Nylon insert locknuts are hex nuts with a nylon-filled collar

7 x 3 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000)

3/4-10 x 4 1/4 Socket Cap Screw Alloy

tap bolts) with all dimensions conforming to DIN 933

9 x 2 1/2 Square Flat Particle Board Screw w/ Nibs T17 Zinc Plated - Carton (2,500) Flat Mushroom Toggle Bolts Zinc Plated Nylon insert locknuts are hex9 x 2 1 2 Square Flat Particle Board Screw w Nibs T17 Zinc Plated Carton (2,500). Wood screws used for interior wood applications. Asymmetrical thread pattern resists material slippage during pull out and vibration. Counter sinking NIBS for a flush finish. Type 17 tip reduces wood splitting. Superior holding power.