6-20 x 3/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc D929A2 It meets ASTM A307 specifications

It meets ASTM A307 specifications for strength and quality

These 3/4-10 x 4 Heavy Hex Structural Bolts are designed for heavy-duty applications and meet ASTM A325 Type 1 specifications

5 thread size

Introducing our 8-32 x 1 1/4 Combination (Phil/Slot) Full Contour Truss Head Machine Screw Full Thread Zinc

6-20 x 3/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc D929A2 It meets ASTM A307 specificationsThese 6 20 x 3 8" Square Drive Modified Truss Head Self Drilling Screws are designed for fastening metal to wood. They feature a self drilling tip that eliminates the need for pre drilling, saving time and effort. The square drive head ensures a secure fit with a standard square drive bit. The modified truss head provides a low profile and a clean, finished look. These screws are made of durable zinc plated steel for corrosion resistance and long