Sanko Techno Hard Edge Drive HDW-S Type Stainless Steel 220 Pieces HDW-425S 1 PK

Catalog number: HDW-425S Features: *The head shape conforms to JIS standards, improving workability and fitting of parts. *No need for plugs, so drilling diameter can be small. *Steel is Geomet-treated, which does not contain hexavalent chromium, and stainless steel is Spack-treated. Uses: ●For concrete, blocks, and wood ●Saddle fastening for wiring and piping, installation of switch boxes, installation of door frames, etc. Specifications: ●Nominal diameter d (mm): 4.0 ●Pre-drilled hole diameter (mm): 3.4 ●Embedding depth (mm): 22 ●Maximum tensile load (kN): 1.7 ●Drilling depth (mm): 35-t ●Length (mm): 25 ●Compatible driver: Phillips No. 2 ●Head height (mm): 3.6 ●Drilling diameter (mm): 3.4 ●Bit used: No. 2 ●Under-neck length (mm): 25 ●Head diameter (mm): 10.0 ●Total length (mm): 25 ●Nominal diameter: 4 ●Packed Material/Finish: ●Stainless steel (SUS410) ●Surface treatment: SPAC (Spac) treatment Note: ●The maximum tensile load is the value of concrete strength Fc=21N/mm2. ●Pre-drill pilot holes should be drilled with the specified drilling diameter. ●The drilling depth is length ±10mm-t (attachment thickness). ●For sizes with a nominal diameter of 4, use a screwdriver (manual). ●Do not overtighten. If tightened more than necessary, the screw may break or the head may fly off.