Solid Tungsten Carbide Drill Bits With Multi Series Selection For Drilling Holes
Brand Name:MMM
Certification:ISO 9001
Model Number:∅4 - ∅25
Minimum Order Quantity:5 PCS
Delivery Time:5-15 Days
Payment Terms:L/C, T/T
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Location:
Zhuzhou Hunan China
Address:
Room 421, Zhishang Science and Technology Building, 1986 Taishan West Road, Tianyuan District, Zhuzhou, Hunan, China
Supplier`s last login times:
within 30 hours
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Product Details
Solid Tungsten Carbide Drill Bits With Multi Series Selection for Drilling Holes
Feature Advantage:
- 3D, 5D, 8D, 12D, etc., all kinds of lengths are complete.
- All types are available in both internal and external cooling to meet the requirements of various machine tools.
- It includes general processing series, stainless steel special series, high temperature alloy special series, deep hole drilling series, etc. A variety of series options, can achieve efficient processing of steel, stainless steel, cast iron, aluminum alloy, high temperature alloy and other materials.
- Optimized drill tip structure for better cutting performance and improved machining stability.
- ∅ 2 - ∅ 25 Diameter, complete types.
- The coating combines excellent wear resistance and anti-blocking properties to improve edge stability.
- The unique coating post-treatment technology effectively reduces the cutting force, making the chip removal smoother and safer.
Recommended Cutting Parameters:
- Cutting parameters are recommended for water soluble cutting fluids.
- Use a defect-free, clean chuck when installing the drill and control the drill runout to within 0.02 mm.
- The recommended cutting parameters are for applications where the hole depth is below 5D.
- The recommended cutting parameters are externally cooled drills, which can be increased by 10%-15% depending on the situation.
| Material | Mild Steel, Carbon Steel, Alloy Steel <HRc 30 | Pre-Hardened Steel <HRc 40 | Stanless Steel | |||
Speed m/min | 60-120 | 40-70 | 25-40 | |||
Diameter mm | Rotating r/min | Feed mm/r | Rotating r/min | Feed mm/r | Rotating r/min | Feed mm/r |
| 2 | 14000 | 0.06-0.08 | 9500 | 0.06-0.08 | 5500 | 0.02-0.05 |
| 3 | 9500 | 0.09-0.12 | 6300 | 0.09-0.12 | 3700 | 0.03-0.07 |
| 4 | 7000 | 0.10-0.15 | 4700 | 0.10-0.15 | 2700 | 0.04-0.08 |
| 5 | 5700 | 0.12-0.18 | 3800 | 0.12-0.18 | 2200 | 0.05-0.10 |
| 6 | 4700 | 0.14-0.20 | 3100 | 0.14-0.20 | 1850 | 0.06-0.12 |
| 8 | 3600 | 0.16-0.24 | 2400 | 0.16-0.24 | 1400 | 0.08-0.16 |
| 10 | 2800 | 0.18-0.27 | 1900 | 0.18-0.27 | 1100 | 0.10-0.18 |
| 12 | 2400 | 0.20-0.30 | 1600 | 0.20-0.30 | 930 | 0.12-0.20 |
| 14 | 2100 | 0.22-0.35 | 1400 | 0.22-0.35 | 800 | 0.13-0.22 |
| 16 | 1800 | 0.25-0.36 | 1200 | 0.25-0.36 | 700 | 0.14-0.25 |
| 18 | 1600 | 0.28-0.38 | 1100 | 0.28-0.38 | 620 | 0.15-0.28 |
| 20 | 1400 | 0.30-0.40 | 950 | 0.30-0.40 | 550 | 0.16-0.30 |
| 25 | 1500 | 0.32-0.42 | 900 | 0.32-0.42 | 700 | 0.17-0.32 |
| Material | Cast Iron | Ductile Iron | Heat Resistant Alloy | |||
Speed m/min | 60-120 | 50-100 | 15-25 | |||
Diameter mm | Rotating r/min | Feed mm/r | Rotating r/min | Feed mm/r | Rotating r/min | Feed mm/r |
| 2 | 14000 | 0.06-0.08 | 11000 | 0.06-0.08 | 3200 | 0.02-0.04 |
| 3 | 9500 | 0.09-0.12 | 7400 | 0.09-0.12 | 2100 | 0.03-0.06 |
| 4 | 7000 | 0.10-0.15 | 5600 | 0.10-0.15 | 1600 | 0.04-0.07 |
| 5 | 5700 | 0.12-0.18 | 4500 | 0.12-0.18 | 1250 | 0.05-0.09 |
| 6 | 4700 | 0.14-0.20 | 3700 | 0.14-0.20 | 1050 | 0.06-0.11 |
| 8 | 3600 | 0.16-0.24 | 2800 | 0.16-0.24 | 800 | 0.08-0.14 |
| 10 | 2800 | 0.18-0.27 | 2200 | 0.18-0.27 | 600 | 0.10-0.16 |
| 12 | 2400 | 0.20-0.30 | 1900 | 0.20-0.30 | 500 | 0.12-0.18 |
| 14 | 2100 | 0.22-0.35 | 1600 | 0.22-0.35 | 450 | 0.13-0.20 |
| 16 | 1800 | 0.25-0.36 | 1400 | 0.25-0.36 | 400 | 0.14-0.23 |
| 18 | 1600 | 0.28-0.38 | 1200 | 0.28-0.38 | 350 | 0.15-0.25 |
| 20 | 1400 | 0.30-0.40 | 1100 | 0.30-0.40 | 320 | 0.16-0.28 |
| 25 | 1500 | 0.32-0.42 | 1100 | 0.32-0.42 | 250 | 0.17-0.3 |
FAQ:
1. Where are your factory located?
Our factory located in zhuzhou city, hunan province.
2. What are your main products?
Our main products are carbide cutting tools, including end mill,
face mill, drill bits etc.
3. What raw material you use?
We have rods with 3-4 types hardness, hrc45, hrc55, hrc60,hrc65..
Your work piece hardness decides what rods are suitable for.
4. Do you have grinding machine?
Yes, we have 8 Walter from Germany and professional engineers
modeling cutters
5. How to ensure the quality?
We have precision detection machine, quality inspectors check
cutters one by one.
6. How to deal with the cutters under verified?
These under verified cutters are all scraped.
7. I only have the drawings of work pieces? can you design cutters
for me?
Yes, of course, show me work piece drawing, I will show you
cutters’ drawing.
Solid Tungsten Carbide Drill Bits With Multi Series Selection For Drilling Holes
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