Designed by Simpson for demanding outdoor environments - including coastal and chloride-exposed applications - this cap head fastener combines a Type-17 point for clean penetration with inverted upper threads that clear excess material
Simpson 16d x 3-1/2" 20 deg
Applications demanding resistance to uplift and diagonal forces in wood connections
making it a reliable and cost-effective alternative to welded hangers for standard framing applications
What spindle speeds are available on the JET GHD-20PFT
Simpson 4d - 1-1/2" x 5/32" Head, Premium Siding Nail, 316 Stainless Steel 14 Ga. PACK:25 Lb (9950) Designed by Simpson for demandingSimpson Premium 4d Siding Nail in 14 gauge, passivated Type 316 Stainless Steel is engineered for fastening wood siding in demanding outdoor environments where ordinary nails fall short. Featuring a 1 1 2" length, a 5 32" full round head, and an annular ring shank, this corrosion resistant fastener delivers exceptional holding power and long term durability making it a trusted choice for coastal construction, seaside applications, and any severely