High Quality 50mm Concrete Core Barrel Tube Drill Bits Hard Rock

• Customized: Customized
• Standard: CE
• Length: 450mm
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 50mm*450mm
• Type: Core Drill Bit
• Material: Diamond
• Usage: Masonry Drilling, Concrete Drilling
• Effective Length: 450
• Shank Type: M22 or 11/4unc
• Advantage: Fast Drilling&Operation Safety
• Customized Support: OEM, ODM
• Diameter: 18-350mm
• Transport Package: Paper Box
• Specification: all diameter
• Trademark: Senmine
• Origin: Hebei, China
• Production Capacity: 50000 Pieces/ Year

Product Description

Core Drill Bit Barrel

Core drill bits barrel Advantage:

 

Senmine's Core Barrels are made of high quality materials appropriate for the drilling, so they are excellent in life span and quality. They currently have been exported to various countries. We stock a wide range of Core Barrels from Φ18mm to Φ400mm, in length 350mm and 450mm. Other sizes are available upon your request.
* Feature:Threads Available in 1/2BSP, M22, 1-1/4-7, 1-1/4-3, etc. * Customised in Various Lengths and Threads are Accepted.

High Frequency: Weld Stronger with Steps and Larger Juncture Plane.Laser Welded: Ultrathin Steel can be Easy Used for Laser Welding. The Melting Point is Small with Stronger Welding.

Wide range of uses in the drilling field. Great Tool for Drilling Deep Holes.

Usage Scenarios

Diameter (a)		^b-c	^Diameter (a)		b-c
Diameter (mm)	inch	Overall Length-Effective Length	Diameter (mm)	inch	Overall Length-Effective Length
Φ18	5/7"	370-330mm 450-410mm	Φ108	4-1/4"	370-330mm 450-410mm
Φ20	4/5"		Φ114	4-31/64"
Φ22	7/8"		Φ116	4-35/64"
Φ25	1"		Φ120	4-5/7"
Φ27	1.06"		Φ127	5"
Φ30	1-3/16"		Φ132	5-1/5"
Φ32	1-1/4"		Φ140	5-33/64"
Φ36	1-2/5"		Φ152	6"
Φ38	1-1/2"		Φ159	6-3/8"
Φ40	1-3/5"		Φ162	6-25/64"
Φ44	1-7/10"		Φ168	6-3/5"
Φ46	1-4/5"		Φ180	7"
Φ51	2"		Φ188	7-25/64"
Φ56	2-1/5"		Φ200	8"
Φ63	1-1/2"		Φ220	8-7/10"
Φ66	2-3/5"		Φ230	9-1/16"
Φ71	2-4/5"		Φ245	9-3/5"
Φ83	3-1/4"		Φ254	10"
Φ86	3-1/4"		Φ270	10-5/8"
Φ89	3-1/2"		Φ300	12"
Φ96	3-25/32"		Φ325	12-51/64"
Φ102	4"		Φ350	14"

Line Of Production


Company Profile


Certifications


FAQ
Q1: Is OEM available?

A: Yes, OEM and customization are accepted. Besides, we can provide label printing service.
Q2: Are samples available?
A: Yes, we can send our samples first for testing after confirming the price once you need, but the freight fee needs to be payed.
Q3: What is your payment terms?
A: L/C, D/P, D/A, T/T, Western Union for different circumstances.
Q4: What is your delivery time?
A: Usual delivery time is 5-10 days after receiving the advance payment, while it takes longer time for the customized product.
Q5: Does Senmine provide technical support?
A: Yes! Senmine has team members with extensive amounts of experience in diamond tools waiting to answer the toughest question.