Hand-hold Rock Drills,Jack Hammer,China Hand-hold Rock Drills Manufacturer

Hand-hold Rock Drills

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Our hand-hold rock drills are suitable for dry drilling without water, and always used in drilling split holes and breaking holes in quarry site and other works. Also it can drill horizontal or tiptilted blasthole and other recrushing works.

Fetures of Hand-hold Rock Drills:

1, Light weight, low gas consumption and easy to use.

2, Y28 hand-hold rock drill is the fastest hand-hold rock drill in China.

Main Overall Dimensions:

No.	Item	Unit	Y18	Y20	Y24	Y28
1	Length	mm	550	590	605	659
2	Weight	kg	18	20	23	25
3	Cylinder diameter ×Piston stroke	mm	58×50	64×52	70×70	80×60
4	Air pressure	MPa	0.4~0.63	0.4~0.63	0.4~0.63	0.4~0.63
5	Gas consumption	M³/min	≦1.4	≦1.5	≦3	≦3.3
6	Drilling diameter	mm	Ø36~42	Ø32~42	Ø32~42	Ø34~45
7	Drilling depth	m	1.5~2	3	5	5
8	Drilling speed	mm/min	≧120	≧200	≧320	≧400
9	Impact frequency	Hz	≧23	≧27	≧28	≧35
P.S. The air pressure of function specification is 0.5MPa.

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