MroMax Knurled Thumb Nuts M4 Round Knobs with Zinc Plating Straight flower Silver Tone 30pcs

✅【DIMENSION】- Threaded Size: M4 x 0.7; Thread pitch : 0.7mm/0.03 "; Large end diameter: 12mm/0.47 "; Small end diameter: 8mm/0.31 "; Total thickness : 8mm/0.31 "
✅【MATERIAL】- These Thumb Nuts made of good quality iron, zinc plated finished, rustproof and durable to use.
✅【ADVANTAGE】- To open and close the air box cover without tools.This facilitates tightening by hand, commonly used in electronics applications.
✅【Feature】- Common on 3d printer beds, machine tools, cabinets, tool boxes, and great for maker projects and things that need adjusted quickly. Works with bolts, studs and screws.
✅【PACKAGE CONTENT】- 30 x M4 Knurled Nuts

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