About this item

• Multiple Size: It comes with 8 pcs center drill bits set, they are in size 1.0/1.5/2.0/2.5/3.0/4.0/5.0/6.0, which can meet your different needs
• Center Bit: Sandblasting passivation surface treatment and fully ground body process ensure more accurate and smooth drilling. Arcuate spiral groove provides excellent chip removal and heat removal
• 60 Degree Tip Angle: The center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of various materials
• High Quality: Our center drill bits made of high quality HSS, Not only is it sturdy and wear resistant, but it can also quickly remove debris
• Wide Application: Perfect for drilling center holes with most lathe machines and power drills in Stainless Steel,Hardened Steel, Carbon Steel, Alloy Steel, Cast Iron, Brass and other tough material ranging from 170HB up to 200HB