Chain — Bolt Nut 20mm HSD Komatsu CAT Hitachi Excavator Dozer
Track Chain Nut & Bolt Set — 20mm HSD (High Strength Drilled) — for excavator and dozer undercarriage track chain.
Compatible Models
- Komatsu PC200
- PC300
- PC400
- D65
- D85
- Caterpillar 320
- 325
- 330
- D6
- D7
- Hitachi ZX200
- ZX330
Always verify fitment with your serial number before ordering.
What It Is
The hardened bolt and nut set that connects each track shoe to the track chain link on crawler excavators and dozers. The 20mm HSD designation indicates M20 diameter, high-strength (Grade 10.9) with drilled hole for lock wire on premium applications. One of our highest-volume undercarriage items — 400+ units sold.
Why Parts Trading Company
Undercarriage track hardware is our highest-volume excavator consumable category. We supply in bulk packs (100-set, 200-set) to undercarriage rebuilders and OEM service workshops. Mumbai stock.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
Frequently Asked Questions — Track Chain
Is Track Chain in stock?
Yes — Chain is stocked in Mumbai and available for same-day dispatch before 3 PM IST. WhatsApp +91-98210-37990 for live availability and pricing.
Which models does Chain fit?
This part is compatible with Komatsu PC200 | PC300 | PC400. Always confirm fitment using your chassis or serial number. Our technical team verifies compatibility before dispatch.
Do you export Track Spare Parts parts?
Yes — Parts Trading Company ships worldwide from Mumbai. Export destinations include UAE, Saudi Arabia, Kenya, Nigeria, South Africa, Bangladesh, Malaysia, and Qatar. Commercial invoice, packing list, and certificate of origin provided.