12" Numa Down The Hole Numa125 DTH Drill Bits For Rock Drilling

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Changsha Sollroc Engineering Equipments Co., Ltd

City: changsha

Province/State:hunan

Country/Region:china

Tel:86-731-85551632

Contact Person:
Ms.Ling Bo View Contact Details

12" Numa Down The Hole Numa125 DTH Drill Bits For Rock Drilling

Brand Name	SOLLROC
Model Number	Numa125 dth bits
Certification	SGS
Place of Origin	China
Minimum Order Quantity	1 set
Supply Ability	30000 sets per month
Delivery Time	3-4 weeks
Packaging Details	Cartons + ply wood case (no plastic)
Product name	Numa125 dth bits
Diameter	12", 12 1/2" 13" 13 1/2" 14" 14 1/2"
Air pressure	10-30 bar
Applications	waterwell drilling and rock drilling
Face shape	Flat, Convex, Concave
Keyword	Numa125 bit

Detailed Product Description

12" Numa Down The Hole Numa125 DTH Button Drill Bits For Rock Drilling

Product specifications: Numa125 dth bits

For 12" hammer DTH bits shank	Bit Dia.		No Air Holes.	Gauge Buttons	Front Buttons	Weight (Kg)	Part No.
For 12" hammer DTH bits shank	mm	inch	No Air Holes.	Gauge Buttons	Front Buttons	Weight (Kg)	Part No.
DHD1120	305	12"	4	12×φ18	36×φ16	152.0	DHD1120-305
	311	12 1/4"	4	12×φ18	36×φ16	157.0	DHD1120-311
	330	13"	4	16×φ18	42×φ16	165.0	DHD1120-330
	356	14"	4	16×φ19	48×φ16	178.0	DHD1120-356
	381	15"	4	16×φ19	48×φ18	198.0	DHD1120-381
SD12	305	12"	4	12×φ18	36×φ16	156.0	SD12-305
	311	12 1/4"	4	12×φ18	36×φ16	168.0	SD12-311
	330	13"	4	16×φ18	42×φ16	180.0	SD12-330
	356	14"	4	16×φ19	48×φ16	191.0	SD12-356
	381	15"	4	16×φ19	48×φ18	200.0	SD12-381
NUMA120	305	12"	4	12×φ18	36×φ16	152.0	NUMA120-305
	311	12 1/4"	4	12×φ18	36×φ16	158.0	NUMA120-311
	330	13"	4	16×φ18	42×φ16	165.0	NUMA120-330
	356	14"	4	16×φ19	48×φ16	178.0	NUMA120-356
	381	15"	4	16×φ19	48×φ18	195.0	NUMA120-381
NUMA125	305	12"	4	12×φ18	36×φ16	170.0	NUMA125-305
	311	12 1/4"	4	12×φ18	36×φ16	173.0	NUMA125-311
	330	13"	4	16×φ18	42×φ16	182.0	NUMA125-330
	356	14"	4	16×φ19	48×φ16	191.0	NUMA125-356
	381	15"	4	16×φ19	48×φ18	200.0	NUMA125-381

Product photos

DTH bits for 12inch hammer-DHD112,SD12,NUMA120,NUMA125

1.Face:flat,concave.convex
2. Spherical, ballistic, parabolic inserts
3. Certificate: ISO9001:2008, SONCAP

Shank: SD12 ,DHD112,Numa120,Numa125

Diameter: 310m to 420mm.

Applicaiton field: blasting hole,geotheromal hole.

Face design: flat, concave,drop center

Inserts design: spherical, ballistic, parabolic

Fetures: 1.Reliable quality, long service life, rare abnormal breakage during service life.

2.Good flushing effect to ensure high drilling rate

3.Strict quality warranty and compensation rules

Markets: Italy, France, Russia, Greece,Canada,Korea, Chile, Brazil, Nigeria, Mongolia and etc.

Shank style	Diameter in mm	Flushing holes No.	Gauge buttons	Face buttons	Approx.weight
NUMA125	305	4	12*18mm	36*16mm	152.0kg
	311	4	12*18mm	36*16mm	158.0kg
	330	4	16*18mm	42*16mm	165.0kg
	356	4	16*19mm	48*16mm	178.0kg
	381	4	16*19mm	48*18mm	195.0kg

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.

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