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Diamond Tipped Hole Saw Core Drill Bits for Rock Stone Granite

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Diameter: 1/4"-20"(6mm~500mm")
Thread:: 1-1/4"-UNC7, 5/8-11", M14, 1/2"GAS
Price: 21.50USD/piece
Min.Order: 1 piece
Supply 5000 piece
Delivery: Shipment within 10 days since the date of payment
Address: Fujian Quanzhou
Valid until: Never Expire
Updated on: 2020-03-09 00:49
Hits: 8
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Details
  1. For diameters 10mm to 38mm core drill bit, we use high quality 10mm high quality crown (ring) diamond segments – This helps for an easy start-up when hand held drilling.;
  2. For diameters 40mm to 500mm core drill bit, we use high quality 10mm high diamond segments with castellated tips to ensure an easy start-up and fast opening of the segment. Usually customers will choosing the thread of 1-1/4-7;
  3. Diamond Segments

    • All our diamond segments have well designed bond systems combined with high concentrations of top quality synthetic diamonds to provide trouble-free drilling through a variety of applications
    • Segments including:1)crown type; 2) turbo type; 3)roof type 4)straight type for you choose. 
  4. Steel Barrel

    • All our barrels are made using top quality steel and are guaranteed to run true
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Product name

20mm 25mm 140mm Diamond Tipped Hole Saw Core Drill Bits for Rock Stone Granite Concrete

Brand

Huazuan or OEM

Types

Core drill bit

Compose

Segment + core bit matrix

Diameter

1/4" - 20", 6mm - 500mm

Core bit length

104, 120, 160, 200, 370, 450mm,other length is available upon request.

Thread

1 1/4-UNC7, 5/8-11", M14, 1/2GAS, other thread is available upon request.

Machine

Drilling machine

Application

Core drill bit used for drilling reinforced concrete, natural stones, bricks, blocks & Rock

 

 

 

 

Quality Control

 

1. Strict Raw material inspection

2. Professional formula

3. Production process control(PDCA+7S Principle)

4. Do some cutting testing to sure the using function

5. Products pass ISO9001 and SGS inspection

 

MOQ

8PCS for each size

Payment term

TT,Western union,Paypal etc

Package

As per customers' requirement.

Delivery

10 days after receiving the payment.

Certification

ISO9001 and SGS Product quality control.

Main market

Spain,Italy,Germany,England,USA,Canada,Egypt India,Iran,Turkey etc.

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