The TK810 Kit features six different lengths of self-drilling hex washer head screws of #8 & #10 sizes. Their unique tip design allows them to drill, tap and fasten metal-to-metal objects in one operation without the need to pre-drill. They are manufactured from durable, cold-heading steel material and heat treated for optimum drill performance and thread forming.
Brand
L.H. Dottie
Head Type
Hex Washer
Drive Size
5/16 in
Drive Type
Hex
Drill Size
1/2 to 2 in
Point Type
Self-Drilling
Material
Carbon Steel
Finish
Zinc-Plated