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DIN6921
Weifeng/Oem
DIN6921
Combo (Phillips/Slotted) Hex Head Flange Bolt
Flange bolts dismiss the need for washers as the area under the bolt head is wider. It creates a bigger area for equal distribution of pressure. They have a large area below the head to give a uniform design for securing pressure. The wide space also doubles up as a washer which eliminates the need for additional spare parts in the bolt.
The flange bolt should be long enough to allow at least two full threads to extend beyond the nut face after tightening, which ensures full thread engagement with the nut. Conversely, there should be two full threads exposed on the head side of the nut to make sure the nut can be properly tightened. More exposed threads within the grip (the area between the head and nut) will result in a "springier" bolt. It is also recommended that threads not be in the shear plane(s).
These are used in automobiles and two-wheelers along with wrenched decorative heads, thereby enhancing the look. Our range of Flange bolts finds its applications in several industries like power, steel, cement, food and beverage, automobile and chemical.
Standards | Sizes |
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ASME B18.2.1 Hex Flange Bolts | 3/8 inch to 3 inch |
BS 1769 Hex Flange Bolts | ½ inch to 2 inch |
ASME B18.2.3.6M Hex Flange Bolts | M12 to M36 |
ASME B18.2.3.7M Hex Flange Bolts | M16 to M36 |
DIN 6914 Hex Flange Bolts | M12 to M36 |
ISO 7412 Hex Flange Bolts | M12 to M36 |
UNI 5712 Hex Flange Bolts | M12 to M36 |
DIN-EN 14399-4 Hex Flange Bolts | M12 to M36 |