YT27 YT28 YT29 mini air jack hammer/pneumatic air digging tools/mini rock drill machine Introduction

1. Pneumatic Rock Drills: This type rock drills use compressed air as power, mainly used in construction sites, various types of mines, tunnel, railways, water conservancy construction and national defense construction areas for drilling operations.

1) YT24 YT27 YT28 YT29A 7655 pusher leg rock drills always works with support leg, can use for any angle drilling.

2) Y19A Y20 Y24 Y26 hand held rock drills works without air leg, mainly use for downwards drilling.

3) YSP45 stoper rock drill is a integral rock drill machine, mainly use for upwards drilling.

YT27 YT28 YT29 mini air jack hammer/pneumatic air digging tools/mini rock drill machine Parameter

Model	Weight (kg)	Bore (mm)	Stroke (mm)	Impact Energy (J @0.5Mpa)	Impact Frequency (HZ)	Consumption (L/s)	Air Hose (mm)	Water Hose (mm)	Shank (mm)
YT24	24	70	70	62	31	56	19	13	22*108
YT27	27	80	60	64	39	57	25	13	22*108
YT28	26	80	60	63	35	58	25	13	22*108
YT29	27	82	60	69	37	65	25	13	22*108
7655	24	76	55	59	36	54	25	13	22*108
Y19	19	65	54	40	35	43	19	13	22*108
Y20	18	60	50	32.7	30	25	19	13	22*108
Y24	24	70	70	62	27	55	19	13	22*108
Y26	26	65	70	30	23	47	19	13	22*108
YSP45	44	95	47	70	45	83	25	13	22*108