Sanko Techno Hard Edge Drive HDH Type Steel (60 pieces) HDH-560 1 PK

Catalog number: HDH-560 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): 5.0 ●Pre-drilled hole diameter (mm): 4.3 ●Embedding depth (mm): 30 ●Maximum tensile load (kN): 3.3 ●Drilling depth (mm): 70-t ●Length (mm): 60 ●Compatible driver: KTB-8 (two-sided width 8) ●Two-sided width dimensions (mm): 8.0 ●Head height (mm): 4.9 ●Drilling diameter (mm): 4.3 ●Bit used: KTB-8 (two-sided width 8) ●Under-neck length (mm): 60 ●Nominal diameter: 5 ●Head diameter (mm): 10.7 ●Total length (mm): 60 ●Packed Material/Finish: ●Steel ●Surface treatment: Geomet treatment Note: ●The maximum tensile load is the value of concrete strength Fc=21N/mm2. ●Pre-drill pilot holes 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.