POPETPOP 10pcs Drilling Kit Extra Long Drill Bit Set Coating High Speed Tool Set for Metal

Package List 2 x drill bit (3 x 300mm) 2 x drill bit (3.5 x 300mm) 2 x drill bit (4 x 300mm) 2 x drill bit (4.5 x 300mm) 2 x drill bit (5 x 300mm) Features - Color: Silver extra long drill bits. - Material: Steel auger drill bit. - Size: 30.00 x 0.30 x 0.30cm/ 11.79 x 0.12 x 0.12 inch. - The product designed with fast replacement composite cone, uses drill edged principle large drill bit. - Say bye to all those chips and particles, with the design the drill bit can quickly clears them out, and leaves a clean, smooth hole wide drill bit. - Maximize efficiency with the included adapter that allows you to between different sizes easily drill bits. - Drilling and one, one-step processing, greatly save processing steps and time costs, working efficiency steel drill bits for hard metal. - Back tapered beyond tap to prevent thread damage from over-drilling carbide drill bits.Goods Informationsteel drill bits for hard metal Suitable for drilling, tapping, cutting on metal, aluminum plate, iron, etc.large drill bit Do not need additional center drilling or center punching.drill bits Drilling and one, one-step processing, greatly save processing steps and time costs, working efficiency.carbide drill bits High hardness, rustproof, solid and durable.wide drill bit Fast replacement composite cone, uses drill edged principle.extra long drill bits The automatic center punch delivering an automatic spring-driven strike when pressed against surface, it can be adjusted regulates striking force

• Auger drill bit:please keep cool and gentle using, the working life of the drill bits can be largely prolonged by proper usage,extra long drill bits
• Large drill bit:the surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life,wide drill bit
• Drill bits:suitable for drilling, tapping, cutting on metal, aluminum plate, iron, etc,auger drill bit
• Steel drill bits for hard metal:drilling and one, one-step processing, greatly save processing steps and time costs, working efficiency,auger drill bit
• Carbide drill bits:the product designed with fast replacement composite cone, uses drill edged principle,auger drill bit