GME - Jackleg Drills & Pusher Legs Combined Brochure

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ABOUT US Global Mining Equipments is a one-stop
solution for handheld pneumatic tools and
accessories for the underground mining
construction industries. Over the years, our
seasoned employees with decades of experience
have adapted ourselves to be a leading supplier
of rockdrills spares for the growing mining
construction industry. Based on market-leading
design, all our products are made from premium
raw material for high performance reliability
and are machined in a state-of-the-art
manufacturing facility capable of delivering
quality products at the best rates on time. Every
product undergoes a rigorous quality control
before shipment setup to guarantee
performance. Our ?agship G250 line of sinker,
jackleg, stoper drills, paving breakers and
accessories are global customer favoritewhen it
comes to performance price. Apart from the
G250, we o?er a series of industry-leading rock
drills at competitive prices. To o?er the best
service, we also engage in custom manufacturing
for clients around the world which is backed by
our excellent production facility. With an
experienced team and a mature product line, it
will only take you to purchase a single GME
drill to understand our commitment to quality.
Please contact us via Email or Phone to help us
serve you.
Copyright 2019, GME All rights reserved. No
part of this catalogue may be reproduced or
transmitted in any form or by any means,
electronic or mechanical, including
photocopying, recording, or by any information
storage and retrieval system, without written
permission from the publisher. GME reserves all
rights to any changes in the products and the
speci?cations without prior notice.
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91 76040 84406
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Jackleg Drills / Pusherleg Drills
Jackleg Drill G250 The GME G250 drill has always
been the top-choice for miners demanding high
performance, exceptional control, and
long-lasting reliability. It is o?ered in three
di?erent con?gurations sinker, stoper, and
jackleg which allows operators to drill in
con?ned spaces at challenging orientations while
delivering high penetration rate and strong
torque even on low air pressure. The drill
blackhead has operating controls for operating
the pusher leg for maximum safety and comfort.
Bene?ts High penetration rate and strong torque
even at low air pressure Minimum downtime and low
maintenance cost Ergonomic controls integrated
into drill backhead Pusher leg controls with
push button jackleg retraction Motorcycle
control feed Available in various con?gurations
sinker, stoper, and jackleg Market leader in
North South America Parts interchangeable with
Boart Longyear S250 jackleg drill
Speci?cations Metric Imperial
Chuck Size (Part no. 016 0250 00) 22 x 108 mm 7/8 x 4 1/4 in
Weight 33.5 kg 74 lb
Air consumption _at_6 Bar 83 l/s 180 cfm
Piston diameter 79.4 mm 3.125 in
Stroke length 67.7 mm 2.625 in
Air Hose Connection 25 mm 1 in
Water Connection 13 mm 1/2 in
Impact rate 2300 BPM 2300 BPM
Compatible Pusher Legs GP755A GP755A
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Pneumatic Pusher Legs
Pneumatic Pusher LegS GP755A, GP755A-1
GP755A-2 The GP755A pusher leg is specially
designed for the G250 jackleg drill. It has a
balanced weight distribution for easy operator
control. The pusher leg controls are integrated
into the G250 drill backhead with push button
jackleg retraction.These pusher legs are
manufactured with spacecraft grade aluminum
alloy. A large piston diameter helps it to have
a high feed force. Minimum maintenance and
reliability is ensured by its simple and robust
design.
Bene?ts Specially designed for G250 jackleg
drill Pusher leg controls integrated into G250
drill backhead Balanced weight
distribution Piston Rod made with high-grade
alloy steel and hardened tube for longevity even
in rough usage conditions Aluminium Cylinder
made from high grade of air craft grade tube for
high strength and rugged use Available in various
size 51 in, 39 in and 30 in Parts interchangeable
with Boart Longyear A755 pusher leg
Speci?cation Metric Imperial Metric Imperial Metric Imperial
Model No./ Part No. GP755A / 016 0755 00 GP755A / 016 0755 00 GP755A-1/ 016 0755 50 GP755A-1/ 016 0755 50 GP755A-2/ 016 0755 51 GP755A-2/ 016 0755 51
Weight 13.6 kg 30.0 lb 12.0 kg 26 lb 10.9 kg 24 lb
Feeding Length 1295 mm 51in 991 mm 39 in 762 mm 30 in
Retracted Length 1727 mm 68 in 1422 mm 56 in 1194 mm 47 in
Extracted Length 3022 mm 119 in 3413 mm 95 in 1956 mm 77 in
Piston bore 68 mm 2.7in 68 mm 2.7in 68 mm 2.7in
Suitable for rock drill G250 G250 G250 G250 G250 G250
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Stoper Drills
Stoper Drill GT250 The GME GT250 stoper drill has
always been the top-choice for miners demanding
high performance, exceptional control, and
long-lasting reliability. The GT250 stoper drill
allows operators to drill vertically upwards
while delivering high penetration rate and
strong torque even at low air pressure. The
stoper leg has a push button to retract the
stoper leg and an adjustable motorcycle feed. The
stoper has large contact areas between major
cylinder components to reduce impact pressure
and increase product life.
