DHD350 DTH Hammer

DHD350 High Middle Air Pressure Hammer Drilling Tool 5 Inch DTH Hammer

Material	Alloy Steel&Tungsten Carbide
Series	DHD , QL , SD , TD , MISSION , MD , W , COP , MACH , CIR , BR ,MACH , etc .
Application	Water Well , Mining , Quarrying , Construction .
Advantage	Good quality and lower price.
Color	Green, or based on customer requirements.
Working pressure	Low air pressure : 5-7bar . High air pressure : 7-35bar
Top sub thread	2-3/8" , 3-1/2" , 4-1/2" API reg pin
Certification	ISO

Product Description

KSQ DTH hammer include high air pressure and low air pressure two series,with advanced design concept, better wear-resistance,better impact-resistance, higher drilling speed, longer service life, widely used in large-scale open pit mining, quarry and other large-scale construction projects.

Specification
Shank style	Bit with foot valve	Thread connection	Outside diameter	Rec.hole size(mm)	Length without bit(mm)	Weight without bit(mm)	Working pressure(bar)
3.5″
DHD3.5	with	API 2 3/8″ Reg Pin	82	90-115	930	24	10-15
DHD3.5	without	API 2 3/8″ Reg Pin	82	90-115	878	23	10-15
4″
DHD340/COP44	with	API 2 3/8″ Reg Pin	99	108-135	1064	39	10-25
DHD340/COP44	without	API 2 3/8″ Reg Pin	99	108-135	1000	39	10-25
5″
DHD350/COP54	with	API 3 1/2″ Reg Pin	125	135-155	1210	76	10-25
DHD350/COP54	without	API 3 1/2″ Reg Pin	125	135-155	1110	69	10-25
6″
DHD360/COP64	with	API 3 1/2″ Reg Pin	146	152-203	1250	102	10-25
DHD360/COP64	without	API 3 1/2″ Reg Pin	146	152-203	1240	99	10-25
8″
DHD380/COP84	with	API 4 1/2″ Reg Pin	180	195-305	1490	198	10-25
DHD380/COP84	without	API 4 1/2″ Reg Pin	180	195-305	1350	177	10-25
12″
DHD1120	with	AP I6 5/8″ Reg Pin	275	305-500	1900	481	10-25

Features:

Simple and reasonable design, easy to assemble and dis-assemble, low problem rate.
Low air consumption, smooth drilling, maximum impact power, high penetration rate.
Multiple precise heat-treatment with all hammer parts to provide longest lifespan under roughest working conditions.

Competitive Advantage

Very competitive price
Professinal service team and special after sale team
Fast response about all questions from clients
Design based on your specific requirements
Delivery on time

Get a quote

Frequently Asked Questions

Q：Are you manufacturery or trade company?

A:We are manufacturer, has more than 10 years of professional production experience .Products including DTH Hammer and Bit、Drill Pipe Casing System、Tricone Bit、Top Hammer Drill Rod、 Drill Bit、Tapper Button Bit and Rod、 Integral Drill Rod etc.

Q: Do you offer warranty on your products?

A: Yes. For different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 6 months after shipping date.

Q: How is your quality control?

A: We have our own experienced quality control. There will be strict inspection and testing for every order before shipping out.

Q: How long is your delivery time?

A: 1-5days for the products in stock； regular order delivery in 2-3weeks.

Q: After Services

A:(1) Our sales team will response for your question within 24 hours (Holidays included).

(2) Technical Support will be available in any time.

(3)Free replacement will provide once the failure confirmed caused by our product quality.

Q:Methods of Payment

A:We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. You can choose your preferred payment methods before we shipping the goods.

Q: Do you offer OEM service?

A:Yes, we can offer OEM service if you have regular requirement.

Q: Where did you export ?

A:Till 2022 we have exported to 50+ countries.