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Straight Shank Tungsten Solid Carbide Micro Drills Bits For PCB
Carbide Deep Hole Small-Diameter Internal Coolant Drill
Engineered for stability, durability, and precision, this drill excels in deep-hole machining with exceptional wear and impact resistance.
- High-Performance Alloy: Ensures superior hardness and extended tool life.
- Optimized Flute Design: Enhances chip evacuation and adapts to various machining conditions.
- Reinforced Structure: Provides excellent impact resistance and drilling accuracy.
- Customizable Up to 30xD: Supports extreme depth-to-diameter ratios with efficient coolant flow.
Ideal for high-precision, stable, and efficient machining, this drill meets the demands of complex and high-performance applications.
We are a professional manufacturer of carbide small-diameter internal coolant drills, offering stable, impact-resistant, and wear-resistant solutions. Our special chip evacuation design improves efficiency and hole quality, while internal cooling enhances heat dissipation and tool life. Customization is available to meet your specific needs.
25D Series - Carbide Micro Drills
| ITEM | Diameter (d) | Max Cutting Depth (L1) | Flute Length (L2) | Overall Length (L4) | Shank Length (L3) | Shank Diameter (D) |
| RNS2500060-1 | 0.60mm | 20mm | 23mm | 65mm | 36mm | 3mm |
| RNS2500070-1 | 0.70mm | 20mm | 23mm | 65mm | 36mm | 3mm |
| RNS2500080-1 | 0.80mm | 25mm | 28mm | 70mm | 36mm | 3mm |
| RNS2500090-1 | 0.90mm | 25mm | 28mm | 70mm | 36mm | 3mm |
| RNS2500100-1 | 1.00mm | 30mm | 33mm | 75mm | 36mm | 3mm |
| RNS2500110-1 | 1.10mm | 35mm | 38mm | 75mm | 36mm | 3mm |
| RNS2500120-1 | 1.20mm | 35mm | 38mm | 75mm | 36mm | 3mm |
| RNS2500130-1 | 1.30mm | 37mm | 40mm | 80mm | 36mm | 3mm |
| RNS2500140-1 | 1.40mm | 37mm | 40mm | 80mm | 36mm | 3mm |
| RNS2500150-1 | 1.50mm | 43mm | 46mm | 85mm | 36mm | 3mm |
| RNS2500160-1 | 1.60mm | 43mm | 46mm | 85mm | 36mm | 3mm |
| RNS2500170-1 | 1.70mm | 50mm | 53mm | 95mm | 36mm | 3mm |
| RNS2500180-1 | 1.80mm | 50mm | 53mm | 95mm | 36mm | 3mm |
| RNS2500190-1 | 1.90mm | 50mm | 53mm | 95mm | 36mm | 3mm |
| RNS2500200-1 | 2.00mm | 54mm | 57mm | 101mm | 36mm | 3mm |
| RNS2500210-1 | 2.10mm | 56mm | 60mm | 101mm | 36mm | 3mm |
| RNS2500220-1 | 2.20mm | 59mm | 63mm | 101mm | 36mm | 3mm |
| RNS2500230-1 | 2.30mm | 62mm | 66mm | 107mm | 36mm | 3mm |
| RNS2500240-1 | 2.40mm | 64mm | 68mm | 107mm | 36mm | 3mm |
| RNS2500250-1 | 2.50mm | 67mm | 71mm | 107mm | 36mm | 3mm |
| RNS2500260-1 | 2.60mm | 70mm | 74mm | 122mm | 36mm | 3mm |
| RNS2500270-1 | 2.70mm | 72mm | 77mm | 122mm | 36mm | 3mm |
| RNS2500280-1 | 2.80mm | 75mm | 80mm | 122mm | 36mm | 3mm |
| RNS2500290-1 | 2.90mm | 78mm | 83mm | 122mm | 36mm | 3mm |
| Order No. | Diameter (d) | Max Cutting Depth (L1) | Flute Length (L2) | Total Length (L4) | Shank Length (L3) | Shank Diameter (D) |
| RNS3000060-1 | 0.6 | 23 | 26 | 65 | 36 | 3 |
| RNS3000070-1 | 0.7 | 23 | 26 | 65 | 36 | 3 |
| RNS3000080-1 | 0.8 | 30 | 33 | 75 | 36 | 3 |
| RNS3000090-1 | 0.9 | 30 | 33 | 75 | 36 | 3 |
| RNS3000100-1 | 1.0 | 35 | 38 | 85 | 36 | 3 |
