Drilling Solutions

DTH Hammer Series

High-pressure DTH hammers covering 68-311 mm holes — matched to your drilling rig and air compressor.

Applications

Mining
Quarrying
Water well drilling

Key features

✓High-pressure design for 68-311 mm holes
✓Working weights 12-304 kg matched to rigs
✓K3/K30C, K5/K50, K8/K80 production sizes
✓Reliable penetration in hard rock

Quick Selection Guide

Use the published hole range, drive arrangement and duty notes to narrow the DTH Hammers range before opening a model page.

RequirementModels to reviewPublished selection basis

90–105 mm holes

K3 / K30C

K3/K30C hammer class (published hole match).

135–165 mm holes

K5 / K50

K5/K50 class for mid production holes.

195–254 mm production holes

K8 / K80

K8/K80 class for large production holes.

Range ends (68 mm / 311 mm)

L2.5 / K10

L2.5 starts the range; K10 covers the largest production drilling.

Not sure which model fits your project? Send your hole diameter, depth, site conditions and compressor requirement — we will confirm the match before quotation.

Full Specification Comparison

Compare all models below. Click any model name to view full specifications and inquiry details.

DTH hammers (K, L and M series) are high-pressure down-the-hole hammers covering hole diameters from 68 mm (L2.5) to 311 mm (K10), with working weights from 12 kg to 304 kg. Each hammer is matched to drilling rigs and high-pressure air compressors, giving reliable penetration in hard rock. Popular production sizes: K3/K30C (90-105 mm), K5/K50 (135-165 mm) and K8/K80 (195-254 mm) for blast-hole and water well programs. At publication, the series covers 16 models — key specifications are listed below.

Model	Machine	Hole range (mm)	Weight (kg)	Length (mm)
K10 →	K10 DTH Hammer	254-311	304	1484
K3 →	K3 DTH Hammer	90-105	25	889
K30C →	K30C High DTH Hammer	90-105	24	831
K4 →	K4 High DTH Hammer	110-130	40	985
K40 →	K40 High DTH Hammer	105-130	31.5	791
K40C →	K40C High DTH Hammer	105-130	34.5	825
K46 →	K46 High DTH Hammer	105-130	34	821
K5 →	K5 DTH Hammer	135-165	67	1107
K50 →	K50 High DTH Hammer	135-165	63	923.5
K6 →	K6 High DTH Hammer	155-190	111	1238
K8 →	K8 DTH Hammer	195-254	192	1355
K80 →	K80 High DTH Hammer	195-254	183.5	1309
L2.5 →	L2.5 High DTH Hammer	68-88	12	763
M3A →	M3A High DTH Hammer	90-110	21	780
M3AK →	M3AK High DTH Hammer	90-110	21	780
SF90 (M30C) →	SF90 (M30C) High DTH Hammer	90-110	20	772

Configuration & customization

Each rig can be configured to your project. Standard and optional packages include:

Matched drill bits
Shank adapters and coupling sleeves

Frequently asked questions

What hole sizes is the DTH Hammer Series matched to?

See the series description and model table for the matched hammer and bit sizes.

How do I match the DTH Hammer Series to my drill string?

Confirm hammer size, bit diameter and thread standard against your rig and compressor before ordering — our team can verify the match for your site.

Can the tools be configured for my project?

Standard combinations cover the published sizes; custom shank adapters and coupling sizes are available on request. Send your drill string details through the inquiry form.

Related series

DTH Drill Bits

Button and DTH drill bits matched to every hammer size for abrasive rock.

View series →

Drilling Accessories

Shank adapters, coupling sleeves and thread opener bits to keep drill strings running.

View series →