Factory Price Yt28 Hand Heldpneumatic Rock Drill with Air Leg for Mining

• After-sales Service: Yes
• Warranty: Yes
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Standard: AISI, ASME, GOST, ASTM
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Model NO.: YT28
• Material: Alloy Steel
• Bit Head Size: R22*108mm
• Bit Type: Button Bit
• Drill Hole Depth: 5m(Max)
• Model: Yt27, Yt28, Yt29, S250, Yn27c
• Piston Diameter: 80mm
• Transport Package: Standard Export Package
• Specification: 34-42mm
• Trademark: Richdrill
• Origin: China
• HS Code: 843143
• Production Capacity: 1000PCS/Month

Product Description

Product Parameters

 

Air Leg Rock Drill	YT19a	Y20ly	YT24	YT27	YT28	YT29a
Weight (kg)	18	18	24	26	26	26.5
Air consumption (L/s)	28	≤25	≤67	≤85	≤81	≤65
Drill hole diameter (mm)	34-42	34-42	34-42	34-42	34-42	34-45
Max.drilling depth (mm)	3	3	5	5	5	5
Shank (mm)	22*108	22*108	22*108	22*108	22*108	22*108

 

Paramaters	G10 & G11	G15 & G16	G20
Weight (kgs)	10.4	12.5	20
Length (mm)	570	600	550
Pituitary trip (mm)	155	185	200
Working Pressure (Mpa)	0.4~0.63	0.4~0.63	0.63
Air Consumption (L/S)	≤26	≤27	≤28
Impact Frenquency (Hz)	≥16.5	≥7.5	≥16
Tracheal diameter (mm)	16	16	19
Pick brazing Specification	φ24X70	φ24X70	φ30X87

Hard Rock Model S250

Bore	79.4 mm
Stroke	73.25 mm
Weight (c/w leg)	39 kg
Blows/Minute	2200 @ 6.2 bar
Air Consumption	4.4 m3/ min
Air Connection	1 in BSP
Water Connection	½ in BSP
Leg Thrust	244 kg @ 6.2 bar
Leg Extension - Standard	762 mm
Supply Hose ID
Air	25mm
Water	12mm
Steel Size (Hex)-Chuck End
Standard	42.2 kg
Unmuffled	41.3kg
Noise Emissions
Muffled: Noise Pressure	113.5 dB(A)
Unmuffled:Noise Pressure	116.0 dB(A)
Power	129.0 dB(A)

YN 27 Portable Petrol Rock Drill 

 

Our Advantages

1. Easy to operate, just turn the handle to make it work.

2. Time and labor saving, drilling fast and high efficiency.

3. First-class level drilling tools, suitable for site without power or pressure equipment, it has wide adaptability for high mountain and plain, extreme temperature (40 to -40).

4. Used to drill vertical downward hole(max depth 6) and and <45° upward hole.

5. Light drilling tools, only 27kg, easy to carry.