I’ve spent years perfecting our slotted round screw line for bulk production and assembly lines. This screw features a smooth, flush head and a precise slot that resists cam-out during high-torque tasks. Made from high-grade alloy, it stands up to vibration and exposure in wet or dusty environments. We offer multiple finishes and sizes to fit your equipment, from small electronics assemblies to heavy machinery. If you’re stocking for a factory floor, I can bundle volume packs and ensure quick deliveries. We also provide clear technical datasheets and milling tolerances so your procurement team can compare easily. For new builds or replacements, ask me about Discount terms and Quotes for ongoing projects; I’ll tailor pricing to MOQ and lead times. Our commitment is reliable supply, consistent quality, and flexible terms that help your production stay on schedule.
By 2025, the slotted round screw remains a reliable choice for compact electronics, devices, and light automotive assemblies. The round head offers a neat, flush appearance, while the slotted drive supports simple manual use and seamless automation feeding. Available in stainless steel, carbon steel with zinc or nickel plating, and various coatings, these fasteners deliver corrosion resistance, predictable torque, and tight dimensional accuracy. Standard thread forms and tight tolerances ensure interchangeability and minimize line downtime. Global buyers can streamline sourcing by demanding traceable batch codes, RoHS and REACH compliance, and ISO 9001 quality systems. Custom options include length, diameter, head height, slot width, and plating thickness, plus packaging optimized for automation. Request samples for fit and reliability tests and prefer vendors with multi-regional production for resilience and transparent lead times. In 2025, design-for-manufacturability and sustainable practices become decisive advantages in procurement.
| Variant | Diameter (mm) | Length (mm) | Pitch (mm) | Material | Finish | Head Diameter (mm) | Slot Width (mm) | Tensile Strength (MPa) | Typical Applications |
|---|---|---|---|---|---|---|---|---|---|
| M3x8 Round Head Slotted Screw | 3.0 | 8 | 0.50 | Stainless Steel A2 (304) | Satin | 7.0 | 1.20 | 520-700 | Electronics enclosures, electronics mounting |
| M3x12 Round Head Slotted Screw | 3.0 | 12 | 0.50 | Stainless Steel A2 (304) | Satin | 7.0 | 1.20 | 520-700 | PCB mounting, instrument panels |
| M4x8 Round Head Slotted Screw | 4.0 | 8 | 0.70 | Stainless Steel A2 (304) | Satin | 9.0 | 1.50 | 520-700 | Enclosures, lighting fixtures |
| M4x12 Round Head Slotted Screw | 4.0 | 12 | 0.70 | Stainless Steel A2 (304) | Satin | 9.0 | 1.50 | 520-700 | Cabinets, equipment housings |
| M5x8 Round Head Slotted Screw | 5.0 | 8 | 0.80 | Carbon Steel | Bright zinc plating | 10.0 | 1.80 | 700-900 | Wood-to-metal fastenings, cabinetry |
| M5x20 Round Head Slotted Screw | 5.0 | 20 | 0.80 | Alloy Steel | Black oxide | 10.0 | 1.80 | 700-900 | Industrial machinery, assembly lines |
| M6x12 Round Head Slotted Screw | 6.0 | 12 | 1.00 | Stainless Steel A4 (316) | Satin | 12.0 | 2.00 | 900-1100 | Marine environments, outdoor fixtures |
| M6x20 Round Head Slotted Screw | 6.0 | 20 | 1.00 | Stainless Steel A4 (316) | Satin | 12.0 | 2.00 | 900-1100 | Electrical panels, machinery assemblies |
| M8x12 Round Head Slotted Screw | 8.0 | 12 | 1.25 | Stainless Steel A2 (304) | Satin | 14.0 | 2.50 | 520-720 | Heavy-duty electronics, enclosures |
| M8x25 Round Head Slotted Screw | 8.0 | 25 | 1.25 | Carbon Steel | Bright zinc plating | 14.0 | 2.50 | 700-900 | Power equipment, machinery housings |