1/4"-20 X 3/8" Machine Screws | Indented Hex with Serrations Head | Slotted Drive | Steel Zinc Plated (4000/Pkg.)

Designed for dependable performance in metal assemblies, these machine screws feature a slotted indented hex washer head with serrations and a zinc plating finish for lasting corrosion resistance. The 1/4-20 thread size matches common hardware standards, while the compact 3/8 inch length delivers a strong, secure clamp without protruding beyond the joint.

• Head type: Slotted Indented Hex Washer with serrations
• Drive style: Slotted
• Thread: 1/4-20 UNC
• Length: 3/8 inch
• Finish: Zinc Plated
• Material: Steel
• Benefits: Serrated washer underside provides improved grip and helps resist loosening under vibration

Whether you’re assembling electronics housings, machinery components, or appliances, these machine screws deliver reliable fastening in tight spaces. The zinc finish offers enhanced corrosion resistance for longer service life in normal to mildly corrosive environments. Pair them with corresponding nuts or tapped holes to achieve precise, durable assemblies.

Equip your toolbox with these versatile fasteners to simplify assembly projects and ensure secure, vibration-resistant connections across a wide range of applications.