材质：304、316；等级：4.8、8.8、10.9；表面处理：洗光、蓝白锌、达克罗、机械镀锌、锌镍合金等。 Slotted Cheese Head Machine Screws. Metric Series.

Metric DIN 921 slotted pan head screws with large head have pan style head (cheese head) with a significantly larger diameter than a standard pan /cheese head. The large head screw would typically be used in applications where the extra weight bearing surface under the head is required to allow for more a even distribution of clamping forces.

DIN 921 - Slotted pan head screws with large head Current norm: DIN 921 Equivalent norms: PN 82280;

2025年2月8日 · DIN 921:2014的标准全文信息,开槽大圆盘头螺钉, Slotted pan head screws with large head, Flachkopfschrauben mit Schlitz und grosem Kopf, 提供DIN 921:2014的发布时间、引用、替代关系、发布机构、适用范围等信息，

2011年8月31日 · din 921大头开槽盘头螺钉. 关于国家数字标准馆 《国家标准化发展纲要》提出建设国家数字标准馆，推动标准化工作向数字化、网络化、智能化转型。

材质：304、316；等级：4.8、8.8、10.9；表面处理：洗光、蓝白锌、达克罗、机械镀锌、锌镍合金等。

材質：304、316；等級：4.8、8.8、10.9；表面處理：洗光、藍白鋅、達克羅、機械鍍鋅、鋅鎳合金等。 Slotted cheese head machine screws. Metric series.

a)钢，性能等级d m1.6按协议, 标准din en 10087, din en 10277-3；m1.6≤d≤m10: 4.8, 标准din en iso 898-1 b)不锈钢，性能等级：A1-50，A2-70，标准DIN EN ISO 3506-1 c)有色金属，性能等级: CU2，CU3，标准DIN EN 28839

All meet DIN 921 for dimensional and material standards. For technical drawings and 3-D models, click on a part number. Install these metric pan head screws for a low- profile, finished look— no countersink required. With a chamfered or slightly domed head, they won't catch on clothing or straps as you pass by.

2014年11月1日 · 现行 DIN 921. Slotted pan head screws with large head 大头开槽盘头螺钉 ... DIN ISO 1481. Slotted pan head tapping screws; identical with ISO 1481:1983 开槽盘头自攻螺钉；与ISO 1481:1983相同 1990-08-01. 现行. UNE-EN ISO …