Blulu 100 Pcs 1 /4 inch-20 x 1-1 /2 inch Hurricane Shutter Fasteners, 304 Stainless Steel Sidewalk Bolts, Truss Head Machine Screws for Exterior Window Panels and Doors Hardware Sliver

Features

• 100-Piece Bulk Pack: each package contains 100 pieces of heavy-duty shutter fasteners, providing ample hardware for comprehensive property protection; An ideal choice for contractors, property managers, and extensive home defense projects
• Marine-grade 304 Stainless Steel: constructed from 304 stainless steel, these sidewalk bolts are highly resistant to rust and corrosion; Suitable for exterior applications, ensuring your storefronts and window panels remain securely fastened during harsh weather
• Precision Threads No Stripping: engineered with fully tapped, clean threads free of metal shavings for smooth installation; The deep recess design prevents the screw head from stripping; For optimal speed and torque, we highly recommend using a 3 phillips drill bit
• Low-profile Truss Head: features a broad, low-profile head (approx. 0.62" diameter) that provides pressure distribution; This design is ideal for shallow counterbores, delivering a clean, flush finish that won't snag or protrude dangerously; Reminder: clean thread debris first; Tighten vertically with quality tool, avoid over-tightening
• Exact 1/4"-20 x 1-1/2" Sizing Fit: strict quality control ensures exact 1/4-20 threading and a 1-1/2" length; These machine screws provide a tight, vibration-resistant grip when securing heavy-duty hurricane tracking, sliding glass doors, or outdoor siding