7pcs Spiral Drill Bit Blade Design for Ceramics Glass High Hardness Hole Opener Tools Reinforced Head for Durability Compatible with Hand Electric Drills

Package List 7 x drills Characteristics - Packaging size: About 15x6x6cm/5.9x2.4x2.4inch spiral drilling bit - Specification: 3mm,4mm,5mm,6mm,8mm,10mm,12mm hard alloy drill hole opener - Color: Black hard alloy drill bit - Material: Hard alloy hard alloy drill - Made of material, this glass drill bit has very abrasion resistance and high hardness for longer life hole opener drill. - Adopts precision production to stable characteristics and high reliability glass hole opener. - Selected material with a reinforced head that prevents bit cracking and provides a longer life hard alloy ceramic drill - Simple in structure, easy to use glass drill - The set contains 7pcs, they can meet your different needs for drilling 4-blade drill.Goods Descriptionhard alloy drill bit performance, making clean and accurate holes for you.hole opener Hard alloy material, 4-blade design, spiral structure design.multipurpose drilling bit Can be installed in the hand drill, electric drill.hard alloy drill hole opener glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, wood and glass

• Hard alloy drill bit:the set includes 7pcs drill accessories, which can meet your different needs,4-blade drill
• Hard alloy drill hole opener:selected material with a reinforced head that prevents bit cracking and provides a longer life,ceramics glass hole opener
• Glass hole opener:7pcs in the set, which can meet your different needs,multipurpose drilling bit
• Hole opener drill: for the ceramics, glass, wood and concrete drilling,tile glass drilling bit
• Glass drill bit:adopts precision production to stable characteristics and high reliability,ceramics drill