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X
Anchor Drill Bits
Drill Bits Selection
Code
Description
EX
Hardened cross bit for loose to medium dense ground conditions
EXX
TC cross bit for soft to medium rock formations
ES
Hardened button bit for unconsolidated rock with boulders
ESS
Button bit with TC inserts for medium rock formations
EC
Hardened arch bit for unconsolidated soil with small boulders
ECC
TC arch bit for soft to medium rock formations
EY
Hardened 3 cutters bit for loose to medium dense ground conditions
EYY
TC 3 cutters bit for soft to medium rock formations
EW
Casting clay bit with optimized geometry for very soft to soft caly
General guide for anchor bits diameters selection (for reference only)
Thread
Bits Diameter (mm)
R25
ø41, ø51
R32
ø51, ø76, ø90
R38
ø76, ø90, ø100, ø110, ø115, ø130
R51
ø76, ø90, ø100, ø110, ø115, ø130, ø150
T30
ø41, ø51, ø76, ø90
T40
ø76, ø90, ø110, ø115
T52
ø76, ø90, ø110, ø115, ø130, ø150
T76
ø130, ø150, ø160, ø180, ø200
Anchor Plates
Anchor Plates Specifications
Rock Bolt Type
Dimensions
Thickness
Hole Diameter
Weight
R25
150*150 mm
8 mm
30 mm
1.4 Kg
R32L
150*150 mm
8 mm
35 mm
1.3 Kg
R32N
200*200 mm
10 mm
35 mm
3.0 Kg
R32S
200*200 mm
12 mm
35 mm
3.7 Kg
R38
200*200 mm
12 mm
41 mm
3.6 Kg
R51L
200*200 mm
20 mm
60 mm
8.8 Kg
R51N
200*250 mm
40 mm
80 mm
18.5 Kg
Rock Bolt Type
Dimensions
Thickness
Hole Diameter
Weight
T30
150*150 mm
25 mm
40 mm
4.2 Kg
T40
200*200 mm
12 mm
56 mm
3.5 Kg
T52
200*200 mm
30 mm
65 mm
8.5 Kg
T76
250*250 mm
40 mm
80 mm
18.0 Kg
Anchor Nuts
Anchor Nuts Specifications
Rock Bolt Type
Key Size
Length
Hardness
Weight
R25
41 mm
35 mm
HRC 25-30
0.25 Kg
R32N
46 mm
45 mm
HRC 25-30
0.35 Kg
R32S
46 mm
65 mm
HRC 25-30
0.55 Kg
R38
50 mm
55 mm
HRC 25-30
0.50 Kg
R51
75 mm
70 mm
HRC 25-30
1.55 Kg
Rock Bolt Type
Key Size
Length
Hardness
Weight
T30
46 mm
35 mm
HRC 25-30
0.36 Kg
T40
65 mm
50 mm
HRC 25-30
0.85 Kg
T52
80 mm
70 mm
HRC 25-30
2.35 Kg
T76
100 mm
80 mm
HRC 25-30
2.70 Kg
Anchor Couplings
Anchor Couplings Specifications
Rock Bolt Type
Diameter
Length
Hardness
Weight
R25
35 mm
120 mm
HRC 25-30
0.45 Kg
R32L
42 mm
145 mm
HRC 25-30
0.75 Kg
R32N
42 mm
160 mm
HRC 25-30
0.80 Kg
R32S
42 mm
190 mm
HRC 25-30
0.95 Kg
R38
52 mm
220 mm
HRC 25-30
1.85 Kg
R51L
63 mm
140 mm
HRC 25-30
1.30 Kg
R51N
63 mm
200 mm
HRC 25-30
1.90 Kg
Rock Bolt Type
Diameter
Length
Hardness
Weight
T30
38 mm
105 mm
HRC 25-30
0.45 Kg
T40
54 mm
140 mm
HRC 25-30
1.20 Kg
T52
70 mm
160 mm
HRC 25-30
2.30 Kg
T76N
95 mm
200 mm
HRC 25-30
4.30 Kg
T76S
97 mm
220 mm
HRC 25-30
5.40 Kg
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