured by the diameter of the screw, but the imperial screws are more screw-toothed. The toothiness of the screw is calculated by the total number of teeth per inch of length, and the larger the screw diameter, the fewer the teeth. In addition, the tooth degree of inch screws is subdivided into two types: coarse teeth and fine teeth.

    Both imperial and metric screws are expressed in terms of screw diameter and length, and 1 inch equals about 25.2 mm. Because the cardinal numbers of imperial and metric screws are different, they can be expressed in writing, but they are not interchangeable in practical application.

    To sum up, understanding the hexagon bolt specifications and hexagon bolt specification table is very helpful for us to understand and purchase hexagon bolts. Only by mastering the specifications and classification, we can better choose and use hexagon socket bolts to achieve better results.

    Detailed Diagram

    Detailed Diagram6yz