Straight Punching Ejector Pin 65Mn Round Tip for Plastic Injection Molding 18 Pieces 3.3mm Diameter 80mm Length Hardened Alloy Steel Precision Ground Surface Durable Workhorse for High Stress Molds

Durable 65Mn Ejector Pins for Plastic Molds, 18-pc, 80mm
✔️ 18 pcs, 3.3mm dia, 80mm length, hardened alloy steel

These straight punching ejector pins are hardened alloy steel tools used in plastic injection molding and mold maintenance to reliably eject parts while protecting precision molds and finished surfaces from scratches.

✅ Material and hardness: hardened alloy steel with high wear resistance
✅ Surface finish: nitrided, precision-ground to protect mold surfaces
✅ Size options: diameters 3.1-3.4 mm; lengths 80-200 mm (multiple options)
✅ Applications: ideal for mold maintenance, part ejection, and high-stress molding environments

💡 What is an ejector pin used for in plastic injection molding? This handy component helps release molded parts and protects mold surfaces during ejection.
- It provides consistent ejection force to avoid part distortion
- It reduces wear on molds and keeps finished parts scratch-free
- It is designed to withstand high temperatures and repeated cycles in production