450mm Long 40mm Diamond Segment Turbo Dry & Wet Core Drill Bits for Block/Concrete

• 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.: 40mm*450mm
• Type: Core Drill Bit
• Material: Diamond
• Usage: Masonry Drilling, Wet Dry Cutting
• Working Length (mm): 450
• Finish: Spray Painting
• Shank Type: M22 or 11/4unc
• Customized Support: OEM, ODM
• Diameter: 18-350mm
• Color: Customized Color
• Transport Package: Paper Box
• Specification: 40mm
• Trademark: Senmine
• Origin: Hebei, China
• HS Code: 8205590000
• Production Capacity: 50000 Pieces/ Year

Product Description

Products description

 

Specification

 

Diameter (a)		b-c	Diameter (a)		b-c
Diameter (mm)	Diameter (Inch)	Total Length- Effective Length(mm)	Diameter (mm)	Diameter (Inch)	Total Length-Effective Length(mm)
Φ30	1-3/16"	370-330 450-410	Φ46	1-4/5"	370-330 450-410
Φ32	1-1/4"		Φ51	2"
Φ36	1-2/5"		Φ56	2-1/5"
Φ38	1-1/2"		Φ63	2-1/2"
Φ40	1-3/5"		Φ76	3"
Φ44	1-7/10"		Φ83	3-1/4"

Detail

Premium Diamond Grit

The core bore drill is high quality steel      
tube, selected diamond teeth, and
high-frequency welding technology,
providing steady and rustproof.

M22, 1 1/4" and 1/2Gas Universal Thread

Our diamond core drill is suitable for most types of machines in the market. You can install the drill on your previous machine effortlessly.

The "Helix" Design

These threads can be used for heat dissipation during dry play, aiming to operate directly on the wall and reduce noise.

Flawless Kit

Our handheld core drill comes with a core bore drill, a pilot bit, and a hot-pressed corrugated saw blade, well-designed to furnish you with maximum convenience.

High-frequency Teeth Welding

 

High-frequency welding has firm, sharp, and wear-resisting properties, the heat evenly technique without missing welding.

Extensive Uses

The core drill reducer is paramount to your projects, widespread used in installing air conditioning, range hood, sewer, and engineering coring.

Application

 

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.