| RNS3000110-1 | 1.1 | 35 | 38 | 85 | 36 | 3 |
| RNS3000120-1 | 1.2 | 40 | 43 | 85 | 36 | 3 |
| RNS3000130-1 | 1.3 | 40 | 43 | 85 | 36 | 3 |
| RNS3000140-1 | 1.4 | 47 | 50 | 90 | 36 | 3 |
| RNS3000150-1 | 1.5 | 47 | 50 | 90 | 36 | 3 |
| RNS3000160-1 | 1.6 | 55 | 58 | 100 | 36 | 3 |
| RNS3000170-1 | 1.7 | 55 | 58 | 100 | 36 | 3 |
| RNS3000180-1 | 1.8 | 60 | 63 | 105 | 36 | 3 |
| RNS3000190-1 | 1.9 | 60 | 63 | 105 | 36 | 3 |
| RNS3000200-1 | 2.0 | 64 | 67 | 112 | 36 | 3 |
| RNS3000210-1 | 2.1 | 66 | 70 | 112 | 36 | 3 |
| RNS3000220-1 | 2.2 | 70 | 74 | 112 | 36 | 3 |
| RNS3000230-1 | 2.3 | 73 | 77 | 122 | 36 | 3 |
| RNS3000240-1 | 2.4 | 76 | 80 | 122 | 36 | 3 |
| RNS3000250-1 | 2.5 | 80 | 84 | 122 | 36 | 3 |
| RNS3000260-1 | 2.6 | 83 | 87 | 136 | 36 | 3 |
| RNS3000270-1 | 2.7 | 85 | 90 | 136 | 36 | 3 |
| RNS3000280-1 | 2.8 | 89 | 94 | 136 | 36 | 3 |
| RNS3000290-1 | 2.9 | 92 | 97 | 136 | 36 | 3 |
Standard size specifications
| flute diameter | max.cutting depth | shank diameter | overall length |
| D3.00-D3.70 | 20 | 6 | 62 |
| D3.80-D4.70 | 24 | 6 | 66 |
| D4.80-D6.00 | 28 | 6 | 66 |
| D6.10-D7.00 | 34 | 8 | 79 |
| D7.10-D8.00 | 4 | 8 | 79 |
| D8.10-D10.0 | 47 | 10 | 89 |
| D10.1-D12.0 | 55 | 12 | 102 |
| D12.1-D14.0 | 60 | 14 | 107 |
| D14.1-D16.0 | 65 | 16 | 115 |
| D16.1-D18.0 | 3 | 18 | 123 |
| D18.1-D20.0 | 2 | 20 | 131 |
| D20.1-D22.0 | 96 | 25 | 146 |
| D22.1-D25.0 | 103 | 25 | 153 |
Note:
1.Non-standard products are available according to customer's drawing or customer's sample .
2.We also design and manufacture products,according to the request of customer's.
Why do you choose our Delevel Brand carbide end mill tools ?
1.Super raw material
From China
| GESAC(GU20,GU20F,GU25UF) | from | Xiamen China |
| CB(WF25,K200,K100,TF25,WF03,WF30) | from | Taiwan |
| Zigong(ZK30,ZK40) | from | Zigong China |
| Zhu zhou | from | Zhuzhou China |
| Guhring(K44UF,DK460UF) | from | Germany |
| Kennametal | from | America |
| CERATIZIT(CTU08L,TSF22,TSF44) | from | Luxembourg |
Delevel solide carbide end mill was used 100% original tungsten,no recycle,so this kind of solide carbide end mill tool has high precision and high quality!
2.Super coating
| Item | ALTiN | AlCr-based | TiSiN | AlCr-Blue |
| Hardness | 3100-3400 | 3100-3500 | 3300-3700 | 3300-3700 |
| Thickness | 1-2.5μ | 1-3μ | 2-3μ | 2-3μ |
| Oxidation Temp | 900-1000 | 900-1100 | 900-1000 | 900-1000 |
| Friction coefficient | 0.3 | 0.35 | 0.4 | 0.35 |
| Color | Black | Bright grey | Copper | Colorful Blue |
CHANGZHOU DELEVEL TOOLS CO.,LTD IS ONE OF THE BIGGEST MANUFACTURERS IN SOLID CARBIDE MILLING TOOLS,WELDING FORM TOOLS AND MACHINE TOOLS.WE CAN MAKE VARIOUS OF ALLOY DRILLS,REAMERS,LADDER CUTTING TOOLS ,FORMING TOOLS,MACHINE TOOLS WHICH ARE WIDELY USED IN AEROSPACE,AUTOMOTIVE,MOTOCYCLE,ENGINE,AIR CONDITIONING COMPRESSOR ,MEDICAL TREATMENT AND MOULD PROCESSING ,MANUFACTURING ,MACHINERY PROCESSING,ETC.
OUR MATERIAL SELECTED THE HIGH QUALITY DOMESTIC AND IMPORTED RODS ,WE CAN SUPPORT YOU WORLD-CLASS TOOL GRINDING MACHINE,CNC MACHINE FOR USERS TO SOLVE THE HIGH PRECISION,NON-STANDARD MILLING TOOLS WHICH CAN MEET YOUR REQUIREMENTS .
