Sanko Techno Hard Edge Drive HDH Type Steel (55 pieces) HDH-645 1 PK

Catalog number: HDH-645 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, switch box installation, door frame installation, etc. Specifications: ●Nominal diameter d (mm): 6.0; Countersink diameter (mm): 5.3; Embedded depth (mm): 40; Maximum tensile load (kN): 5.3; Drilling depth (mm): 55-t; Length (mm): 45; Compatible driver: KTB-9.6 (two-sided width 9.6); Two-sided width dimension (mm): 9.6; Head height (mm): 6.2; Drilling diameter (mm): 5.3; Bit used: KTB-9.6 (two-sided width 9.6); Neck length (mm): 45; Total length (mm): 45; Nominal diameter: 6; Head diameter (mm): 13.0; Packed Material/Finish: ●Steel; Surface treatment: Geomet treatment Note: ●The maximum tensile load is the value for concrete strength Fc=21N/mm2. ● Drill pilot holes to 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 the screw is tightened more than necessary, the screw may break or the head may jump off.