Product Details

DTH Bits for 5" Hammer

Features and Advantages:

We take pride in being the only manufacturers in China that has a diverse line of DTH bits that range from 3"-47"(76mm~1200mm) in diameter with most the leading hammer shanks.

Made from high quality alloy steel and advanced heat-treatment, our bits are ensured extreme protection against wear and fatigue. They're also available in four different bit-head designs - Convex, Flat, Concave and Drop center face, and four different inserts-Spherical,Ballistic,Semi-ballistic,Two-Step to tackle any challenge and rock formations.

Type	Application
Flat Face	Very hard and abrasive rock formation.
Concave Face	All kinds of rock formation, especially for medium-hard and homogeneous formation.
Convex Face	Soft to medium-hard
Drop Center Bit	Soft to medium-hard and fissured rock formation

Carbide Button Shape Selection:

Spherical Semi-ballistic ballistic Conical button

Examples for TH5 bit (Flat,Spherical)

Other designs of faces and inserts are available:

Bit Dia.(mm)	Qty.× Button Dia.(mm)		Qty.Air Holes	Weight (kg)
	Outer	Front
135	7×18	7×14	2	15.2
138	7×18	7×14	2	15.5
140	8×16	9×14	2	15.5
146	8×18	8×14	2	15.7
150	8×16	9×14	2	15.8
156	8×18	8×14	2	16.4
160	8×16	8×16	2	17.1
165	8×16	9×14	2	17.7
178	9×18	10×16	2	20.7
*192	10×16	12×16	2	24
*200	10×18	6×18+7×16	2	25
*203	10×18	6×18+7×16	2	25
*210	10×16	13×16	2	27
*220	8×18	13×16	2	30