4 孔螺栓 緊固件

材質：不銹鋼/碳鋼（材質可選）

評分：A2-70/A4-80/4.8/8.8/10.9

Description:4-hole Bolts Fastener are available in a variety of materials, including stainless steel, aluminum, and brass. All stainless steel parts can be applied with chemical blackening conversion coating and nylon thread locking patch, and non-standard materials can also be selected according to customer requirements.