Customization Tungsten Carbide Long Gun Drill Replacement Bit Inner Cooling Deep Hole Drilling ODM&OEM Factory Price

• Customization: Available
• Customized: Customized
• Standard: ISO9001:2008
• Model NO.: RNS
• Length: 50-300mm
• Type: Carbide Drill
• Material: Tungsten Carbide
• Usage: Wood Drilling, Metal Drilling
• Transport Package: Single Package
• Specification: Dia. 0.08-Dia. 32mm
• Trademark: DELEVEL
• Origin: Changzhou, Jiangsu
• HS Code: 8207709000
• Production Capacity: 50000PCS/Month

Product Description

Customization Tungsten Carbide Long Gun Drill replacement Bit Inner Cooling Deep Hole Drilling ODM&OEM Factory Price

Product Description

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. 

Detailed Photos

Application

Product Parameters

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

30D Series - Carbide Micro Drills

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

From World

Guhring(K44UF,DK460UF)	from	Germany
Kennametal	from	America
CERATIZIT(CTU08L,TSF22,TSF44)	from	Luxembourg

Note:
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

Packaging & Shipping

Our Advantages

Company Profile

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 .
 

Certifications