Bene?ts High penetration rate and strong torque
even at low air pressure Minimum downtime and
low maintenance cost Ergonomic stoper leg
controls Pusher leg controls with push button
jackleg retraction Motorcycle control
feed Available in various con?gurations sinker,
stoper, and jackleg Market leader in North
South America Parts interchangeable with Boart
Longyear S250 stoper drill
Speci?cation Metric Imperial Metric Imperial Metric Imperial
Model No./ Part No. GT250 31" (017 0250 00) GT250 31" (017 0250 00) GT250 34" (017 0250 50) GT250 34" (017 0250 50) GT250 24" (017 0250 51) GT250 24" (017 0250 51)
Chuck Size 22x108 mm 7/8 x 4¼ in 22x108 mm 7/8 x 4¼ in 22x108 mm 7/8 x 4¼ in
Weight W/ Leg 46 kg 101 lb 49 kg 108 lb 42 kg 93 lb
Feed Leg Stroke 787 mm 31 in 864 mm 34 in 610 mm 24 in
Length Retracted 1635 mm 64 in 1750 mm 69 in 1495 mm 59 in
Length Extracted 2422 mm 95 in 2614 mm 103 in 2105 mm 83 in
Air consumption_at_ 6 Bar 83 l/s 180 cfm 83 l/s 180 cfm 83 l/s 180 cfm
Piston diameter 79.4 mm 3.125 in 79.4 mm 3.125 in 79.4 mm 3.125 in
Stroke length 67.7 mm 2.625 in 67.7 mm 2.625 in 67.7 mm 2.625 in
Air Hose Connection 25 mm 1 in 25 mm 1 in 25 mm 1 in
Water Connection 13 mm 1/2 in 13 mm 1/2 in 13 mm 1/2 in
Impact rate 2300 BPM 2300 BPM 2300 BPM 2300 BPM 2300 BPM 2300 BPM
Compatible Pusher Legs A1074 A1074 A1074 A1074 A1074 A1074
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Jackleg Drills / Pusherleg Drills
Jackleg Drill G16W The G16W jackleg drill is a
mounted rock drills designed for driving drifts
and tunnels with a small cross section. This
well-proven rock drill is recognized for its high
performance and reliability. It can be easy
handled while collaring due to the location of
the single air inlet, located at the same side as
the main control. The pusher leg control is
located on the jackleg drill backhead. The
jackleg drill can be used for hole diameter range
of 27 41 mm with H22 rotation chuck. It has a
robust ri?e bar rotation with large sliding
surfaces, increasing its durability.
Bene?ts Versatile rock drill suitable for medium
to hard rock High penetration rate supported by
long stroke and robust ri?e bar rotation
mechanism Pusher leg control integrated into
drill backhead Parts interchangeable with Atlas
Copco BBC16W jackleg drill
Speci?cations Metric Imperial
Chuck Size (Part no. 016 0016 00) 22 x 108 mm 7/8 x 4 1/4 in
Weight 28.5 kg 63 lb
Length without Leg 705 mm 28 in
Air consumption _at_ 6 Bar 69 l/s 146 cfm
Piston diameter 70 mm 2.756 in
Stroke length 55 mm 2.165 in
Air Hose Connection 25 mm 1 in
Water Connection 13 mm 1/2 in
Hole Range 27- 41 mm 1.06-1.61 in
Impact rate 2340 BPM 2340 BPM
Compatible Pusher Legs GP51 GP51
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Pneumatic Pusher Legs
Pneumatic Pusher Leg GP51 The GP51 is a versatile
double-action pusher leg made with aluminium
alloys developed for use in spacecrafts. Its
simple yet robust design makes it easy to use and
maintain. The simple design also makes it quick
easy to attach and detach from the jackleg
drill. The feed control is conveniently placed on
the pusher leg. Its double-action mechanism
allows operators to use pneumatic power to both
push out and pull in the jackleg attachment. It
is specially designed for use with the G16W
jackleg drill.
