12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well Drilling with High Wear Resistance

Name: 12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well Drilling with High Wear Resistance
Brand: Changsha Sollroc Engineering Equipments Co., Ltd
Price: 100.00 USD
Availability: InStock

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Dth Bits DTH Button Bits For Water Well Drilling/Rock Drilling

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12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well Drilling with High Wear Resistance

Large Image : 12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well Drilling with High Wear Resistance

Product Details:

Place of Origin:	Hunan, China
Brand Name:	SOLLROC
Certification:	ISO:9001

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	$1,200

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12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well Drilling with High Wear Resistance

Description

Diameter:	12 Inch	Weight:	80 KG
Material:	Carburized Steel	Processing Type:	Forging
Face Shape:	Flat, Convex, Concave	Button Type:	Spherical, Parabolic, Ballistic
Bit Dia(mm):	305, 311, 330, 350, 356, 381	Bit Dia(inch):	12", 12 1/4", 13", 13 3/4", 14", 15"
Air Hose:	3, 4	Gauge Buttons:	15×φ19, 15×φ19+12×φ19, 16×φ19+12×φ19, 16×φ19+16×φ19
Front Buttons:	27×φ18+9×φ16, 27×φ18+16×φ16, 28×φ18+20×φ16, 42×φ18	Part No:	HD12-305, HD12-311, HD12-330, HD12-350, HD12-356, HD12-381
Rock Hardness:	200 Mpa To 260 Mpa	Shank Type:	NUMA120
Use Case:	Medium-hard To Hard Abrasive Rock
Highlight:	12-Inch DTH Hammer Bit , NUMA120 DTH Button Bit , Alloy Steel DTH Drill Bit

12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well

Key Features

High wear resistance for medium-hard to hard abrasive rock formations (200-260 Mpa compressive strength)
Spherical tungsten carbide inserts for superior configuration against carbide fracture
Effectively eliminates hole deviation
Ideal for drifting and tunneling applications
Optimized bit face design for medium-hard to hard abrasive rock

Product Applications

DTH hammers and bits are essential for:

Underground mining and quarries
Hydraulic and Hydro-Power Engineering
Water well drilling and mineral exploration
Anchoring hole drilling and geothermal engineering
Subway excavation and civil engineering projects

Advantages include high flatness, smooth hole walls, rigid drill rod/hammer construction, unlimited drilling depth capability, low maintenance costs, and device affordability.

Product Specifications

12" Shank Bits	Bit Dia (mm)	Bit Dia (inch)	Air Hose	Gauge Buttons	Front Buttons	Part No
QL30	305	12"	3	15×φ19	27×φ18+9×φ16	HD12-305
	311	12 1/4"	3	15×φ19	27×φ18+9×φ16	HD12-311
	330	13"	3	15×φ19+12×φ19	27×φ18+16×φ16	HD12-330
	350	13 3/4"	3	15×φ19+12×φ19	28×φ18+20×φ16	HD12-350
	356	14"	4	16×φ19+16×φ19	28×φ18+20×φ16	HD12-356
	381	15"	4	16×φ19+12×φ19	42×φ18	HD12-381

Product Images

Packing & Delivery

Delivery options: By sea, air, or express shipping.

Contact Person: Ms. Ling Bo

Tel: 86-13077353340

Fax: 86-731-85551635

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12-Inch NUMA120 Alloy Steel DTH Hammer Bit for Water Well Drilling with High Wear Resistance

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