Tungsten Carbide 4-Flute Flat End Mill CNC Tools Cutter with Coating End Mill Spiral CNC Cutting End Mill for Metal

For in-stock items, we ship within 1-2 working days. Delivery time depends on your location: 2-3 days for domestic first-tier cities, 5-7 days for remote areas. For customized tools (e.g., non-standard carbide cutters), production takes 7-10 working days plus shipping time. We'll share a tracking number once shipped.

Yes, but please note: 1. Tools must be unused (no scratches on the cutting edge, original packaging intact); 2. Submit a return/exchange request within 7 days of receiving the goods; 3. You'll cover the return shipping cost, and we'll send the correct tools once we receive the returned items. Customized tools (e.g., special-size holders) are non-returnable unless there's a quality defect.

Absolutely! For bulk purchases: 1. 5-10% discount for orders of 100-500 pieces (inserts) or 50-100 pieces (holders); 2. 10-15% discount for orders over 500 pieces (inserts) or 100 pieces (holders); 3. Long-term cooperation customers get additional annual rebates. Contact our sales team for a personalized quote.

Please take photos/videos of the defective tool and the machining scene, then send them to our after-sales team within 3 days of use. We'll inspect the issue: 1. If it's a manufacturing defect, we'll send a replacement for free and cover the shipping cost; 2. If it's due to improper use (e.g., wrong cutting parameters), we'll provide technical guidance to avoid future issues.

The warranty varies by product type: 1. 3 months for CNC inserts (covers manufacturing defects, not wear from normal use); 2. 6 months for carbide end mills and tool holders (covers cracks or deformation not caused by misuse); 3. 12 months for high-precision hydraulic holders. Keep your order invoice as proof of warranty.