Products Description
Size: M6-M8
Material: Q235 Mild Steel, Stainless steel (201 304)
Standard: GB, DIN, BS, ASTM
Applicable base material: concrete, brick, stone;
Application: steel structure, doors and windows, bracket, handrail, escalator, fence;
Features: The bolt head is designed with cross countersunk head, which makes it more suitable for the installation of doors and Windows. The bolts will not be exposed after fixation.
Grade 4.8 countersunk head expansion bolts are perfect for steel structures, doors and windows, brackets, handrails, escalators, and fences. These bolts feature a cross sinking design on the head, which makes them particularly well-suited for installing doors and windows. Once installed, there is no risk of the bolt protruding outwards. When it comes to securing important structures like steel frames or handrails, it's crucial that the bolts used are reliable and of the highest quality. Grade 4.8 countersunk head expansion bolts are made to meet these exacting standards. Not only do these bolts provide excellent performance and reliability, but their cross sinking design makes them ideal for use in doors and windows. Instead of protruding outward once installed, the bolt is sunk into the structure to provide a secure and smooth fit.
FAQ
How does your factory ensure quality?
We have a strict quality inspection department that will inspect every step of the production process from the selection of raw materials to the salt spray test after surface treatment. Strict quality inspection department and perfect quality inspection process and standards ensure the high quality of products.
Which port does your factory frequently ship to?
Our factory generally transports to Tianjin Xingang Port, and can also transport to Qingdao Port or other ports and customs ports according to customer requirements.
What currency does your factory generally use for payment?
USD, CNY.
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