Zhejiang Zhenglian Industrial Development Corp. is a professional Bolt And Screw manufacturer and exporter in China. We are specializing in Bolt And Screw. These products are been delivered to Europe, United States, Asia, the Middle East, Russia, Africa etc. countries. We are expanding more cooperation partners all over the world.
Lag Screws Features:
(1)Specifications: DIN571, ASME B18.2.1
(2)DIN: CLASS4.8; ANSI: A307
(3)Surface: natural color, zinc, hot dip galvanized
Flange Bolts Features:
(1)Standards: DIN 6921, IFI-115
(2) Thread: UNC,UNF,UN
(3) Grade: DIN:GR4.8,8.8,10.9,12.9; SAE: GR.2, GR.5, GR.8 ;ASTM:A307;
(1)Standards: ISO,DIN, ANSI /ASME,GB Bolt/Screw and non-standard products
(2) Thread: UNC,UNF,UN
(3) Grade: DIN:GR4.8,8.8,10.9,12.9; SAE: GR.2, GR.5, GR.8 ;ASTM:A307;
(1)Specifications: DIN963; ASME18.6.3
(2)Surface: natural color, zinc, hot dip galvanized
(3) Thread: UNC,UNF,UN
(1)Material: 304, 304L, 316, 316L stainless steel
(2)DIN931 bolts and DIN933 bolts
(3)ANSI/ASME B18.2.1 hex head bolt
Hex bolts (six sided heads) are the industry standard for fasteners with forged heads. ASTM A307 grade A bolts, all SAE hex bolts, and several other common specifications require a standard (finished) hex head.
HEX HEAD BOLTS/HEX SCREWS are a very common bolt when it comes to construction or repair. They come in a large variety of sizes and diameters. The best way to choose a hex bolt or hex screw is to choose which material the bolt is made from to best suit your needs.
Features:
HEX HEAD BOLTS/HEX SCREWS are a very common bolt when it comes to construction or repair. They come in a large variety of sizes and diameters. The best way to choose a hex bolt or hex screw is to choose which material the bolt is made from to best suit your needs.
Thumb Screw Features:
(1)Standard: IFI-156 and non-standard products
(2)ANSI: A307,SAE Gr.2,5,8
(3)Surface: natural color, zinc, hot dip galvanized
(4)Material: low carbon steel,alloy steel,stainless steel
(5)packing:20-25KG/CTNS,36CTNS/PALLET.
Wood Screw Features:
(1)Standards: DIN571; ASME 18.6.1
(2)DIN: CLASS4.8,8.8,10.9,12.9; ANSI: A307,SAE Gr.2,5,8..........
(1)Specifications: DIN7971/7972/7973/7981/7982/7983; ISO1481/1482/1483/7049/7050/7051;ASME18.6.4
(2)DIN: CLASS4.8,8.8,10.9,12.9; ANSI: A307,SAE Gr.2,5,8
(3)Surface: natural color, zinc, hot dip galvanized, phosphate
(1)Standards: DIN, IFI and as drawing.
(2)DIN: CLASS4.8,8.8,10.9,12.9; ANSI: A307, GR.2, GR.5, GR.8
(3)Surface: natural color, zinc, hot dip galvanized
(1)Standards: DIN913, DIN914, DIN915, DIN916, ASME B18.3
(2)DIN:CLASS10.9,12.9;ANSI:GR.8
(3)Surface: natural color, zinc, hot dip galvanized
(1)Standards: DIN577, 562,436; ASME B18.2.2
(2) Thread :UNC,UNF,UN
(3) Grade: DIN: GR.4, 6, 8, 10; SAE: GR.2, GR.5, GR.8, ASTM: A563, A194..
(1)Standard: DIN, ANSI/ASME, non-standard
(2)DIN: CLASS4, 6, 8, 10; ANSI: A307, GR.5, GR.8
(3)Finish: zinc plated, nickel plated, hot dipped galvanized, black
(1)Standards: ISO,DIN, ANSI /ASME,GB Bolt/Screw and non-standard products
(2)Products: hex bolts, heavy hex bolts/screws, hex cap screws, hex flange screws,
Round head bolts, round head square neck bolts, slotted counter sunk bolts, plow bolts,Eyebolts, socket bolts, tapping screws, machine screws, wood screws, and non-standard products
(1)Standard: IFI-156 and non-standard products
(2)ANSI: A307,SAE Gr.2,5,8
(3)Surface: natural color, zinc, hot dip galvanized
Wood Screw Features:
(1)Standards: DIN571; ASME 18.6.1
(2)DIN: CLASS4.8,8.8,10.9,12.9; ANSI: A307,SAE Gr.2,5,8