Bulk #8 Flat Head Square Drive Self-Tapping Screws Type A 18-8 Stainless Steel

Monster Overview:

Fix your project right the first time with Bulk #8-15 Flat Head Square Drive Type A Self-Tapping Screws from Monster Bolts. Manufactured from high-quality A2 / 18-8 stainless steel, these fasteners provide excellent corrosion resistance for indoor, outdoor, and general industrial applications.

The flat head (countersunk) design allows the screw to sit flush with the surface, while the square drive (also commonly known as Robertson drive) delivers superior torque transfer and reduced cam-out compared to slotted or Phillips drive styles.

Monster Features:

• Thread Form: Type A self-tapping design for material-displacing thread formation
• Point Style: Sharp gimlet point for self-starting installation
• Drive Style: Square drive (Robertson)
• Material: A2 / 18-8 Stainless Steel
• Corrosion Resistance: Excellent resistance to rust in most environments
• Head Style: Flat head (countersunk)
• Length Options: Available in multiple lengths (select from dropdown)
• Bulk Supply: Ideal for fabrication, assembly, and contractor use

Monster Specifications:

More Monster Bolts:

Monster Bolts offers a complete lineup of bulk self-tapping and thread cutting screws in Type A, Type AB, Type B, Type F, Type 23, and Type 25 configurations, available with slotted, Phillips, square, and combo drive styles in zinc-plated steel, 18-8 stainless steel, and 316 stainless steel.

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