Stainless Steel Large Flat Head Hex Socket Shoulder Screws Ultra Wide Head Allen Step Screws Precision Limit Shoulder Bolts One-Stop Fastener Kitting Service

These CNC machined shoulder screws adopt oversized flat head and internal hex drive. The broad head provides bigger compression area to avoid surface deformation during tightening. Precision smooth shoulder accurately maintains fixed spacing, acts as positioning stop and prevents over-compression. External thread ensures reliable locking. Stainless steel material offers excellent anti-rust performance for long-term use. Suitable for automation fixtures, mechanical assemblies, equipment panels, jigs and structures requiring spacing limitation. Custom size, material and surface treatment are supported. Our one-stop service covers customized labels, specification documents, personalized packaging and component kitting. Strict dimensional inspection ensures high precision, helping buyers streamline procurement management.