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Collar Bolt
Description
Collars bolts are utilized for removable pack heat exchangers, to holding the group set up, if by some stroke of good luck the channel should be taken out. Roughly 25%, with at least four, of the rib studs, will be Collar Bolts, to keep the group set up. All Collar Bolts will have a square expansion past the strings for utilization of a wrench to forestall turning of the fastener when the nuts are fixed or taken out.
Technical Details
Specifications and standards
| Product Range | Standards | Material | Property Type | Threads | Grade | Mechanical properties |
|---|---|---|---|---|---|---|
| 4 MM to 16 MM | DIN 6923, DIN6926, ANSI B18.2.4.4M, ISO416, JIS B1190, EU 1661, BN 30312 | High Tensile | — | Metric, BSW, BSF, UNC, UNF, and as per customers requirement. | SAE 10B21, SAE 15B25 | ISO 898-2, Din 267-11, Din 267-18, Din 267-23, A563 - 07a |
| Mild Steel | — | SAE1008 / SAE1010 / SAE 1018 | ||||
| Stainless Steel | — | SS202, SS304, SS316, SS316L | ||||
| Brass | — | CUZN 40 / CUZN 37 | ||||
| Copper | — | C 11000 | ||||
| Phosphorus Bronze | — | CUSN 4, CUSN 5 | ||||
| Silicon Bronze | — | CDA65100 |