Forged Carburized Steel High Performance DTH Drill Bits for Well Drilling and Coal Mining

Price Negotiable

Price: $60

MOQ: 1

Delivery Time: Negotiable

Brand: SOLLROC

Product Description

IR DHD3.5 90mm Drill Bits Forged DTH Drilling Tool for Well Drilling

Product Features

Button bit features high wear resistance for medium-hard to hard abrasive rock formations (200-260 MPa compressive strength)
Spherical tungsten carbide inserts provide strong configuration against carbide fracture
Recommended for eliminating 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 widely used in:

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

Advantages include high flatness, smooth hole walls, rigid drill rods and hammers, independent high axial thrust, unlimited drilling depth, low device cost, and easy maintenance.

Product Specifications

3 inch Drill bits, QL30, DHD3.5, COP32, BR3 DTH bit

3" Shank Bits	Bit Dia (mm)	Bit Dia (inch)	Air Hose	Gauge Buttons	Front Buttons	Part No
QL30	85	3 11/32"	2	6×φ13	4×φ12	QL30-85
	90	3 1/2"	2	6×φ14	4×φ12	QL30-90
	95	3 3/4"	2	6×φ14	4×φ13	QL30-95
	100	3 7/8"	2	8×φ12	6×φ12	QL30-100
	105	4 1/8"	2	8×φ13	6×φ12	QL30-105