Custom Slotted Round Head Screws | CNC Machined Carbon Steel Bolts with Flat Washer Shoulder

Our custom slotted round head screws are manufactured from high-strength carbon steel, offering excellent durability, precision, and fastening performance. With a slotted drive for easy tightening and removal, and a flat shoulder washer-like base for secure seating, these bolts are widely used in mechanical assemblies, construction hardware, and industrial equipment.

Produced with advanced CNC machining, the screws meet strict tolerance requirements and provide a smooth surface finish. We also offer various surface treatments, such as zinc plating, black oxide, or nickel plating, to enhance corrosion resistance and extend service life.

Key Features:

• Material: Carbon Steel / Alloy Steel (custom materials available)

• Head Type: Slotted round head with integrated shoulder

• Processing: CNC turning, milling, threading, surface treatment

• Tolerance: up to ±0.01mm

• Applications: Machinery, automotive, construction fasteners, equipment assembly, customized engineering solutions

• Services: OEM & ODM customization supported

With over 17 years of machining expertise and ISO9001 certification, we provide reliable fastening solutions tailored to customer requirements.