Product Info Catalog Hardware Fasteners Screws Timberlok Wood Screws, 4-In., 250-Pk. Timberlok Wood Screws, 4-In., 250-Pk. Request a Quote UPC: 608309400202 SKU: 576696 Model Number: FMTLOK04-250 Fastenmaster, 250 pack, 4" timberlok screw, no pre-drilling, timberlok drives right through pressure treated wood & reduces labor time with quick & safe 1 step installation, guaranteed corrosion resistant performance, bucket.