HIGH-PERFORMANCE CONCRETE DRILLS

High-performance drill for percussion drilling in concrete, brickwork and nature stone,

for rotary drilling in ceramics and marble
Manufacturered in accordance with DIN8039 (ISO 5468);
lmported carbide tip HRA92.1，Transveres rupture strength 220Mpa;

Blade made of carbon steel，hardened and tempered;
Milled flute type "U" and "L" are available;
Black & bright finish or other different finish are available.

+86-0574-88190333 Contact Us

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DRILL DIA.		D	STANIDARD		MEDIUM		LONG		EXTRA LONG		EXTRA LONG
mm	inch	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
			L1	L2	L1	L2	L1	L2	LI	L2	L1	L2
3.0	1/8	2.8	70	40
4.0	5/32	3.8	75	40
4.5		3.8	85	50
5.0	3/16	4.5	85	50	150	90
5.5	7/32	4.5	85	50	150	90
6.0		5.5	100	60	150	90	300	220	400	300	600	500
					200	135	300	220	400	300	600	500
6.5	1/4	5.5	100	60	150	90	300	220	400	300	600	500
7.0	9/32	6.4	100	60	150	90	300	220	400	300	600	500
8.0	5/16	7.0	120	80	150	90	300	220	400	300	600	500
					200	135	300	220	400	300	600	500
9.0	11/32	8.0	120	80	150	90	300	220	400	300	600	500
10.0	3/8	9.0	120	80	150	90	300	220	400	300	600	500
					200	135	300	220	400	300	600	500
11.0	7/16	10.0	150	90	200	135	300	220	400	300	600	500
12.0	15/32	11.0	150	90	200	135	300	220	400	300	600	500
13.0	1/2	11.0	150	90	200	135	300	220	400	300	600	500
14.0	9/16	13.0	150	90	200	135	300	220	400	300	600	500
15.0	19/32	13.0	150	90	200	135	300	220	400	300	600	500
16.0	5/8	15.0	150	90	200	135	300	220	400	300	600	500
18.0	23/32	16.0	160	90	200	135	300	220	400	300	600	500
19.0	3/4	16.0	160	90	200	135	300	220	400	300	600	500
20.0	13/16	18.0	160	90	200	135	300	220	400	300	600	500
22.0	7/8	20.0	160	90	200	135	300	220	400	300	600	500
25.0	1	22.0	160	90	200	135	300	220	400	300	600	500

About Us

Ningbo Tiangong Great Star Tools Co.,Ltd since 1971, is the important production foundation for HIGH-PERFORMANCE CONCRETE DRILLS Wholesale.The company covers 30 thousand square meters, building area covers 23 thousand square meters. Company has more than 280 employees and sales amount was 20 million USD in last year. Its main products include hand tools, wood chisel, wood plane, flat wood bit,cold chisel,SDS&masonry drill bit, file&rasp etc. Company passed ISO9001 and BSCI quality management system, and GS, TUV product quality certification. Ningbo Tiangong Great Star Tools Co.,Ltd is also the permanent members in Ningbo National Hardware Association.Company main products include: wood chisel, wood plane, flat wood bit,cold chisel,drill bit, file&rasp etc. Main products market share: 99% products sells overseas, 1% sells domestic and sales amount without tax is 101 million RMB last year.North American&South American 50%，EUR 40%，South Africa 5%，Other 5%

Location:	China
Business Type:	Manufacturer, Exporter
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WOOD CHISEL

WOOD PLANE

FLAT WOOD DRILL

DRILL&DRILL SET

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PUNCHES & CHISELSS

FILE&RASP

OTHERS

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