COVID-19 – We continue operative fulfilling our responsibilities with our customers

Transparency

We embrace transparency building trustful relationships with our customers

Quality & Service

We offer the highest quality and superior service to fulfil our customer’s needs and challenges.

Innovation

Making us capable to build the most technological and innovative rock bolt factory in the world

Safety

Make tunnels and underground mines a safer place for workers is one of our day-to-day motivation

Emcor

Underground

EMCOR Underground is a leading mining and tunnelling support family-owned company based in Oviedo, Spain. Since the beginning our mission has been focused on manufacture high quality support products. Today we focus our activity on manufacturing rock bolts, our industry experience leads us to build the most technological and innovative rock bolt factory in the word. We are really proud of it but even more to make tunnels and underground mines efficient and a saferplace for workers.

EMC ROCK BOLT

HIGH QUALITY, QUICK AND EASY INSTALLATION
GUARANTEEING EFFICIENCY AND SAFETY

TECHNICAL PROPERTIES

High quality, quick and easy installation
guaranteeing efficiency and safety

TECHNICAL PROPERTIES
STÁNDAR
MIDI
SUPER
Variable Lenght Up To 6m 6m 6m
Tube Thickness 2mm 2mm 3mm
Original Pipe Diameter 41mm 54mm 54mm
Maximum Pipe Diameter 26 mm 39 mm 39 mm
Recomm Drill Diameter 35-38 mm 45-51 mm 45-51mm
Minimum Breaking Load 120 kN 160kN 240kN
Weight 2 kg/m 2,7 Kg/m 3,9 kg/m
Raw Material Quality S 355-MC S 355-MC S 355-MC
Yield Strenght 100 KN 120 KN 220 KN
Maximum Elogation 10-20% 10-20% 10-20%
Inflation Pressure 300bar 240bar 300bar
Front Bushing Diameter 28mm 38mm 38mm
Diameter of the Inflation Bushing 30mm 41mm 41mm
Recommended Plate 150x150x4 200x200x5 200x200x6

TECHNOLOGY AND INNOVATION

We are proud to build the most technological and innovative rock bolt factory in the worl.

Product Application

We provide expand rock bolts to be used in tunnelling and underground hard rock mining ensuring the success and safeness of extracting and excavation processes.

OPERATIONS

LAST NEWS

Tackling The Covid-19 2736 1824 admin

Tackling The Covid-19

At EMCOR UNDERGROUND we have applied polices and protocols to all of our employees who physically work in our offices and factory in order to…

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Quality Commitment 6000 3376 admin

Quality Commitment

At EMCOR UNDERGROUND the quality is everything. We are committed to exceed your expectations and deliver the highest quality. This only can be done delivering…

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