Weldgrip fully threaded
bar is made from 700N/mm² material and features hot-rolled
continuous right-handed threads with spherical collar nuts and optional
shear pin.
Thread allows nut to be easily screwed along
length of bolt.
Thread design provides clearances to stop Fouling.
Almost unlimited length adjustment.
Couplers are available.
Specifications:
Overall Rod Diameter
25mm
Ultimate Tensile Strength
700N/mm²
Yield Strength
450N/mm²
Elongation at fracture (min)
20%
Load at fracture
320kN
Load at yield strength
220kN
Corrosion protection
Galvanising optional
Thread from
Right hand
'AT' Rockbolts
An advanced Technology slim profile design providing:-
High shear and tensile strength.
Optimum bond strength.
Ease of installation.
Specifications:
Ultimate Tensile Strength
310kN
Yield Strength
250kN
Ultimate shear strength
254kN
Elongation (min)
20%
Core Diameter
21.7mm
Recommended hole/bit size
27mm
Bolts are fitted with shear pin, anti-friction
washer and alignment seat. Steel and Galvanised Steel End Plates
are available for use with this product.
Steel End Plates
Size mm
Weight Kg
Part Number
150 x 150 x 8
1.4
63STL150X8
150 x 150 x 10
1.7
63STL150X10
200 x 200 x 8
2.5
63STL200X8
200 x 200 x 10
3.1
63STL200X10
200 x 200 x 12
3.7
63STL200X12
300 x 300 x 8
5.6
63STL300X8
300 x 300 x 10
7.0
63STL300X10
300 x 300 x 12
8.4
63STL300X12
Other sizes made to customer requirements.
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Weldgrip are also proud to have attained BBA accreditation and ISO
9001 standards in recognition of our continuing excellence in Geotechncial
products and services.
