Name: NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
Brand: KSQ Technologies (Beijing) Co. Ltd
SKU: NUMA100
Price: 508.50 USD
Availability: InStock

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NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

Product Details:

Place of Origin:	CHINA
Brand Name:	MIROC
Certification:	ISO
Model Number:	NUMA100

Payment & Shipping Terms:

Minimum Order Quantity:	1
Delivery Time:	20-30
Supply Ability:	3000

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Detailed Product Description

Model NO.:	Numa100-305	Type:	Drill Bit
Material:	Carbon Steel	Usage:	Well Drilling, Ore Mining
Model Number:	Cop, DHD, Mission, Ql, SD, CIR, BR	Face Design:	Flat Face, Convex Face, Concave Face
Highlight:	Large Size DTH Hammer Bit , Excellent Straightness Down-The-Hole Drill Bit , Carbide Inserts NUMA100 Bit

NUMA100 Large Size Excellent Straightness DTH Hammer Bit

The NUMA100 is a large-diameter Down-The-Hole (DTH) drill bit designed for mining borehole drilling applications. Engineered to fit the NUMA Challenger 100 DTH Hammer, this heavy-duty rock drilling tool delivers high penetration rates across various geological conditions.

Product Specifications

Type: DTH Button Bit (Down-The-Hole)
Diameter Range: 9-7/8" to 15" (250mm to 380mm)
Compatibility: NUMA 100 series hammers, interchangeable with Atlas Copco, Ingersoll-Rand, and Mission
Design: Carbide button inserts with various face configurations (flat, concave, convex) for optimal rock cutting

Technical Specifications Table

Head Shape	Head Diameter (mm)	Shank Length (mm)	Spline	Port Holes	Button Qty (pcs x dia mm)	Button Type	Gauge Buttons	Front Buttons	Weight (kg)
concave face	254	375	10	2	12×019	Domed	8×018	19×016	89
concave face	275	375	10	2	12×019	Domed	8×018	20×016	93.5
concave face	305	375	10	3	15×019	Domed	27×018	8×016	103.5
concave face	325	375	10	3	15×019	Domed	27×018	9×016	112
concave face	350	375	10	4	16×019	Domed	32×018	14×016	121
concave face	400	375	10	4	16×019	Domed	40×018	25×016	146.5

Competitive Advantages

Compatibility matching over 95% against original equipment manufacturer specifications
Competitive pricing compared to major brands while maintaining superior quality standards
Enhanced performance and durability for demanding mining and construction applications

The NUMA100 DTH Hammer Bit represents the ideal cutting solution for creating large-diameter holes in challenging geological formations, combining precision engineering with robust construction for maximum drilling efficiency.

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Contact Person: Mr. Yingkai Zhang

Tel: +86 18501231988

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NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

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