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Whole Piece Diamond Core Bits for Fast Drilling Cured Concrete

Item No.:
CBWA

Laser welded bits (half manufactured)

semi-finished products at workshop

Size:

size	segment no.
3/4" (dia.19mm)	3
7/8" (dia.22mm)	3
1" (dia.25mm)	3
1-1/8" (dia.29mm)	4
1-1/4" (dia.32mm)	4
1-1/2" (dia.38mm)	5
1-3/4" (dia.44mm)	6
2" (dia.51mm)	6
2-1/2" (dia.63mm)	7
3" (dia.76mm)	8
3-1/2" (dia.89mm)	10
4" (dia.102mm)	11
4-1/4" (dia.108mm)	12
4-1/2" (dia.114mm)	13
5" (dia.127mm)	14
6" (dia. 152mm)	17
7" (dia. 178mm)	20
8" (dia. 203mm)	23
9" (dia.229mm)	25
10" (dia.254mm)	27
12" (dia.300mm)	33
14" (dia.450mm)	39

Feature:
- For fastest drilling on critically hard materials such as reinforcing concrete
- The core bits tube as per the quality standard from sperling from Germany

Technical specs:

Specs

Test Result

Segments from RobtoL

Segments from U.K.

Life (meter)
for Reinforcing Concrete

18

18

Drilling Materials

Reinforcing Concrete
(steel bar dia.6~8mm)

Reinforcing Concrete
(steel bar dia.6~8mm)

Speed (cm/min)

5.39

4.47

update: Apr. 18, 2010