7-Piece Center Drill Bit Set - M2 HSS 60° Countersink Tools (1.0-5.0mm) for Lathe & Metalworking, High Speed Steel Center Drills with Protective Case
- 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
- Widely Applicable: work with lathe machines and most electronic drills to drill holes in Steel, Iron, Alum, Carbon Steel, Brass and other tough material ranging from 170HB up to 200HB
- Multiple Sizes: 7Pieces of Plain Center Drill Bits Set Including 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs.
- 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: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and long-lasting with impact resistance, wear resistance
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Wide Application
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.
Working Hardness :HRB200-300 degrees
Widely used for processing alloy steel, cast iron, cast steel, copper, aluminum and other materials.
Quality HSS
These bits are made of high quality HSS material, suitable for starting pilot holes on shaft and other parts to facilitate the efficiency of subsequent drilling.
They also can give you an extremely good starter holes and you can drill up with the correct size drill bit and then tap it.
They are incredibly accurate, solid and useful.
7Pcs HSS Combined Center Drill Bits
60-degree angle plain center drill bits are used for drilling precise center holes with diameters range from 1mm to 5mm.
Each drill has 60 degree double end,
Quick cutting speed and good chip removal,
Excellent wear resistance and won’t easy to breakage,
For precise positioning of prefabrication for hole machining.
A center drill bit is a very useful pieced of kit if you are doing any metal working.
High Quality:
1. Sharp and long-lasting, accurate positioning, cutting edge clear.
2. Our center drill bits made of high quality M2 High speed steel, solid and high temperature wear resistant.
3. High-strength and large-capacity spiral chip flute, integrally formed spiral, good versatility and durability.
Widely applicable
work with lathe machines and most electronic drills to drill holes.
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.
Designed to drill & countersink center holes in a workpiece to be mounted between centers for turning or grinding. The pilot drill creates a small hole in the stock & the countersink expands the hole, leaving a small gap at the bottom of the hole to help protect lathe centers from damage when the stock is turned on it.
Tips in using center drill bits.
1. Fix the work piece deep in the Lathe machine to prevent wobbling when rotate.
2. Get rid of acid surface before drilling and use oil or proper lubricant to protect the bits.
3. A good rule to follow is to go 2/3 deep on the tapered section.
4. Stop immediately if the drilling sound is abnormal and fix any problem before resuming.
5. Clean the center drill bits before and after drilling, and apply oil to store it properly.
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.
Product details
Specifications
| Main Specification | |
|---|---|
| Surface Recommendation | Steel, Iron, Aluminum, Carbon Brass |
| Manufacturer | KEWAYO |
| Unit Count | 1 Count |
| Cutting Diameter | 5 Millimeters |
| Point Style | Pilot Point |
| Shank Type | Straight |
| Tool Flute Type | Spiral |
| Brand | KEWAYO |
| Cutting Angle String | 60 Degrees degrees |
| Number of Pieces | 7 |
| Material | High Speed Steel (Hss) |
| Finish Type | Uncoated |
| Item Weight | 1 kg |
| Product information | |
|---|---|
| Number of Packs | 1 |
| Set Name | 7-Piece |
| Technical Details | |
|---|---|
| Part Number | K-HSS-7-1A |
| Model | K-HSS-7-1AQ |
| Material Type | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Style | |
|---|---|
| Finish Types | Uncoated |
| Others | |
|---|---|
| Product Type | Countersink Drill Bits |
| Minimum Bore Diameter | 1 millimeters |
| Tags | |
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