4.8 plain full thread bolt
Hexagonal head bolt and screw head (cylinder) with external thread fasteners in two parts, with nut used for fastening the two parts with hole, their performance can be divided into 4.8, 6.8, 8.8, 10.9, 12.9, and so on, more than 10 levels, including a 8.8 and above the bolt is made up of low carbon alloy steel and medium carbon steel and heat treatment (quenching and tempering), known as the high strength bolts, the rest are called ordinary bolts.
|Length||10mm-300mm or as required|
|Surface||Black oxide,zinc plated(white),hot dip galvanized or according to customers’ requirement|
|Usage||Steel structures, multi -floor,high -rise steel structure, buildings, industrial buildings, high -way, railway, steel steam,tower,power station and other structure workshop frames|
|Samples||Samples are free.|
|Delivery time||7-15 days|
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