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Classification | Standard Code | Specification | Length | Property Grade | Surface |
| Hexagon Head Bolt | GB30 | M5-M48 | 6-600 | 4.8 5.6 6.8 8.8 9.8 10.9 12.9 | Plain Black White Zinc Blue Zinc Yellow Zinc HDG |
| GB21 | |||||
| GB5780-5786 | |||||
| ANSI | 2 | ||||
| A-6 | 1/4" - 2" | 3/8" - 25" | 5 | ||
| A-10 | 8 | ||||
| DIN | 4.8 5.6 6.8 8.8 9.8 10.9 12.9 | ||||
| 931 933 | M5-M48 | 6-600 | |||
| 601 558 603 | |||||
| Internal Hex Screw | GB70 | M4-M48 | 6-600 | 4.8 8.8 10.9 | |
| ANSI G-4 | 1/4" - 2" | 5/16" - 25" | 2 5 8 | ||
| DIN912 78984 | M4-M48 | 6-600 | 4.8 8.8 10.9 | ||
| Double End Bolt | GB897 898 900 901 | M4-M56 | 12-1000 | 4.8 8.8 10.9 (Grade-2) | |
| ANSI C-6 | 1/4" - 2" | 1/2" - 40" | |||
| DIN938 939 835 | M4 - M56 | 12 - 1000 | |||
| Others | Standard Bolts Hexagon head bolt, internal hexagonal screw, double end bolt, stud bolt, carriage bolt, U bolt, Eye boltT bolt, adjusting bolt and irregular bolts, full thread stud, half thread screw | ||||
| Classification | Standard Code | Specification | Length | Property Grade | Surface |
| Hex Head Nut | GB51 52 53 54 | M3 - M48 | 5 8 10 | Plain Black White Zinc Blue Zinc Yellow Zinc HDG | |
| GB6170 - 6174 | |||||
| ANSI D - 6 | 1/4" - 2" | 2 5 8 | |||
| DIN 934 555 | M6 - M48 | 5 6 10 | |||
| Others | Standard Nuts Hexagon Head Nut, Hex flange nut, Stopping nut, Hex Slotted nut, stainless steel nut, and other nut | ||||
| Washers | Standard wahser, flat wahser, square wahser, thickness wahser, spring washer | ||||
| Other Fasteners | And other fasteners and special shaped parts used in Expressway guardrail, Steel structure, Construction, Automobile, Farm machinery, Mining fitting and others | ||||
Bolts Hexagon head bolt, internal hexagonal screw,Allen Bolt double end bolt, stud bolt, carriage bolt, U bolt, Eye boltT bolt, adjusting bolt and irregular bolts, full thread stud, half thread screw, foundation bolt,Threaded Bar, Heavy Hex Bolt GB30 GB21 GB70 GB5780-5786 DIN931 933 601 558 603 912 938 939 835 ANSI A-6 A-10 Standard
Nuts Hexagon Head Nut, Hex flange nut, Stopping nut, Hex Slotted nut, stainless steel nut, and other nut GB51 52 53 54 GB6170-6174 ANSI D-6 DIN934 555 Standard
Standard washer, flat washer, square washer, thickness washer, spring washer
And other fasteners and special shaped parts used in Expressway guardrail, Steel structure, Construction, Automobile, Farm machinery, Mining fitting and others
Zinc Plated, Galvanized, HDG,White Zinc, Blue Zinc, Yellow Zinc, Black, Plain and so on
low price fasteners bolt nut and washer