Zhejiang Zhenglian Industrial Development Corp. is a professional Standard Fasteners manufacturer and exporter in China. We are specializing in Standard Fasteners. 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.
Features Specifications: DIN557 square nuts
1) Materials: carbon steel, stainless steel, copper
2) Size: M3-M48
3) Surface treatment: zinc plating, nickel plating
4) Standard: DIN, ANSI, JIS,ISO,GB
Features:
(1)Material: SUS304, SUS316 stainless steel
(2)Standard: DIN934, DIN985; ANSI B18.2.2
(3)Widely used in automobiles, the chemical industry, electrical power, construction and various machinery
(1)Standard: GB NUT,ISO,DIN, ANSI/ASME and non-standard products.
(2)Products: Din315 Wing Nut,ISO Wing Nut,6mm wing nut
(3) Thread :UNC,UNF,UN
(1)Standard: ISO,DIN, ANSI/ASME, GB NUT and non-standard products.
(2)Products: Din315 Wing Nut,ISO Wing Nut,6mm wing nut
(3) Thread :UNC,UNF,UN
Features Specifications: DIN6921 hex flange bolt
DIN6921 flange hex bolt Grade 4.8/Grade 6.8/Grade8.8/Grade10.9
(1)Material: 304, 304L, 316, 316L stainless steel
(2)DIN931 bolts and DIN933 bolts
(3)ANSI/ASME B18.2.1 hex head bolt
Features Specifications: DIN603 CARRIAGE BOLT
PRODUCT: MUSHROOM HEAD SQUARE NECK BOLT
SIZE:M5-M18
LENGTH:8-200MM
MATERIAL: CARBON STEEL, STAINLESS STEEL
PACKAGE: 20-25KGS/CARTON, 36 CTNS PER PALLET
Features Specifications: DIN 558 (hex bolt)
1. Standard: DIN933
2. Material: mild steel
3. Size: M5X10 to M39X400
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.
(1) Standard: DIN, ANSI/ASME,ISO, GB Washer and non-standard products.
(2) Products: beveled washers,plain washers, spring lock washers, non-standard washers
Eye Bolt Features:
Different kinds available, we can process according to customers' drawings and samples.
all parts to meet clients' designs and packaging requirements.
(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)Standards: ISO,DIN, ANSI /ASME,GB Bolt/Screw and non-standard products
(2)Products: Drywall Screws and non-standard products
(3) Thread: UNC,UNF,UN
Lag Screws Features:
(1)Specifications: DIN571, ASME B18.2.1
(2)DIN: CLASS4.8; ANSI: A307
(3)Surface: natural color, zinc, hot dip galvanized
Eye Bolt Features:
Different kinds available, we can process according to customers' drawings and samples.
all parts to meet clients' designs and packaging requirements.
(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)Standards: ISO,DIN, ANSI /ASME,GB Bolt/Screw and non-standard products
(2)Products: Drywall Screws and non-standard products
(3) Thread: UNC,UNF,UN
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: DIN975; ASTM A193
,ASTM A320
(2)Material:L7,B7,B8,B16,4140,CARTON STEEL,STAINLESS STEEL,ALLOY STEEL
(3)Surface:Natural color, Zinc, Hot Dip Galvanized
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