Item No.: RP09Y1008

.Classic HSS construction with black oxide coating for capability and durability, also ensures a longer service life so that the drill bits last through multiple uses;

.Self-centering 135-degree Or 118-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging;

.Great drill bits set for metal/wood/plastic countersink,

.Suitable for Home DIY, and General Building/Engineering Use.

.Size：3,4,5,6,7,8,9,10mm。