Feature: This set of durable 13 piece titanium nitride coated drill bits lasts six times longer than standard drill bits. Titanium nitride coating facilitates faster penetration with less effort. The 1/4" hex shank is specially designed for cordless screwdrivers, enabling you to quickly change drill bits. Titanium coated HSS drill set with standard 1/4" hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck. Suitable for use with steel, wood, plastic etc. Titanium coated drill bits. Longer life and durability. It can be used with cordless screwdrivers. 1/4" hex shanks for fast drill bit changes.
Specification: Name: 13pcs wind batch titanium hexagonal shank twist drill Surface treatment: Titanium Material: HSS 4241 Color:Silver and Golden Packing: Plastic Bag Uses: Can be used for wood, plastic, aluminum, iron drilling. Drill Size: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm Total Size:11.9 x 4cm/4.69 x 1.57"(L x W)