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Kaiqiu Brand High Air Pressure Down the Hole Hammer 3" 4" 5" 6" 8" Inch Deep Hole Drilling Inch DTH Hammer

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Product Description

⚙️ Product Description

HIGH AIR PRESSURE DTH HAMMER

Product Name	Top Sub Thread	Hammer Length (No Bit)	Outside Diameter	Net Weight (Kgs)	Bit Diameter	Working Pressure	Air Consumption	Bit Shank
BR1"	RD40 BOX	698mm	56mm	8.8	64-76mm	8-15bar	3-4 (m³/min)	BR1
BR2"	RD40 BOX	810mm	64mm	12.5	70-90mm	8-15bar	3-4.5 (m³/min)	BR2
BR3"	RD50 BOX	871mm	82mm	21	90-115mm	10-17bar	4-7 (m³/min)	BR3
QL40	API 23/8" REG PIN	1050mm	99mm	42.5	110-140mm	10-20bar	6-10 (m³/min)	QL40
QL50	API 23/8" REG PIN	1075mm	126mm	126mm	135-165mm	10-20bar	8-12 (m³/min)	QL50
QL60	API 31/2" REG PIN	1145mm	150mm	105	165-203mm	12-24bar	12-20 (m³/min)	QL60
QL80	API 41/2" REG PIN	1333mm	185nm	190	195-254mm	12-24bar	15-28 (m³/min)	QL80
KD25A	F48 X 10 PIN	844mm	71mm	16	76-90mm	10-17bar	6-10 (m³/min)	KD25A
DHD3.5	API 23/8" REG PIN	899mm	82mm	25	90-110mm	10-17bar	6-10 (m³/min)	DHD3.5
DHD340 COP44	API 23/8" REG PIN	976mm	99mm	40.5	105-140mm	6-10bar	6-10 (m³/min)	DHD340
DHD350R COP54	API 23/8" REG PIN	1095mm	126mm	66	138-165mm	10-20bar	8-12 (m³/min)	DHD350
DHD360 COP64	API 31/2" REG PIN	1240mm	148mm	110	165-203mm	12-24bar	12-20 (m³/min)	DHD360
DHD380 COP84	API 41/2" REG PIN	1351mm	185mm	191	195-254mm	12-24bar	15-28 (m³/min)	DHD380
Mission40	API 23/8" REG PIN	995mm	99mm	40.50	105-140mm	10-20bar	10-20 (m³/min)	Mission40
Mission50	API 23/8" REG PIN	1095mm	126mm	66	138-165mm	10-20bar	8-12 (m³/min)	Mission50
Mission60	API 31/2" REG PIN	1123mm	150mm	104	165-203mm	12-20bar	12-20 (m³/min)	Mission60
Mission80	API 41/2" REG PIN	1330mm	185mm	190	195-254mm	12-24bar	15-28 (m³/min)	Mission80

🔧 Optional Bit Shanks

• SP shank drill bit	• NUMA shank drill bit	• W shank drill bit
• SD shank drill bit	• SP1880	• SP330

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❓ Frequently Asked Questions

What are the main applications for these DTH hammers?

Our High Air Pressure DTH hammers are widely used in deep hole drilling, mining, water well drilling, and civil engineering projects.

Which bit shanks are compatible with your hammers?

We support a wide range of industry-standard shanks including DHD, QL, Mission, SD, BR, and NUMA series.

What is the optimal working air pressure?

Depending on the specific model, the optimal working pressure typically ranges from 10 bar up to 24 bar for maximum efficiency.

How do I select the right hammer size for my project?

Selection depends on your required hole diameter (ranging from 3" to 8" or more) and the geological conditions of the drilling site.

Do you offer different thread connections for the top sub?

Yes, we provide various top sub threads including API REG PIN and RD series to match your existing drill pipes.

What ensures the durability of your DTH hammers?

Our hammers are manufactured using high-grade alloy steel and advanced heat treatment processes to ensure long service life in harsh conditions.