September 2019

Exposure
SPONSORED BY
to Dust
EXTRACTION PLAN!
The experts at EJOT UK discuss a new solution to protect
against airborne concrete dust and debris contamination.
The airborne distribution of dust and debris
created from a variety of construction site
activities has become a priority focus for
the UK Government’s Health and Safety Executive
(HSE). For example, the HSE’s CIS69 document
provides guidance on choosing, using and
maintaining on-tool extraction to control
construction site dust. This dust may contain
some very fine dust called respirable crystalline
silica (RCS) and exposure to
RCS dust can be the cause
of varying levels of health
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problems – many serious.
This and other documents
also highlight the legal
responsibilities for
employers to either prevent
or adequately control
‘worker exposure’ to high
levels of dust created by a
variety of tasks that include
cut-off saws, grinders,
breakers and sanders.
Logical then, that SDS
drilling into concrete, brick
and block substrates
presents the same potential
hazards.
What is SDS drilling?
Our German colleagues will
Modularity makes sense
Optional
Vortex Vacuum
say that SDS stands for “Steck-Dreh-Sitz” or
“Plug in-Twist-Take-up device”. Internationally,
the abbreviation means “Special Direct System”,
whilst in the UK “Slotted Drive System” is also
commonly used. Whichever version you favour,
the SDS design utilises these slots to allow the
drill’s hammer action to thrust the drill bit
forward whilst being retained by ball bearings
seated within the slotted indentations. The
bottom line is that a standard SDS Plus drill is an
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4
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DUST-FREE
DRILLING
into dense concrete
brick and block
Standard SDS drilling into concrete, brick
and block substrates
Standard SDS drilling sends dust and debris into
the air while correct installation requires necessary
time to clean the drill hole.
EJOT vortex-SDS drilling virtually eliminates dust
at source, reducing hazards and
saving site time.
!
Dust hazards on site
EJOT® the quality connection
Call 01977 68 70 40 email: info@ejot.co.uk
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essential piece of kit for any professional who is
regularly drilling into dense concrete, brick or
block substrates.
EJOT vortex-SDS: solutions-driven R&D
Significantly, global fastener manufacturer EJOT
acquired the Liebig ‘metal anchoring into
concrete’ brand in 2017. This has naturally
contributed to EJOT’s R & D team in the UK
having a heightened awareness
e,
POWERFUL
DUST
REMOVAL
AT
T SOURCEE
Instant t dust extraction at source
EJOT vortex-SDS drilling components have
specially ly designed carbide tips, specifically
for SDS S extraction systems. Dust is drawn
inside the drill bit and directl
ly to the H-class
vacuum. The drill trigger automatically
powers the vacuum and extraction continues
for a full 10 seconds once re
eleased.
Cleaner er air
, cleaner installation
The four-cutter design creat tes a cleaner,
more precise drill hole, drastically reducing
time spent removing dust for metal anchor
installation. ation. Virtually no dust means less
friction leading to faster drilling.
Job done!
Best practice means safer practice.
Virtua ally dust-free drilling and a more
efficient ent installation process.
www.ejot.co.uk
EJOT has produced this handy infographic that
talks through the process of its vortex-SDS tool.
of the HSE’s focus on airborne
concrete dust contamination.
Working alongside industry
partners, the company has
developed ‘EJOT vortex-SDS’; a
modular drilling system
engineered from high quality
materials, and providing instant
dust-removal drilling, at source.
The modular nature of EJOT
vortex-SDS provides drilling
options from 8 to 20mm
diameter and appropriate depths
up to 440mm, with obvious
replacement and inventory
advantages.
Dust extraction at source
The vented four-cutter design of
each carbide drill tip initiates the
powerful ‘vortex’ dust extraction
force that is created within each
operating component, drawing dust and debris
directly through the system and into the industrial
vacuum cleaner. An integral 16amp socket
connector means that the vortex action is instant
and occurs as soon as the drill is activated and
continues for ten seconds after drilling has
finished.
The removal of dust lessens friction between the
substrate and drill bit, thereby speeding
The vortex-SDS kit comprises:
• 4 x standard carbide tipped drill bits.
• 8mm, 10mm, 12mm and 14mm diameters.
• 70mm, 95mm, 120mm and 145mm
lengths.
• 1 x special drill-to-bit connector.
• 1 x modular extension bar, 220mm length.
• 3 x modular carbide tipped drill bits, 40mm
length.
• Choice of 16mm, 18mm and 20mm
modular diameters.
• Optional extra extension bar offers 20mm
diameter holes at 450mm depth.
• Components available individually on a
replacement basis.
installation and creating a cleaner, more accurate
drill hole. For example, that can drastically reduce
time accrued removing dust from the drill hole
when installing mechanical anchors, virtually
eliminating the need to blow the hole clean of
dust.
EJOT vortex V Industrial Vacuum
The EJOT Vortex-SDS drilling system can be
attached to any H-class industrial vacuum
cleaner. As part of the system offering, EJOT
partnered with international manufacturer Addex
to provide a customised version of the MV-DV20
VAC. The vacuum can be used on a variety of
surfaces and can withstand the toughest of
treatment.
Contact EJOT
01977 687040
www.ejot.co.uk
@EJOTUK_Building
86 TC SEPTEMBER 2019