DIY Crafts 21-Piece Pin Vise, Mini Twist Drill Bit Set Semi-Automatic Driving Drill Bit, Wood Walnut Drilling Tool 0.3mm-1.6mm (with 2pcs Chuck)

DIY Crafts Product description Product description Toolbit Mini Hand Twist Drill bit set Weight: 60g Material:High Speed Steel Size:0.3mm 0.35mm 0.4mm 0.45mm 0.5mm 0.55mm 0.6mm 0.65mm 0.7mm 0.75mm 0.8mm 0.85mm 0.9mm 0.95mm 1.0mm 1.2mm 1.3mm 1.4mm 1.5mm 1.6mm Features: -Pin vise with Accurate operating,Grooved grip make you rotating the hole quickly and more accurate. -Pin Vise Tight Clamp,the Chuck is carefully crafted, the material is hard and the Chuck is very tight. -With the high precision and tight clamp,Pin Vise help us save time and energy when we drilling. -The Pin vise is minilight,so it's so Easy to carry. The reason for Twist Drill bits Slipping or Breaking and solution 1: Drill chuck selection is not suitable. Solution: Select the drill chuck that matches the drill bit. 2: The drill chuck is not tightened. Solution: Tighten the drill chuck nuts as quickly as possible. How to use: Choosing a suitable drill, insert the pen hole, Firmly fixed and drill. When drilling a deep hole, we suggest to drill a few times and exit and drill a bit, followed by a feeling of walking Note: Do not use for metal drilling, can not drill the hard matrrial (such as stone and wall); Don't let the force is not vertical and uneven; Don't make hole tilt. Package Include: 1 x 21-piece hand drill set