2025 PRODUCT GUIDE-INTERACTIVE - Flipbook - Page 138
NOMINAL DIAMETER OF MINIMUM DEPTH FOR PILOT HOLES
[A4CSK, A4HH, MSCSK and MSHH Ranges]
VARIABLES AFFECTING NOMINAL DIAMETER AND MINIMUM DEPTH OF PILOT HOLES
VAIRABLE
FACTOR
SYMBOL
UNIT
Nominal diameter of fasteners
dnom
mm
Compressive strength of concrete
[NOTE 1]
substrate
fck.cube
MPa
hnom
mm
Effective embedment depth
NOMINAL DIAMETER
[NOTE 3]
[NOTE 2]
AND MINIMUM DEPTHS
[NOTES 4 & 5]
4.8
6.3
≥ 40.0
< 40.0
≥ 40.0
< 40.0
25.0
35.0
45.0
25.0
35.0
45.0
25.0
35.0
45.0
25.0
35.0
FOR PILOT HOLES FOR EACH VARIABLE
Nominal diameter of pilot hole drill bit – MSCSK & MSHH
hdrill,nom,carbon
mm
4.35
4.35
4.35
4.35
4.35
4.50
5.15
5.15
5.50
5.15
5.15
5.50
Nominal diameter of pilot hole drill bit – A4CSK & A4HH
hdrill,nom,stainless
mm
4.35
4.35
4.50
4.35
4.35
4.50
5.15
5.15
5.50
5.15
5.50
5.50
Minimum depth of drilled hole – MSCSK & MSHH
hdrill,min,carbon
mm
30.0
40.0
50.0
35.0
45.0
55.0
35.0
45.0
55.0
35.0
45.0
55.0
Minimum depth of drilled hole – A4CSK & A4HH
hdrill,min,stainless
mm
35.0
45.0
55.0
35.0
45.0
55.0
35.0
45.0
55.0
35.0
45.0
60.0
NOTES
1. Compressive strength pursuant to BS EN 206-1: 2000
2. Effective embedment depth is the minimum amount of thread engaged in the substrate for a given application
3. Only Evolution
®
PGM
®
approved drill bits are permissible for use due to manufacturing tolerances
4. Installers must ensure adequate perpendicularity of the pilot hole (not more than ± 5° incidence from the normal)
5. Installers must ensure adequate control of the pilot hole depth (hdrill,min ≥ – 1.0mm ≤ + 5.0mm)
NOMINAL DIAMETER OF MINIMUM DEPTH FOR PILOT HOLES
[STCS Range]
FACTOR
SYMBOL
UNIT
Nominal diameter of fasteners
dnom
mm
fck.cube
MPa
Compressive strength of concrete
[NOTE 1]
substrate
NOMINAL DIAMETER
[NOTE 3]
AND MINIMUM DEPTHS
[NOTES 4 & 5]
VAIRABLE
7.5
FOR PILOT HOLES FOR EACH VARIABLE
[NOTE 2]
Effective embedment depth
Nominal diameter of pilot hole drill bit
Minimum depth of drilled hole
hnom
mm
25.0
35.0
45.0
25.0
35.0
45.0
hdrill,nom
mm
6.0
6.0
6.0
6.0
6.0
6.5
hdrill,min
mm
30.0
40.0
50.0
35.0
45.0
55.0
NOTES
1. Compressive strength pursuant to BS EN 206-1: 2000
2. Effective embedment depth is the minimum amount of thread engaged in the substrate for a given application
3. Only Evolution
®
®
PGM approved drill bits are permissible for use due to manufacturing tolerances
4. Installers must ensure adequate perpendicularity of the pilot hole (not more than ± 5° incidence from the normal)
5. Installers must ensure adequate control of the pilot hole depth (hdrill,min ≥ – 1.0mm ≤ + 5.0mm)
138
45.0
