18" DTH Bits

DTH BITS

Teamwhole manufactures wide range and most efficient down-the-hole (DTH) hammers and bits for the mining blasting, water well especially deep well drilling, foundation construction etc. Our products trust by drilling contractor because of the advantages.

⬅ Go Back

18" DTH BITS

Bit shank: TK18/Numa180
Matched Hammer: TK18
Bit face: Concave, Drop center
Hole Range: 450-600mm

Get A Quote

TEAMWHOLE offers drill bits for all major DTH shank designs, known for precision engineering, top-tier heat-treatment, and high-quality tungsten carbide inserts. 
 
Our advanced production and proprietary heat-treatment ensure consistent, dependable quality in drilling consumables. All our drill bits feature rigorously tested tungsten carbide inserts. 
 
Through customer collaboration and strict production control, we continuously enhance our technologies, dedicated to innovation, quality, durability, and customer service. 

DTH BIT Face design

Flat Face	Concave Face	Convex Face	Drop Center Face
Hard and abrasive rock formation.	Soft to hard formations, ensuring straighter holes.	Soft, medium-hard rock formation.	Soft to hard formations, suitable for large diameter bits.

Carbides Shape Option

Spherical

Parabolic

TEAMWHOLE BITS FOR 18” HAMMER
Bit shank	Diameter		Qty*Button Diameter.mm		Flushing Holes	Weight (kg)
Bit shank	mm	inch	Gauge	Front	Flushing Holes	Weight (kg)
TK18/ Numa180	550	21.6	4220mm+3619mm	4218mm+Side 2414mm	6	560
	600	23.6	2420mm+6020mm	5618mm+Side 2414mm	6	610
	650	25.6	4220mm+4220mm	6718mm+Side 4214mm	6	680
	762	30	5420mm+7819mm	5418mm+Side 4814mm	6	959