so they fill old worn spike holes tightly

3/8-24 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (225)

this product is ideal for heavy-duty applications

1/2-13 x 8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (20)

6 x 1 1/4 Phillips Bugle Decking Screws Dacrotized - Carton (8000)

3/8 x 8 Powers Wedge-Bit™ SDS Shank Hex Washer Head Metal-Panel Screws 316 Stainless Steel with EPDM Washer so they fill old wornThe 3 8 x 8 Powers Wedge Bit SDS Shank offers efficient and powerful drilling capabilities. This powerful shank is designed to penetrate concrete and masonry with its 3 8 inch diameter and 8 inch length. PREP technology ensures maximum efficiency with superior performance for increased drilling productivity.