Catalogue values for Tower Bolts (Non-Ferrous Metals) V2 as per IS 204
| Category | Specification | Bid Requirement (Allowed Values) |
|---|---|---|
| Generic | Governing Specification | As per IS 204 |
| BIS Marked | Yes | |
| Type of tower bolts as per Cl 3.1 of IS 204 | Barrel Tower Bolts | |
| Sub-type of tower bolts as per Cl 3.1 of IS 204 | Brass Barrel Tower Bolts (Type - 1A) | |
| MATERIAL | Material of Aluminium alloy tubes as per Table 3 of IS 204( Part 2) | designation 63400 WP or 63400 P of IS 1285 |
| Material of Aluminium alloy extruded rods as per Table 3 of IS 204( Part 2) | Designation 65032 WP of IS 733 | |
| Brass sheets as per Table 3 of IS 204( Part 2) | Alloy designation CuZn 40 Condition HD of IS 410 | |
| Cast brass as per Table 3 of IS 204( Part 2) | Grade CB.2 of IS 292 | |
| Extruded brass as per Table 3 of IS 204( Part 2) | Type II Half hard condition of IS 319 | |
| Zinc base alloy die casting as per Table 3 of IS 204 (Part 2) | Alloy Zn A14 Die casting of IS 742 | |
| Constructional | Fixing of knob with Bolt as per Cl 5.1.1 of IS 204(Part 2) | Screwed |
| Barrel tower bolts should comply as per Cl 5.2.1 of IS 204 (Part 2) (choose NA for skeleton tower bolts) | Yes | |
| Skeleton tower bolts should comply as per Cl 5.2.2 of IS 204 (Part 2) (choose NA for Barrel tower bolts) | Yes | |
| DIMENSIONS | Length of Bolt/Barrel of Barrel Tower bolts as per Table 1 of IS 204 (Part 2) (mm) | 150 |
| Diameter of Barrel and Skeleton Tower bolts (mm) | 10.0 | |
| Width of Barrel Tower bolts (mm) | 32 | |
| Minimum No. of equally spaced screw holes in barrel and sockets for wood screw for Barrel tower bolts | 6 | |
| Length of socket as per Table 1 of IS 204 (Part 2) | 25 | |
| Thickness of Brass or Zinc Alloy Metal of Barrel as per Table 1 of IS 204 (Part2) | 1.5 | |
| Thickness of Aluminium Alloy Metal of Barrel as per Table 1 of IS 204 (Part2) | 1.6 | |
| Thickness of Sheet brass Metal of Barrel as per Table 1 of IS 204 (Part2) | 1-1.25 | |
| Length of Bolt/Barrel of Skeleton tower bolts as per Table 2 of IS 204 (Part 2) (mm) | NA | |
| Width of Bolt plate or staple of Skeleton tower bolts (mm) | NA | |
| Minimum No. of screw holes for wood screw no. 4 in Skeleton tower bolts | NA | |
| Length of Staple in Skeleton tower bolts as per Table 2 of IS 204 (Part 2) | NA | |
| Thickness of Brass Plate or socket in Skeleton tower bolts as per Table 2 of IS 204 (Part2) | NA | |
| Thickness of Aluminium Alloy or Zinc alloy Plate or Socket of Skeleton tower bolts as per Table 2 of IS 204 (Part2) | NA | |
| No of Staples in Skeleton tower bolts as per Table 2 of IS 204 (Part 2) | NA | |
| Marking and Packing | Packing of Barrel tower bolt shall be as per IS 8.1 of IS 204 (Part 2) (Choose NA for Skeleton tower bolts) | Yes |
| Packing of Skeleton tower bolt shall be as per IS 8.2 of IS 204 (Part 2) (Choose NA for Barrel tower bolt) | Yes | |
| TEST REPORT | Avaibility of Test Report from the list of approved laboratory for Tower Bolts (Non-Ferrous Metals) as per IS: 204, latest | Yes |
| Test reports to be furnished to buyer on demand | Yes | |
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