TOOL WORTH HSS STEP DRILL 4-20 TIN COATED Double Open End Spanner Built with a honed steel

Built with a honed steel cutting wheel and a durable die-cast metal handle

Minimum Height: 190 mm

Its knurl adjustment mechanism allows quick and accurate jaw positioning

300 mm ruler with 3 folds

TOOL WORTH HSS STEP DRILL 4-20 TIN COATED Double Open End Spanner Built with a honed steelTOOL WORTH HSS STEP DRILL 4 20 TIN COATED The ladder of its unique structure, a bit can open a variety of specifications of aperture. Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken. Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible. The use of tools: drill, bench drill. Work while water cooling, can effectively extend the service life of