Best quality Stainless Steel Bolts - Roofing Bolt with Square Nut – Zonolezer Detail:
Standard: French standard nfe25129, OEM, customized
Grade: A307 GRA or 4.8
Material: carbon steel.
Sizes: From 1/4″ to 3/8″, from 6mm to 10mm.
Surface: Most Galvanized
Packing: carton with plywood pallet
Supply Ability: 100 tons per month
Roof bolts are also known as large flat head eleven slot machine screws. Because the head is shaped like a roof, it is also called a roof bolt. The standard used is generally the French standard nfe25129, which is mainly used in the wood structure and building decoration industries. Usually used with hex nuts and square nuts.
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By Joa from Jeddah - 2017.12.02 14:11
In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
By Lillian from United States - 2017.02.28 14:19
