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Blast Hole Drilling Atlas Copco Hammer Bits Antirust 4 Inch Shank M40 Length 1005mm

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Changsha Sollroc Engineering Equipments Co., Ltd

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Blast Hole Drilling Atlas Copco Hammer Bits Antirust 4 Inch Shank M40 Length 1005mm

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Brand Name :	SOLLROC
Model Number :	Mission40 shank
Certification :	SGS
Payment Terms :	, L/C, T/T, MoneyGram, D/P
Supply Ability :	2500 set per month
Delivery Time :	3-4 weeks

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Blast Hole Drilling Atlas Copco Hammer Bits Antirust 4 Inch Shank M40 Length 1005mm

Convertional Hammer HM Series Down The Hole Hammer 4 Inch Shank M40

Products specifications:

Shank	M40
Length (less bit)	1005mm
Outer diameter	99mm
Top sub thread	API 2 3/8" REG pin
Weight (less bit)	40kg (88lbs)
Hole range	110mm-130mm
Working pressure	10-25bar
Impact rate at 1.7 Mpa	30Hz
Recommended rotation speed	25-40 r/min
Air consumption at 7-14 bar	176-494CFM

Advantage:

1.Valveless air distribution, more reliable;
2.Piston with simple but compact design, long life;
3.More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4.Fewer internal parts, simple structure, longer life, less failure and easier to maintain, with the all heat treated parts;
5.Easy to disassemble, thanks for the top sub, drive chuck and external cylinder all are connected by multi-step thread.DTH bits 110-130mm for above hammers can be available.

Our HM serises DTH hammer specifications:

DTH hammer type		HM30	HM40	HM50	HM60	HM80
Length(less bit) mm		930	1005	1110	1161	1300
Weight(less bit) kg		25kg (55lbs)	40kg(88lbs)	66kg(145lbs)	96kg(210lbs)	175kg(374lbs)
External diameter mm		Φ82mm	Φ99	Φ125	Φ99	Φ185
Bit shank		Mission30	Mission40	Mission50	Mission60	Mission80
Hole range(mm)		Φ90-110mm	Φ110-130mm	Φ135-165mm	Φ110-135mm	195mm-254mm
Connection thread		API 2 3/8" Reg.	API 2 3/8"Reg	API 2 3/8"Reg	API 2 3/8"Reg	API 4 1/2"Reg
Working pressure		1.0-1.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-3.0Mpa
Impact rate at 1.5-1.7Mpa		30Hz	30Hz	28Hz	25Hz	22Hz
Recommended Rotation speed		25-40r/min	25-40r/min	25-40r/min	20-30r/min	15-25r/min
Air consumption	1.0Mpa	4.5m3/min	5m3/min	7m3/min	6.0m3/min	12m3/min
	1.8Mpa	9.0m3/min	9m3/min	14m3/min	10.0m3/min	22m3/min
	2.4Mpa	/	14m3/min	19m3/min	15.0m3/min	28m3/min

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Blast Hole Drilling Atlas Copco Hammer Bits Antirust 4 Inch Shank M40 Length 1005mm

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