Catalogue / Tower parts, bolts & nuts
Spring washers and plate washers, Eco seriesSample
by Konark Line Hardware (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Eco range of spring washers and plate washers by Konark covers 5 bolt size options (M12 to M30). Highlights: interchangeable with tower design, material test reports provided and uniform hot-dip galvanising. Used by railway masts, transmission towers and substation structures. Designed and tested to IS 12427, IS 1363 and IS 6639. Lead time 2-4 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Konark
- Model
- KON-035 series
- Listing type
- Product
- Unit
- MT
- Minimum order
- 2 MT
- Lead time
- 2-4 weeks
- Warranty
- 12 months
- Standards
- IS 12427, IS 1363, IS 6639
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Wooden crate, seaworthy
- Delivery terms
- FOR site, freight included
- Returns
- Returns within 15 days if unused, in original packing
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Bolt sizeM12KON-035-01 | Bolt size: M12 | 2 MT · 2-4 weeks | for verified buyers |
| Bolt sizeM16KON-035-02 | Bolt size: M16 | 2 MT · 2-4 weeks | for verified buyers |
| Bolt sizeM20KON-035-03 | Bolt size: M20 | 2 MT · 2-4 weeks | for verified buyers |
| Bolt sizeM24KON-035-04 | Bolt size: M24 | 2 MT · 5-6 weeks | for verified buyers |
| Bolt sizeM30KON-035-05 | Bolt size: M30 | 2 MT · 5-6 weeks | for verified buyers |
Specifications
| Bolt size | M12 to M30 (see variants) |
|---|---|
| Strength class | 5.6made to order: 8.8 |
| Material | High tensile steel |
| Galvanising | Hot-dip, 75 micron |
| Thread | Metric coarse |
| Length | 75 mm |
| Nut grade | Grade 5 |
| Head type | Hexagon |
| Washer | Spring + plate |
| Locking | Spring washermade to order: Double nut |
| Packing | Plastic bags in wooden box |
| Testing | Proof load + hardness |
| Mass per 1000 pieces | Per IS data |