100 PCS Thumb Screws Mount Knurled Thumbscrews with Carbon Steel Thread Mechanical Door Fastening

Usage Tips: First, Hand-Tighten The Screw To Ensure It Is Straight; After Fully Tightening, Press Down On Both Sides Simultaneously Until The Connection Is Secure And All Parts Fit Tightly TogetherColour:black Material:Metal 100pcsNote: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

• Wide-Blade Design: The Extended Blade Design Provides Ample Gripping Area, Allowing You To Apply Sufficient Torque By Hand For A Secure Tightening
• Firmly Holds In Threaded Holes: This Screw Features A Standard Machine Thread That Meshes Perfectly With Pre-Tapped Holes In Metal, Wood, Or Plastic Parts, Creating A Strong Mechanical Connection
• Low-Profile, Rounded Head Design For Safe, Snag-Free Operation: The Smooth Blade Profile Conforms Snugly To The Work Surface After Tightening, Minimizing Any Protrusions That Could Snag Clothing Or Equipment
• Rugged Metal Construction: Constructed From A Robust Metal Alloy, This Screw Possesses The Necessary Structural Integrity To Firmly Clamp Parts Even Under Normal Hand Pressure Without Stripping Or Bending
• Versatile Applications: Ideal For Applications Requiring Quick, Tool-Free Operation, Such As Securing Equipment Covers, Clamps, Fixtures, Or Housings That Require Periodic Adjustments