Bene?ts Specially designed for G16W jackleg
drill Simple connection to quickly attach and
detach jackleg drills Double-action mechanism
allows operators to push jackleg drill out and
pull it back in Easy to reach feed control
placed conveniently on the pusher leg Parts
interchangeable with Atlas Copco BMT51 pusher leg
Speci?cations Metric Imperial
Ordering Part no. 016 0051 00 016 0051 00
Weight 15 kg 33 lb
Feeding Length 1300 mm 51in
Retracted Length 1658 mm 65.28 in
Extracted Length 2958 mm 116.5 in
Piston Bore 60 mm 2.36 in
Suitable for rock drill G16W G16W
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Jackleg Drills / Pusherleg Drills
Jackleg Drill G94W The G94W jackleg drill is an
all-rounder with short stroke and high impact
rate which makes it especially e?ective in soft
rock applications.The G94W jackleg drill is
mainly used to drive drifts and tunnels with
small cross sections and a hole diameter range
of 27-41 mm.
Bene?ts With a short stroke and high impact
rate, it o?ers high yield in soft rock
applications Versatile jackleg design makes it
suitable for driving drifts and tunnels with
small cross sections Parts interchangeable with
Atlas Copco BBD94W jackleg drill
Speci?cations Metric Imperial
Chuck Size (Part no. 016 0094 00 22mm x108 mm 7/8 x 4 1/4 in
Weight 28 kg 62 lb
Length without Leg 670 mm 26.4 in
Air consumption_at_6 Bar 97 l/s 206 cfm
Piston diameter 90 mm 3.543 in
Stroke length 45 mm 1.771 in
Air Hose Connection 25 mm 1 in
Hole Range 27-41 mm 1.06-1.61 in
Impact rate 3300 BPM 3300 BPM
Compatible Pusher Legs GP72D,GP72D1 GP72D,GP72D1

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Pneumatic Pusher Legs
Pneumatic Pusher Legs GP72D GP72D-1 The GP72D
pusher leg is lightweight and durable, made from
aluminum alloys developed for spacecrafts.
Designed specially for G94W jackleg drill, the
GP72D pusher leg comes in two variants, GP72D
(1300mm feed length) and GP72D-1 (1200mm feed
length). Its double-action mechanism allows
operators to push the jackleg drill out and pull
it back in. The simple and robust design ensures
a quick connection to minimize operation time and
maintenance costs.
Bene?ts Specially designed for G94W jackleg
drill Simple connection to quickly attach and
detach jackleg drills Double-action mechanism
allows operators to push jackleg drill out and
pull it back in Easy to reach feed control placed
conveniently on the pusher leg Parts
interchangeable with Atlas Copco ALF72D
ALF72D-1 pusher leg
Speci?cations Metric Imperial Metric Imperial
Model No. / Part No. GP72D / 016 0072 00 GP72D / 016 0072 00 GP72D-1 / 016 0072 50 GP72D-1 / 016 0072 50
Weight 19 kg 41.9 lb 16 kg 35.3 lb
Feeding Length 1300 mm 51in 1200 mm 47 in
Retracted Length 1970 mm 77.56 in 1830 mm 72.04 in
Extracted Length 3270 mm 128.74 in 3030 mm 119.29 in
Piston bore 70 mm 2.76 in 70 mm 2.76 in
Suitable for rock drill G94W G94W Suitable for rock drill G94W G94W Suitable for rock drill G94W G94W Suitable for rock drill G94W G94W Suitable for rock drill G94W G94W
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Jackleg Drills / Pusherleg Drills
Jackleg Drill G656W The G656W jackleg drill is
specially designated for small cross-sectional
drilling. This water-?ushed jackleg drill is a
spot-on match for driving drifts and tunnels. The
pusher leg controls are placed on the drill
backhead. It can also be used as a sinker drill
due to its low weight and T-handle. This drill
can be used on soft rocks up to medium hard
rocks. The G656W jackleg drill o?ers high
penetration, robust ri?e-bar rotation mechanism,
and low air consumption. It has a robust
kick-latch retainer for fast and convenient tool
change.
