6-32 x 1 1/2 Combination (Phil/Slot) Full Contour Truss Head Machine Screw Full Thread Zinc 1 1/8-7 N1610 while the medium size is

while the medium size is suitable for a wide range of applications

The coarse thread provides superior holding power in drywall and other soft materials

this bolt boasts a corrosion-resistant black oxide finish and smooth oil coating

The 1/4-20 NTE Thin Pattern Nylon Insert Hex Lock Nut Zinc is a type of nut that is used to secure bolts and screws in place

6-32 x 1 1/2 Combination (Phil/Slot) Full Contour Truss Head Machine Screw Full Thread Zinc 1 1/8-7 N1610 while the medium size is6 32 x 1 1 2 Combination (Phillips Slotted) Full Contour Truss Head Machine Screw, Full Thread, Zinc Plated. This screw is designed for use in a variety of applications, including metal, wood, and plastic. The combination drive allows for easy installation with either a Phillips or slotted screwdriver. The full contour truss head provides a low profile and a finished appearance. The zinc plating provides corrosion resistance.