Tricone bits / Casing systems / Foundation drilling
HJG DRILLBLACK DIAMOND · DRILLING TOOLS
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HK18-Y DTH Hammer & Bits
Foundation drilling / HK18-Y

HK18-Y DTH Hammer & Bits

Foundation drilling · matched hammer and bit

A supplier-catalog hammer series for foundation drilling. Select the bit, shank, connection and air supply together. Refer to the original parameter sheet for dimensions and operating limits; confirm the current specification before purchase.

Model / family
HK18-Y
Hammer outside diameter
450 mm
Recommended hole range
480–600 mm

Technical data is listed below. The complete catalog is available when discussing your requirements.

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PRODUCT DATA

Technical specifications

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Extracted from the supplier catalog · PDF page 11

Product specifications
Length, excluding bit1895 mm
Weight, excluding bit1506 kg
Hammer outside diameter450 mm
Compatible bit shankHY18
Recommended hole range480–600 mm
ConnectionAPI 8 5/8" REG
Working air pressure10–20 bar
Impact frequency, reference20.0 Hz @ 17 bar
Recommended rotary speed30–40 rpm
Recommended axial thrust36 kN

Reference air consumption

Reference air consumption
Air pressureAir consumption (m³/min)
14 bar61.12
17.2 bar73.3
20.7 bar88.5
24 bar105.6

The catalog also specifies a hexagonal connector.

Catalog data is for selection reference. Confirm current specifications, connection, air supply and ground conditions with the supplier before ordering.