Hex flange head or Countersunk Head
Hex Socket Head
Thread Forming Screw
Carbon Steel Surface Hardend 500-600Hv
Galvanized or Dacromet Coated
Material Grade A and B
Size M3-M10 full threaded
Other standard specifications available!



Bolt Head | Hex | Round | Mushroom | TÂ | Square | OVAL | CSK |
Material | Carbon Steel | Stainless Steel | Alloy Steel | Brass | Copper | Bronze | Aluminium |
Grade/Metric | 4.8 | 6.8 | 8.8 | 10.9 | 12.9 | Â | Â |
Grade/ANSI | A307-A | A307-B | A307-C | J429 Gr 2 | J429 Gr 5 | J429 Gr 8 | J429 Gr8.2 |
Standards | DIN | ISO | GB | ANSI | JIS | BS | UNI |
Threads | UNC | UNF | 2A | 3A | T threads | Left Thread | ISO |
Steel Grade | C1035 | C1045 | C1020 | C1010 | Q235 | A3 | Q195 |
Surface | Plain | Black | Zinc | YZP | Dacromet | Ruspert | Nickle |
 DIN7500D/E Thread Rolling Tap Tite Screws
Hex flange head or Countersunk Head
Hex Socket Head
Thread Forming Screw
Carbon Steel Surface Hardend 500-600Hv
Galvanized or Dacromet Coated
Material Grade A and B
Size M3-M10 full threaded
Other standard specifications available!



Bolt Head | Hex | Round | Mushroom | TÂ | Square | OVAL | CSK |
Material | Carbon Steel | Stainless Steel | Alloy Steel | Brass | Copper | Bronze | Aluminium |
Grade/Metric | 4.8 | 6.8 | 8.8 | 10.9 | 12.9 | Â | Â |
Grade/ANSI | A307-A | A307-B | A307-C | J429 Gr 2 | J429 Gr 5 | J429 Gr 8 | J429 Gr8.2 |
Standards | DIN | ISO | GB | ANSI | JIS | BS | UNI |
Threads | UNC | UNF | 2A | 3A | T threads | Left Thread | ISO |
Steel Grade | C1035 | C1045 | C1020 | C1010 | Q235 | A3 | Q195 |
Surface | Plain | Black | Zinc | YZP | Dacromet | Ruspert | Nickle |
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At this time of Chair hardware should be flat or flip open, chair hardwares include shaft to open chairs or hinge and the chairs shut device such as pin.In order to improve the chairs the wind strength, it is widely used outside the chairs. But hinge must be exposed outside the chairs, the wind and rain erosion resistance of hinge became a problem. Now some of the more than one hundred old buildings in Europe, you can also see 10 times larger than present ordinary hinge of metal hinge, the hinge on the style and ancient European construction is harmonious.Outside the chair hardware of the another question is to prevent the casement of open type in free violently movement under the action of wind, so have the so-called limiter, the limiter in many ways are prone to failure parts.
Chair Hardware,Aluminum Die Casting Chair Hardware,Chair Hardware Parts,Chair Accessories Hardware
NINGBO ZHENHAI BOLANG METAL PRODUCT FACTORY , https://www.aldiecastings.com