Content: Drill-Countersink Set of 3 pcs. Ø 3, 4, 5 mm and rotating Depth Stop in wooden case
High quality drill bit - countersink set with rotating depth stop. Depth of pre-drill is adjustable. Countersink angle 60°. This set is particularly well suited for terrace construction. It makes it easy to drill screwholes and to countersink them properly and accurate in the terrace boards. The depth stop is rotatably mounted and stops when it touches the workpiece. This prevents the depth stop from leaving marks on the terrace boards. Adjust the depth so that the floor board is just perforated (board thickness). Thus, the self-tapping terrace screw can find a perfect hold.
The description of the tool design: High quality drill-countersink-set with rotating depth stop of brass. Pre-drill in the depth ajustable. Countersink angle 60°
Tool material: Countersink/Pre-drill: alloyed tool steel, Depth Stop: brass
Recommended r.p.m. and specific example for the most common diameters in the according field of application: 1500 - 2200 min-1 e.g. recommended value aprox. 1800 min-1 in hardwood
Description of application: This set is particularly well suited for screw holes in the terraces boards which we have to drill, sink clean and accurate. The depth stop is rotatably mounted and stops at impact with the workpiece, it prevent that the depth stop leaving imprints on the terrace boards.
Practical advice and specialty of the tool: Adjust the depth so that floor board is just transpierce ( Board thickness). Thus, the self-tapping terrace screw are perfect fit.