Round Head Metric Screw M4, 40mm thread length. Pitch: 0.7mm.
* Head diamter: 6.6MM
* Pack Count: 100PK
* Drive type: Phillips.
* Made from carbon steel material.
* You can order matching nut by following this link: https://www.ebay.com/itm/303742238987
* Non-continental customers, please contact us for additional freight to your area.