Best Center Drill Inserts in 2026

Top Quality M2 HSS

Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes

Sizes 1, 2, 3, 4 and 5, 60° tip angles.

Wide Range of Sizes: Including 7 Pieces of Plain Center Drill Bits Set range in size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs

Accurate: A 60-Degree Angle center drill is very useful in drilling accurate center holes, 60-degree countersink holes or starter holes for bigger drill bits in metal-working

High Quality: Our center drill bits made of high quality M2 High speed steel, solid and high temperature wear resistant

TOP QUALITY CARBIDE MATERIAL: The center drill bit is made of Top quality HSSCO M35. Compared with ordinary high speed steel, M35 material can prolong the service life, enhance wear resistance and remove chippings clearly .Top quality Tatinum plated .

PLAIN STYLE 60 ANGLE: Center drill bit can be used to process the centering hole and countersink of general material. Plain style 60째angle can guide twist drill bits to process holes.

SPIRAL FLUTE: Spiral groove helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process. The precision ground surface is corrosion resistance to achieve better using effects and prolong the working life.

High Quality Material - Our center drill bit is made of high quality material, which is solid, also enhance wear resistance and remove chippings clearly.

60 Degree Tip Angle - The center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of general material. It will be your great helper in drilling accurate centering holes.

Multifunction Applications - The center drill bit can work with lathe machines to drill holes in mold steel, cast iron, Alum, Carbon Steel, Wood, thread mold and other tough material, it will improve the the efficiency of drilling.

Made of high speed steel and ground from solid

Plain style

Used for centering work ends, where the work piece is to be revolved on machine centers

5 Lathe Mill Center Drill Countersink (Sizes 1# 2# 3# 4# 5#)

Made with M2 High Speed Steel (HSS)

Each bit is double ended.

Comes in 7 sizes in a storage box – package including 7 Pieces of black Center Drill Bits Set in different sizes 1.0 1.5 2.0 2.5 3.0 4.0 5.0, which can meet most of the center hole needs

Well-made Center Bits - made of high grade M2 High Speed Steel well known as high temperature wear resistant and solid

Make Excellent Center Holes – Using these center drill bits to drill a starer hole for longer drill bits in wood without off centering, and for tap drill in metal to align properly, etc.

{Good Quality Material}Our center drill bit is made of high quality M2 High speed steel, it has high hardness, wear resistance and is not easy to break.

{Multiple Sizes } It comes with 5pcs Center Drill Bits Set, they are in size 1,1.5,2.5,3.15,5mm , which can meet your different needs.

{60 Degree Tip Angle} The center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of general material. It will be your great helper in drilling accurate centering holes.

【IPENKONE M35 HSS Cobalt Layered Drill Bits】M35 cobalt coated, each metal countersunk drill bit is made from high quality M35 HSS material, IPENKONE countersink drill bit set is excellent in heat, corrosion and rust resistance.

【Five-blade design with 1/4" Hex Shank 】Each countersink drill is well designed in five-blade， which can reduce vibration and prolong life, achieve smoother drilling.Permanently attached 1/4" shank. Suitable for all types of drill bits and mold grinding machines. Easy to control with variable speed drill. 6000 R.P.M MAX.

【Precision Grinding 82°Countersink Drill Bit Set】Precision grinding 82°tip for drilling holes ，it is used for most medium hardness stainless steel, metals, plywood, softwood, hardwood, fiberglass plastic,mild steel copper, aluminum. These countersink drill bits work hard the profound processing, achieve exact countersink holes and allows the screw heads to be flush and even with the surface of the material being utilized.

Made from high speed steel, these center drill bits are of high hardness and good wear resistance

There are total 5 pieces center bits in this set that can be used to drill holes in different sizes

They can also be used to make a conical indentation in the end of a workpiece in which to mount a lathe center

7 DIFFERENT SIZES: The package includes 7 pieces of titanium-coated M2 HSS center drill bits. They are in size 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, and 5mm. These countersink drills will meet your different drilling needs.

ACCURATE 60-DEGREE ANGLE: Each center drill bit has a standard 120-degree end and a 60-degree angle end. The 60° countersink angle fits all standard centers. They can be used to drill precise center holes for a lathe center or make starting holes.

SOLID M2 HSS DRILL: SUNJOYCO center drill bit set is made of high-quality M2 HSS material, high-temperature wear resistance, longevity, and durability. The sharp cutting edge will remove chippings clearly and improve drilling efficiency.

High Quality Material - Center drill bit is made of high quality M2 High speed steel, it has high hardness, wear resistance and is not easy to break.

60 Degree Tip Angle - The center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of general material. It will be your great helper in drilling accurate centering holes.

Multiple Sizes - It comes with 5pcs Center Drill Bits Set, they are in size 1,1.5,2.5,3.15,5mm , which can meet your different needs.

Fine Workmanship: Lathe mill center drills are made of quality M2 HSS, which is high temperature wear resistant, providing the maximum durability than a conventional bits.

60 Degree Blade Angle: 60 degree countersink point for easy starting and high accuracy impact driver, playing a important role of guiding and preparing for grinding.

Spiral Flute Type: The chip groove is designed with a spiral shape to accelerated chip guide.

Mill cutters are made of hard high speed steel, usually used to be assembled on milling machine

Suitable for milling of copper, aluminum, steel, cast iron, etc

High toughness, abrasion resistance, high-speed cutting for the high hardness