5 Piece Chainsaw Bar Nut Replacement Kit Sprocket Cover Nut Fits MS170 MS170C MS171 MS180 MS181 M And Other Compatible Chainsaws One Quarter Inch Inside Diameter Three Quarter Inch Outside Diameter

Five-Piece Bar Nut Replacement Kit for MS-Series Chainsaws
✔️ ID 6.35 mm; OD 19.05 mm; 5 pcs in pack for quick swap

This bar nut kit is designed to replace worn or damaged nuts in the bar assembly of MS-series chainsaws. It's a handy upgrade for on-site maintenance and keeps your bar aligned for safe, predictable cutting performance.

✅ 5-piece bar nut replacement set; fits MS-series chainsaws (MS170, MS180, MS210, MS660) and others
✅ Inside diameter 6.35 mm (1/4 in); outside diameter 19.05 mm (3/4 in)
✅ Silver finish resists corrosion and pairs with standard bar hardware
✅ Tested to meet OEM-style performance standards for reliability
✅ Pack size clearly stated; ready for quick bar nut replacement

💡 What is a bar nut replacement kit used for in chainsaws?

- Keeps the bar secure and aligned after wear or damage - Handy for quick on-site maintenance to reduce downtime - Works with MS-series chainsaws and similar models - Helps maintain safe, consistent cutting performance