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1,High quality segments of the drill bits, 2,High quality steel of bit body, 3,Specifications are upon request - details see: https://www.machineto.com/450mm-length-11-4-thread-drill-bits-for-reinforced-concrete-10149263

450mm length, 11/4'' thread, drill bits for reinforced concrete

Our diamond drill bits are used for makeing holes in concrete,reinforced concrete,brick wall,refractory marble and granite.

Specification		Segment No.		Specification		Segment No.
25		3		102		11
27		4		108		12
30		4		112		12
32		4		114		12
34		4		120		13
36		4		127		14
38		4		132		14
40		4		150		15
46		5		160		16
51		5		167		16
56		6		180		16
63		8		200		16
76		8		219		17
82		8		245		18
90		10		300		20
96		10		350		22
The length of the drill bits are normally between 400mm to 450mm
The bits can be produced according to the clients' requairements

Feature

1,Fast cutting speed and low preasure

2,Diferent connection end for different drilling machine.

3,Especially efective in drilling in the reinforced concrete.