Bene?ts Water-?ushed jackleg drill Pusher leg
control placed on drill backhead Can be used as a
sinker drill due to low weight and T-handles
Suitable for soft to medium rock High penetration
rate and low air consumption Robust ri?e-bar
rotation mechanism Robust kick-latch retainer for
fast and convenient tool change Parts
interchangeable with Atlas Copco RH656W jackleg
drill
Speci?cations Metric Imperial
Chuck Size (Part no. 016 0656 00) 22 x 108 mm 7/8 x 4 1/4 in
Chuck Size (Part no. 016 0656 50) 25 x 108 mm 1 x 4¼ in
Weight 22 kg 48.4 lb
Length without Leg 658 mm 25 7/8 in
Air consumption_at_6 Bar 48 l/s 102 cfm
Piston diameter 65 mm 2.559 in
Stroke length 59 mm 2.322 in
Air Hose Connection 25 mm 1 in
Water Connection 13 mm 1/2 in
Hole Range 27-41 mm 1.06-1.61 in
Impact rate 2040 BPM 2040 BPM
Compatible Pusher Legs GP62K GP62K
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Pneumatic Pusher Legs
Pneumatic Pusher Leg GP62K The GP62K pusher leg
is a simple yet robust pusher leg designed
specially for the G656W jackleg drill. Made with
aluminum alloys ?rst developed for use in
aircrafts, the GP62K pusher leg has a large
piston diameter to reduce pressure on contacting
parts and increase pusher leg life. The feed
controls are placed conveniently on the pusher
leg for operator comfort.
Bene?ts Specially designed for G656W jackleg
drill Proven robust design with large piston
diameter Simple connection saves times and
e?ort Parts interchangeable with Atlas Copco
BMK62S pusher leg
Speci?cations Metric Imperial
Ordering Part no. 016 0062 00 016 0062 00
Weight 17 kg 37.4 lb
Feeding length 1300 mm 51 in
Retracted Length 1815 mm 71.46 in
Extracted Length 3115 mm 122.64 in
Piston bore 53 mm 2.1 in
Suitable for rock drill G656W G656W
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Jackleg Drills / Pusherleg Drills
Jackleg Drill G83F The G83F jackleg drill is the
most popular jackleg drill in all of Mexico and
USA. It's a favorite amongst both managers and
operators due to extremely low maintenance costs,
easy operation, high penetration rate, and robust
construction. The water-?ushed G83F jackleg
drill is versatile with a variety of applications
and can also be used as a sinker drill. It is
o?ered with a 7/8 or 1 chuck with a variety of
feed legs to adapt the drill according to your
needs.
Bene?ts Most popular choice in Mexico
USA Favorite amongst both managers and operators
in all mining conditions High penetration rate,
low maintenance costs, robust construction, easy
operation Can be used as a sinker
drill Water-?ushing available Great return on
investment Parts interchangeable with Mid Western
S83F jackleg drill
Speci?cations Metric Imperial
Chuck Size (Part no. 016 0083 00) 22x108 mm 7/8 x 4 1/4 in
Weight 32.4 kg 72 lb
Length without Leg 688 mm 27 1/4 in
Air consumption _at_ 6 Bar 86.36 l/s 183 cfm
Piston diameter 76 mm 3 in
Stroke length 64 mm 2.5 in
Air Hose Connection 25 mm 1 in
Water Connection 13 mm 1/2 in
Impact rate 2256 BPM 2256 BPM
Compatible Pusher Legs TUL 2B, FL7 TUL 2B, FL7
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Lubricators Lubricator GL50 Bene?ts Screw-type
?ow regulator to adjust lubricant ?ow rate
depending on user requirements Volume of 0.7
litres (1.5 pints) Unibody casting for robustness
and reliability Prolongs drill life by providing
essential inline lubrication Interchangeable
with JOY football style lubricator
Speci?cations Metric Imperial
Ordering Part no. GL50 51 0710 00 51 0710 00
Weight Empty 3.5 kg 8 lb
Weight Full 5.22 kg 11.5 lb
Capacity 700 ml 11/2 Pints
Length 200mm 8 in
Air consumption 48l/s 102 cfm
Piston Diameter 15mm 4 1/2 in
Safety Fill Cap Diameter 48 mm 1 7/8 in
Working Pressure 17 kg/cm3 250 psi
Lubricator GL30 Bene?ts Provides inline
lubrication and increases drill life Precise oil
regulator Versatile design for a variety of
applications Interchangeable with Atlas Copco
BLG30 lubricator
Speci?cations Metric Imperial
Ordering Part no. 51 1300 00 51 1300 00
Weight Empty 3 kg 6.6 lb
Oil Volume 1.3 ltr. 43 ?. oz.
Max working Pressure 17 bar 250 psi
Air Flow Range 25-134 l/s 53-284 cfm
Hose Connection 25 mm 1 in
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Global Mining Equipments 91 76040 84406
marketing_at_gmedrills.com www.gmedrills.com
West Bengal, India Issue No 1, Issue date 30th
June 2020, Rev No 2, Rev Date 06/03/2021
Copyright 2019, GME. Global Mining Equipments,
Any unauthorized use or copying of the contents
or any part thereof is prohibited. Speci?cations
and equipment are subject to change without
notice.